| UOP LLC Patent applications |
| Patent application number | Title | Published |
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| 20120136188 | ALKYLATION UNIT AND METHOD OF MODIFYING - One exemplary embodiment can be a method of modifying an alkylation unit to increase capacity. The method may include combining a first alkylation zone with a second alkylation zone. Generally, the first alkylation zone includes a first settler having a height and a width. Typically, the width is greater than the height. In addition, the second alkylation zone may have a second settler having a height and a width. Usually, the height is greater than the width. | 05-31-2012 |
| 20120136187 | UNIT, SYSTEM AND PROCESS FOR CATALYTIC CRACKING - One exemplary embodiment can be a fluid catalytic cracking unit. The fluid catalytic cracking unit can include a first riser, a second riser, and a disengagement zone. The first riser can be adapted to receive a first feed terminating at a first reaction vessel having a first volume. The second riser may be adapted to receive a second feed terminating at a second reaction vessel having a second volume. Generally, the first volume is greater than the second volume. What is more, the disengagement zone can be for receiving a first mixture including at least one catalyst and one or more products from the first reaction vessel, and a second mixture including at least one catalyst and one or more products from the second reaction vessel. Typically, the first mixture is isolated from the second mixture. | 05-31-2012 |
| 20120130142 | AUTOMATICALLY MEASURING COLOR CHANGES IN A STREAM - One exemplary embodiment can be an extraction process. The extraction process can include extracting with a solvent degradable due to contact with oxygen, and automatically measuring the solvent to detect changes in the solvent color due to degradation. | 05-24-2012 |
| 20120125012 | PROCESSES AND SYSTEMS FOR DISCHARGING AMINE BYPRODUCTS FORMED IN AN AMINE-BASED SOLVENT - Embodiments of a process for discharging amine byproducts formed in an amine-based solvent are provided. The process comprises the steps of contacting the amine-based solvent with flue gas comprising carbon dioxide, oxygen, nitrogen, NO | 05-24-2012 |
| 20120123178 | UZM-35HS ALUMINOSILICATE ZEOLITE, METHOD OF PREPARATION AND PROCESSES USING UZM-35HS - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 05-17-2012 |
| 20120116134 | METHODS FOR CO-PROCESSING BIORENEWABLE FEEDSTOCK AND PETROLEUM DISTILLATE FEEDSTOCK - Methods for co-processing a biorenewable feedstock and a petroleum distillate feedstock are provided. The petroleum distillate feedstock containing sulfur is reacted with hydrogen gas in the presence of a hydrotreating catalyst thereby forming an effluent mixture comprising hydrogen sulfide. A combined feed comprising the effluent mixture, optionally a recycle liquid, and the biorenewable feedstock is contacted with hydrogen gas in a reaction zone with a deoxygenation catalyst under reaction conditions to provide a reaction product comprising a hydrocarbon fraction. The combined feed comprises greater than 50 weight percent biorenewable feedstock. | 05-10-2012 |
| 20120108877 | PROPANE DEHYDROGENATION PROCESS UTILIZING FLUIDIZED CATALYST SYSTEM - A process for the production of propylene from a propane rich hydrocarbon source is presented. The process converts a propane rich stream and uses less equipment and energy for the separation and production of propylene. The process uses a non-noble metal catalyst and utilizes a continuous reactor-regeneration system to keep the process on line for longer periods between maintenance. | 05-03-2012 |
| 20120108872 | HEAVY ALKYLBENZENE TRANSALKYLATION OPERATING COST REDUCTION - A process for increasing the production of monoalkylbenzenes is presented. The process includes utilizing a transalkylation process to convert dialkylbenzenes to monoalkylbenzenes. The transalkylation process recycles a portion of the effluent stream from the transalkylation reactor back to the feed of the transalkylation reactor. The recycled dialkylbenzenes and a portion of the recycled benzene are converted to monoalkylbenzenes. | 05-03-2012 |
| 20120108865 | WATER GAS SHIFT FOR ACETYLENE CONVERTER FEED CO CONTROL - A process and apparatus are presented for the removal of carbon monoxide from ethylene streams. The removal of carbon monoxide before selective hydrogenation protects the catalyst in the selective hydrogenation reactor. Carbon monoxide levels are controlled with the water gas shift process to convert the carbon monoxide to carbon dioxide, with the carbon dioxide removed in an acid gas removal process. | 05-03-2012 |
| 20120107182 | WATER GAS SHIFT FOR ACETYLENE CONVERTER FEED CO CONTROL - A process and apparatus are presented for the removal of carbon monoxide from ethylene streams. The removal of carbon monoxide before selective hydrogenation protects the catalyst in the selective hydrogenation reactor. Carbon monoxide levels are controlled with the water gas shift process to convert the carbon monoxide to carbon dioxide, with the carbon dioxide removed in an acid gas removal process. | 05-03-2012 |
| 20120104322 | PROCESSES AND SYSTEMS FOR PRODUCING SYNGAS FROM METHANE - Embodiments of a process for producing syngas comprising hydrogen and carbon monoxide from a gas stream comprising methane are provided. The process comprises the step of contacting the gas stream with a two-component catalyst system comprising an apatite component and a perovskite component at reaction conditions effective to convert the methane to the syngas. | 05-03-2012 |
| 20120103194 | SIMPLIFIED PROCESS TO REMOVE DISSOLVED OXYGEN FROM HYDROCARBON STREAMS - A process is presented for the removal of dissolved oxygen from hydrocarbon streams. The hydrocarbons streams include kerosene and jet fuels. The process includes mixing the hydrocarbons streams with an oxygen free gas to form a gas-liquid mixture. The mixture is allowed to disengage into a gas stream and a liquid stream, thereby removing dissolved oxygen from the hydrocarbon stream. | 05-03-2012 |
| 20120103013 | VAPOR AND LIQUID FLOW CONTROL IN A DIVIDING WALL FRACTIONAL DISTILLATION COLUMN - Dividing wall fractional distillation columns and methods of operating these columns with greater flexibility, especially in terms of the ability to adjust the composition of the heartcut, intermediate or sidecut product fraction, are described. In particular, this composition may be advantageously “biased” toward higher or lower molecular weight components, depending on operating needs. Changes in feedstock composition may also be managed more effectively. These benefits are obtained by varying the flow rate of vapor and liquid to each side of the dividing wall. The vapor flowrate rising from an undivided portion of the column interior below the dividing wall is varied to the feed and/or product sections on opposite sides of the dividing wall. Also, the liquid flowrate falling from an undivided portion of the column interior above the dividing wall is varied to the feed and/or product sections on opposite sides of the dividing wall. | 05-03-2012 |
| 20120100066 | PROCESSES FOR MAKING NANO ZEOLITES AND FOR RECOVERY OF NANO ZEOLITES FROM AN AQUEOUS SUSPENSION - Embodiments of a process for recovery of nano zeolites from an aqueous suspension are provided. The process comprises the steps of applying centrifugal force to the aqueous suspension to separate a supernatant phase from a solid phase that comprises the nano zeolites and residuals. The solid phase is contacted with a solution effective to dissolve or digest the residuals and to agglomerate the nano zeolites forming agglomerated nano zeolites. The solution is filtered to recover the agglomerated nano zeolites. | 04-26-2012 |
| 20120093715 | MONOLITHIC ZEOLITE STRUCTURES WITH AND WITHOUT HIERARCHICAL PORE STRUCTURES AND METHODS FOR PRODUCING THE SAME - Monolithic zeolite structures with hierarchical pore structures and methods for producing monolithic zeolite structures without the use of a solid template are provided. A silica source, an alumina source, and a cation base are mixed to form a reaction mixture. The reaction mixture is aged under conditions sufficient to produce a precursor zeolite gel by hydrolysis. The precursor zeolite gel is heated at a temperature and for a period of time sufficient to crystallize and agglomerate the precursor zeolite gel into the monolithic zeolite structure. The addition of polymer to the reaction mixture provides the monolithic zeolite structure with a hierarchical pore structure. | 04-19-2012 |
| 20120093699 | TURNDOWN THERMOCOMPRESSOR DESIGN FOR CONTINUOUS CATALYST RECOVERY - Systems and processes for regenerating catalyst are provided herein that include a catalyst regeneration tower having a cooling zone that receives a catalyst cooling stream generated by a cooling gas loop. The systems and processes include a first thermocompressor that utilizes a first motive vapor and a second thermocompressor that utilizes a second motive vapor in order to provide the catalyst cooling stream to the regeneration tower. The second thermocompressor operates in parallel with the first thermocompressor. The first thermocompressor can utilize combustion air as the motive vapor. The second thermocompressor can utilize nitrogen as the motive vapor. | 04-19-2012 |
| 20120090731 | SEPARATION SYSTEM AND METHOD - One exemplary embodiment can be a separation system. The separation system can include an adsorption zone, a rotary valve, a transition zone, and one or more pipes. Usually, the transition zone includes one or more lines communicating the rotary valve with the adsorption zone. The rotary valve alternatively may distribute an input of a feed or a desorbent to the adsorption zone or alternatively can receive an output of a raffinate or an extract from the adsorption zone in a line, and a remnant may remain in the line from a previous input or output. One or more pipes outside the transition zone communicating with the rotary valve can form at least one pipe volume receiving an input for dislodging a remnant or for receiving a remnant from the line. The remnant may be different from the input or output. | 04-19-2012 |
| 20120090223 | METHODS FOR PRODUCING DIESEL RANGE MATERIALS HAVING IMPROVED COLD FLOW PROPERTIES - Embodiments of a method for producing a diesel range material having improved cold flow properties are provided. In one embodiment, the method includes the steps of providing a waxy diesel range feedstock, producing an intermediary product stream containing a predetermined amount of oxygenated organocompounds from the waxy diesel range feedstock, and contacting the intermediary product stream with a dewaxing catalyst under process conditions at which the oxygenated organocompounds chemically interact with the dewaxing catalyst to convert a portion of the n-paraffins within the intermediary product stream to iso-paraffins while minimizing cracking of the diesel range material. | 04-19-2012 |
| 20120088937 | METHOD FOR PRODUCING CUMENE - One exemplary embodiment can be a method for processing polyisopropylbenzene for producing cumene. The method can include passing a transalkylation feed stream to a transalkylation zone, and passing a reaction product to a separation zone. Typically, the separation zone produces a stream including di-isopropylbenzene, tri-isopropylbenzene, and one or more heavy compounds. Moreover, the stream may include at least about 0.7%, by weight, of the one or more heavy compounds based on the weight of the di-isopropylbenzene, tri-isopropylbenzene, and the one or more heavy compounds in the stream, and at least a portion of the stream is recycled to the transalkylation zone. | 04-12-2012 |
| 20120088702 | PROCESS FOR IMPROVING A RE-REFINED LUBE OIL STREAM - Embodiments of a process for improving a re-refined lube oil stream are provided. The process comprises the steps of introducing a gas stream comprising hydrogen (H | 04-12-2012 |
| 20120088198 | FLUID CATALYTIC CRACKING SYSTEM AND PROCESS - One exemplary embodiment can be a fluid catalytic cracking system. The system can include a reaction zone, in turn including a reactor receiving, a fluidizing stream, a fuel gas stream, a fluidizable catalyst, a stream having an effective amount of oxygen for combusting the fuel gas stream, and a feed. | 04-12-2012 |
| 20120085697 | CAST-ON-TRICOT ASYMMETRIC AND COMPOSITE SEPARATION MEMBRANES - The present invention the manufacture of a membrane for gas and liquid separations in which a polymer layer is applied directly to a tricot fabric instead of the conventional cloth or glass or metal substrate. | 04-12-2012 |
| 20120085682 | PROCESS AND SYSTEM FOR HEATING OR COOLING STREAMS FOR A DIVIDED DISTILLATION COLUMN - One exemplary embodiment can be a system for separating a plurality of naphtha components. The system can include a column, an overhead condenser, and a side condenser. Generally, the column includes a dividing imperforate wall with one surface facing a feed and another surface facing at least one side stream. Typically, the wall extends a significant portion of the column height to divide the portion into at least two substantially vertical, parallel contacting sections. Typically, the overhead condenser receives an overhead stream including a light naphtha from the column. Usually, a side condenser receives a process stream from the column and returns the stream to the column to facilitate separation. A cooling stream may pass through the overhead condenser and then the side condenser. | 04-12-2012 |
| 20120085680 | PROCESS FOR DETERMINING PRESENCE OF MESOPHASE IN SLURRY HYDROCRACKING - A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and alumina to form a heavy hydrocarbon slurry and hydrocracked to produce lighter hydrocarbons. The slurry hydrocracking reaction can be controlled by measuring the production of mesophase using X-ray diffraction. Upon a mesophase yield fraction reaching a predetermined level, reaction conditions should be moderated to avoid excessive coke production. | 04-12-2012 |
| 20120085238 | STAGED MEMBRANE SYSTEM FOR GAS, VAPOR, AND LIQUID SEPARATIONS - The present invention involves the use of a multi-stage membrane system for gas, vapor, and liquid separations. In this multi-stage membrane system, high selectivity and high permeance or at least high selectivity polybenzoxazole membranes or cross-linked polybenzoxazole membranes are applied for a pre-membrane or both the pre-membrane and the secondary membrane. A primary membrane can be from conventional glassy polymers. This multi-stage membrane system can reduce inter-stage compression cost, increase product recovery and product purity for gas, vapor, and liquid separations. It can also save the cost compared to the system using all the high cost polybenzoxazole membranes or cross-linked polybenzoxazole membranes. | 04-12-2012 |
| 20120085233 | BLEND POLYMER MEMBRANES COMPRISING THERMALLY REARRANGED POLYMERS DERIVED FROM AROMATIC POLYIMIDES CONTAINING ORTHO-POSITIONED FUNCTIONAL GROUPS - The present invention discloses blend polymer membranes comprising thermally rearranged polymers derived from aromatic polyimides containing ortho-positioned functional groups and methods for making and using these blend polymer membranes. The blend polymer membranes described in the current invention are prepared by heat treatment of blend polymer membranes comprising aromatic polyimides containing ortho-positioned functional groups such as —OH or —SH groups. In some instances, an additional crosslinking step is performed to improve the selectivity of the membrane. These blend polymer membranes have improved flexibility, reduced cost, improved processability, and enhanced selectivity and/or permeability compared to the comparable polymer membranes that comprise a single polymer. | 04-12-2012 |
| 20120083639 | PROCESSES FOR MAXIMIZING HIGH-VALUE AROMATICS PRODUCTION UTILIZING STABILIZED CRUDE BENZENE WITHDRAWAL - Processes for maximizing high-value aromatics production utilizing stabilized crude benzene withdrawal are provided. Aromatic reactor effluent comprising a C | 04-05-2012 |
| 20120083638 | PROCESSES FOR TRANSALKYLATING AROMATIC HYDROCARBONS AND CONVERTING OLEFINS - A process for aromatic transalkylation and olefin reduction of a feed stream is disclosed. Transalkylation conditions produce xylenes and reduced olefins in the feed. The process may be used in a xylene production facility to minimize or avoid the necessity of feedstock pretreatment such as hydrotreating, hydrogenation, or treating with clay and/or molecular sieves. | 04-05-2012 |
| 20120083636 | Processes for Transalkylating Aromatic Hydrocarbons - A process for transalkylating aromatic hydrocarbon compounds, the process comprising introducing an aromatic hydrocarbon feed stream and a sulfur source to a transalkylation zone. The feed stream contacts a catalyst in the transalkylation zone in the presence of sulfur, and produces a reaction product stream comprising benzene and xylene. The invention includes methods to control the transalkylation process. | 04-05-2012 |
| 20120083635 | Processes for Transalkylating Aromatic Hydrocarbons - A process for transalkylating aromatic hydrocarbon compounds, the process comprising introducing an aromatic hydrocarbon feed stream and a water source to a transalkylation zone. The feed stream contacts a catalyst in the transalkylation zone in the presence of water, and produces a reaction product stream comprising benzene and xylene. The invention includes methods to control the transalkylation process. | 04-05-2012 |
| 20120083634 | Adsorbent Regeneration in Light Olefin Recovery Process - A process is presented for the regeneration of adsorbent beds in the light olefin recovery process. The process uses gas generated in the methanol to olefins process to regenerate adsorbent beds. The gas removes the need for external gases, and the gas can be used in the periodic purging of the methanol to olefins reactor. | 04-05-2012 |
| 20120083404 | PROCESS FOR REGENERATING CATALYST - Disclosed is a catalyst distributor and process for mixing spent catalyst and recycled regenerated catalyst in a regenerator vessel. Mixing is conducted in a confined space to which catalyst is delivered from catalyst conduits protruding through the wall of the regenerator. | 04-05-2012 |
| 20120082595 | PARAMETERS FOR A LOUVERED CENTERPIPE IN A RADIAL FLOW REACTOR - An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions. The apertures are covered by louvers that extend above the edges of the apertures to prevent solid particles from spilling through inlet apertures. | 04-05-2012 |
| 20120082591 | APPARATUS FOR REGENERATING CATALYST - Disclosed is a catalyst distributor and process for mixing spent catalyst and recycled regenerated catalyst in a regenerator vessel. Mixing is conducted in a confined space to which catalyst is delivered from catalyst conduits protruding through the wall of the regenerator. | 04-05-2012 |
| 20120080356 | TWO-STAGE HYDROPROCESSING WITH COMMON FRACTIONATION - Two-stage hydroprocessing uses a common dividing wall fractionator. Hydroprocessed effluents from both stages of hydroprocessing are fed to opposite sides of the dividing wall. | 04-05-2012 |
| 20120080355 | TWO-STAGE HYDROTREATING PROCESS - A process is provided to produce an ultra low sulfur diesel using a two stage hydrotreating reaction zone. The first stage hydrotreater may operate with a continuous liquid phase. | 04-05-2012 |
| 20120080288 | TWO-STAGE HYDROPROCESSING APPARATUS WITH COMMON FRACTIONATION - Two-stage hydroprocessing uses a common dividing wall fractionator. Hydroprocessed effluents from both stages of hydroprocessing are fed to opposite sides of the dividing wall. | 04-05-2012 |
| 20120074038 | LIQUID PHASE HYDROPROCESSING WITH LOW PRESSURE DROP - A process for hydroprocessing a hydrocarbonaceous feedstock in a continuous liquid phase utilizes a hydroprocessing catalyst comprising pills that have a largest dimension that averages no more than 1.27 mm ( 1/20 inch) and more than 100 nm to produce a hydrocarbonaceous product stream. | 03-29-2012 |
| 20120073951 | METHODS AND EXTRACTION UNITS EMPLOYING VAPOR DRAW COMPOSITIONAL ANALYSIS - Embodiments of extraction unit and an analysis method are provided. In one embodiment, the analysis method includes the steps of providing a feed stream and a species-selective solvent to the distillation column, drawing a vapor sample from the distillation column, condensing the vapor sample, and analyzing at least a portion of the condensed vapor sample. | 03-29-2012 |
| 20120073663 | APPARATUS AND PROCESS FOR DISTRIBUTING VAPOR AND LIQUID PHASES - Apparatuses and methods are disclosed for distributing vapor and liquid flow. Problems with maldistribution, due to out of level positioning of the distributor tray, are addressed by varying the height of the caps and/or their openings to control the liquid flow profile (distribution) that results due to the rising liquid level. | 03-29-2012 |
| 20120073437 | VESSEL AND PROCESS PERTAINING TO AN IMPERMEABLE IMPINGEMENT PLATE - One exemplary embodiment can be a vessel. The vessel can include a body, an inlet, and an impermeable impingement plate. The body may include a substantially cylindrical structure orientated substantially horizontally, and first and second heads coupled at opposing ends of the substantially cylindrical structure. Generally, the body forms an interior space, and a lower portion of the body forms a trough having a length and a width. The inlet can communicate with the interior space of the vessel. Typically, the impermeable impingement plate has an impingement surface. The impermeable impingement plate may have a first side and a second side extending substantially the length of the trough. The first and second sides may be substantially parallel and spaced apart across at least a portion of the width of the trough. | 03-29-2012 |
| 20120071701 | Integration of Cyclic Dehydrogenation Process with FCC for Dehydrogenation of Refinery Paraffins - A process for increasing light olefin yields from the fluidized catalytic cracking process. The process combines small units to treat the paraffinic components in the product streams from the fluidized cracking process. The paraffins are dehydrogenated and light olefins are separated. Heavier olefins are passed to an olefin cracking unit for increasing the yields of ethylene and propylene. | 03-22-2012 |
| 20120070468 | REMOVAL OF TOXINS FROM GASTROINTESTINAL FLUIDS - A process for the removal of toxic cations and anions from gastrointestinal fluids is disclosed. A pH-increasing medication is administered prior to or together with a microporous cation exchanger. An additional feature of the invention is the use of a proton form of the microporous cation exchanger. The acidity of the gastrointestinal fluids is decreased to improve the stability of the microporous cation exchangers, which are represented by the empirical formula: | 03-22-2012 |
| 20120067774 | PROCESSES FOR INCREASING THE OVERALL AROMATICS AND XYLENES YIELD IN AN AROMATICS COMPLEX - Processes for increasing overall aromatics and xylenes yield in an aromatics complex are provided. A C | 03-22-2012 |
| 20120065446 | CATALYSTS, PROCESSES FOR PREPARING THE CATALYSTS, AND PROCESSES FOR TRANSALKYLATING AROMATIC HYDROCARBON COMPOUNDS - A catalyst comprising an aluminosilicate zeolite having an MOR framework type, an acidic MFI molecular sieve component having a Si/Al | 03-15-2012 |
| 20120065444 | Method for Controlling 2-Phenyl Isomer Content of Linear Alkylbenzene and Catalyst Used in the Method - A method for controlling 2-isomer content in linear alkylbenzene obtained by alkylating benzene with olefins and catalyst used in the method. | 03-15-2012 |
| 20120061604 | CONTROL OF ROTARY VALVE OPERATION FOR REDUCING WEAR - Aspects of the invention are associated with the discovery of methods for operating rotary valves that reduce or minimize wear of the seal sheet, which is often the limiting factor in overall processing capability of the valve. The control of certain parameters associated with the rotary valve operation, and particularly the seating pressure of the seal sheet (e.g., the dome pressure), can extend the useful life of the seal sheet, thereby avoiding excessive maintenance and downtime costs. In preferred embodiments, control is on a real time basis. | 03-15-2012 |
| 20120055333 | RAPID CYCLE, GAS PERMEABLE, ADSORBENT-CONTAINING PAPER CONTAINING P-ARAMID FIBRIDS AND ZEOLITE - A rapid cycle, gas permeable, adsorbent-containing (“RCA”) paper suitable for separating at least a portion of a first gas from a second gas in a gas mixture to produce a product stream enriched in the first gas. The RCA paper contains p-aramid fibrids and zeolite. | 03-08-2012 |
| 20120046507 | Selective CO Oxidation For Acetylene Converter Feed CO Control - A system and process for acetylene selective hydrogenation of an ethylene rich gas stream. An ethylene rich gas supply comprising at least H | 02-23-2012 |
| 20120043259 | Extraction of Mercaptans in the Absence of Oxidation Catalyst - Processes for the extractive removal of mercaptan compounds from hydrocarbon feeds, in which the contact between oxidation catalyst with oxygen and mercaptan in the feed is reduced or eliminated, are described. Oxidation of mercaptan compounds to disulfides in the extraction zone is prevented, thereby overcoming separation inefficiencies associated with the inability to extract disulfides in this zone. The invention advantageously relies on the use of a fixed bed of catalyst in the oxidation or regeneration zone, which is coupled to the extraction zone. | 02-23-2012 |
| 20120043257 | COMBINATION OF MILD HYDROTREATING AND HYDROCRACKING FOR MAKING LOW SULFUR DIESEL AND HIGH OCTANE NAPHTHA - Methods are disclosed for the hydrotreating and hydrocracking of highly aromatic distillate feeds such as light cycle oil (LCO) to produce ultra low sulfur gasoline and diesel fuel. Optimization of hydrotreater severity improves the octane quality of the gasoline or naphtha fraction. In particular, the operation of the hydrotreater at reduced severity to allow at least about 20 ppm by weight of organic nitrogen into the hydrocracker feed is shown to lead to these important benefits. Post-treating of the hydrocracker effluent over an additional hydrotreating catalyst bed may be desired to meet specifications for ultra low sulfur fuel components. | 02-23-2012 |
| 20120042689 | PROCESS FOR PURIFYING NATURAL GAS AND REGENERATING ONE OR MORE ADSORBERS - One exemplary embodiment can be a process for purifying a natural gas by using first and second adsorbers. The process may include passing a feed including the natural gas through the first adsorber to obtain a purified natural gas product, regenerating the second adsorber in a heating stage, and regenerating the second adsorber in a cooling stage. The heating stage may include separating a portion of the feed comprised in a regeneration gas, passing the regeneration gas to a dryer for removing water, heating the regeneration gas with a heater after exiting the dryer, and passing the regeneration gas to the second adsorber to regenerate the second adsorber. The cooling stage may include expelling at initiation of cooling at least a part of a fluid present in the second adsorber to the dryer to desorb water from a molecular sieve in the dryer, and cooling the second adsorber by circulating the regeneration gas bypassing the heater. | 02-23-2012 |
| 20120041245 | INTEGRATION OF A METHANOL-TO-OLEFIN REACTION SYSTEM WITH A HYDROCARBON PYROLYSIS SYSTEM - An integrated MTO synthesis and hydrocarbon pyrolysis system is described in which the MTO system and its complementary olefin cracking reactor are combined with a hydrocarbon pyrolysis reactor in a way that facilitates the flexible production of olefins and other petrochemical products, such as butene-1 and MTBE. | 02-16-2012 |
| 20120041244 | PRODUCING 1-BUTENE FROM AN OXYGENATE-TO-OLEFIN REACTION SYSTEM - 1-butene is recovered as a purified product from an MTO synthesis and especially from an integrated MTO synthesis and hydrocarbon pyrolysis system in which the MTO system and its complementary olefin cracking reactor are combined with a hydrocarbon pyrolysis reactor in a way that facilitates the flexible production and recovery of olefins and other petrochemical products, particularly butene-1 and MTBE. | 02-16-2012 |
| 20120041243 | INTEGRATION OF A METHANOL-TO-OLEFIN REACTION SYSTEM WITH A HYDROCARBON PYROLYSIS SYSTEM - An integrated MTO synthesis and hydrocarbon pyrolysis system is described in which the MTO system and its complementary olefin cracking reactor are combined with a hydrocarbon pyrolysis reactor in a way that facilitates the flexible production of olefins and other petrochemical products, such as butene-1 and MTBE. | 02-16-2012 |
| 20120039782 | DENSIFIED FUMED METAL OXIDES AND METHODS FOR PRODUCING THE SAME - A method for producing a densified fumed metal oxide having an increased bulk density and substantially the same surface area as an undensified fumed metal oxide with the same molecular composition is provided. The fumed metal oxide is wetted with a solvent to form a wetted fumed metal oxide. The wetted fumed metal oxide is dried to form a dried fumed metal oxide. The dried fumed metal oxide is calcined. | 02-16-2012 |
| 20120037000 | Apparatuses and Methods for Gas-Solid Separations Using Cyclones - Cyclones for gas-solid separators are described, which are especially applicable for use in a downflowing third stage separator (TSS) for the removal of dust particles, such as solid catalyst fines, from the flue gas streams exiting the catalyst regenerator in fluid catalytic cracking (FCC) processes. A number of important flow characteristics result from the configuration of the cyclones, particularly with respect to the relative axial lengths over which swirl vanes and central hubs of the cyclones extend. These characteristics include a decrease in growth of turbulent eddies that conventionally result from a sudden expansion, in open cross-sectional area, of gas exiting swirl vanes. | 02-16-2012 |
| 20120031811 | SELECTIVE HYDROCRACKING PROCESS FOR EITHER NAPHTHA OR DISTILLATE PRODUCTION - A hydrocracking zone for the selective production of either a naphtha product stream or a middle distillate stream from a hydrocarbonaceous feedstock utilizing a fixed catalyst and varying the ammonia concentration level introduced to the hydrocracking zone. The ammonia can be obtained by the reaction of nitrogen in the hydrocarbonaceous feedstock in a hydrotreating reactor, or from an external ammonia source, where the ammonia concentration is controlled by a stripping zone which allows an ammonia concentration in the range of about 0 to about 50 wppm to be introduced into the hydrocracking zone to yield a naphtha stream and an ammonia concentration in the range of about 20 to about 200 wppm to be introduced into the hydrocracking zone to yield a middle distillate stream. | 02-09-2012 |
| 20120031096 | Low Grade Heat Recovery from Process Streams for Power Generation - Methods are described for generating electrical power from low grade heat sources from refining and petrochemical processes, including overhead vapors from vapor-liquid contacting apparatuses such as distillation columns, absorbers, strippers, quenching towers, scrubbers, etc. In many cases, these overhead vapors exit the apparatuses at a temperature from about 90° C. (194° F.) to about 175° C. (347° F.). Rather than rejecting the low temperature heat contained in these vapors to cooling air and/or cooling water, the vapors may instead be used to evaporate an organic working fluid. The vapors of the working fluid may then be sent to a turbine to drive a generator or other load. | 02-09-2012 |
| 20120023809 | METHODS FOR PRODUCING PHASE STABLE, REDUCED ACID BIOMASS-DERIVED PYROLYSIS OILS - Methods for producing phase stable, reduced acid biomass-derived pyrolysis oils are provided. Biomass-derived pyrolysis oil having a determined water content no greater than about 30% by weight is provided. A base is mixed with the biomass-derived pyrolysis oil to produce reduced acid biomass-derived pyrolysis oil. A base is selected from an inorganic base or a nitrogen-containing base. | 02-02-2012 |
| 20120022171 | LOW WATER BIOMASS-DERIVED PYROLYSIS OILS AND PROCESSES FOR PRODUCING THE SAME - Low water-containing biomass-derived pyrolysis oils and processes for producing them are provided. The process includes condensing pyrolysis gases including condensable pyrolysis gases and non-condensable gases to separate the condensable pyrolysis gases from the non-condensable gases, the non-condensable gases having a water content, drying the non-condensable pyrolysis gases to reduce the water content of the-non-condensable gases to form reduced-water non-condensable pyrolysis gases, and providing the reduced-water non-condensable pyrolysis gases to a pyrolysis reactor for forming the biomass-derived pyrolysis oil. | 01-26-2012 |
| 20120018678 | Selective Oxidation Agent of Hydrocarbons to Synthesis Gas Based on Separate Particles of O-Carrier and Hydrocarbon Activator - A solid material is presented for the partial oxidation of natural gas. The solid material includes a solid oxygen carrying agent and a hydrocarbon activation agent. The material precludes the need for gaseous oxygen for the partial oxidation and provides better control over the reaction. | 01-26-2012 |
| 20120017495 | METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OILS - Methods for deoxygenating treated biomass-derived pyrolysis oil are provided. The treated biomass-derived pyrolysis oil is exposed to a catalyst having a neutral catalyst support such as a non-alumina metal oxide support, a theta alumina support, or both. The non-alumina metal oxide support may be a titanium oxide (TiO | 01-26-2012 |
| 20120017494 | PROCESSES FOR PRODUCING LOW ACID BIOMASS-DERIVED PYROLYSIS OILS - Processes for producing a low acid biomass-derived pyrolysis oil are provided that include pre-treating a biomass-derived pyrolysis oil to form a treated acid-containing biomass-derived pyrolysis oil. The processes also include esterifying the treated acid-containing biomass-derived pyrolysis oil in the presence of supercritical alcohol and a catalyst composition to form the low-acid biomass-derived pyrolysis oil, the catalyst composition comprising a material selected from the group consisting of an unsupported solid acid catalyst, an unsupported solid base catalyst, and a catalytic metal dispersed on a metal oxide support. | 01-26-2012 |
| 20120017493 | METHODS FOR PRODUCING LOW OXYGEN BIOMASS-DERIVED PYROLYSIS OILS - Methods for producing low oxygen biomass-derived pyrolysis oil are provided. Starting biomass-derived pyrolysis oil is deoxygenated by exposing the biomass-derived oil to a first catalyst in the presence of hydrogen-containing gas at first hydroprocessing conditions to produce a partially deoxygenated biomass-derived pyrolysis oil. The first catalyst has a neutral catalyst support. The partially deoxygenated biomass-derived pyrolysis oil is exposed to a second catalyst in the presence of additional hydrogen-containing gas at second hydroprocessing conditions to produce a hydrocarbon product. The biomass-derived pyrolysis oil may be esterified prior to deoxygenation. A portion of the low oxygen biomass-derived pyrolysis oil is recycled. | 01-26-2012 |
| 20120012039 | CHAR-HANDLING PROCESSES IN A PYROLYSIS SYSTEM - Char-handling processes for controlling overall heat balance, ash accumulation, and afterburn in a reheater are provided. Carbonaceous biomass feedstock is pyrolyzed using a heat transfer medium forming pyrolysis products and a spent heat transfer medium. The spent heat transfer medium is separated into segregated char and char-depleted spent heat transfer medium. The char-depleted spent heat transfer medium is introduced into a dense bed of heat transfer medium fluidized by a stream of oxygen-containing regeneration gas. All or a portion of the segregated char is combusted in the dense bed using the stream of oxygen-containing regeneration gas. A portion of the segregated char may be exported out of the pyrolysis system to control the overall heat balance and ash accumulation. | 01-19-2012 |
| 20120004491 | Adsorptive Process for Separation of C8 Aromatic Hydrocarbons - A method for separating a xylene from a feed mixture by contacting the feed mixture with a bed of adsorbent comprising metal organic framework crystals selective to the xylene. | 01-05-2012 |
| 20120004488 | Method for Enhancing the Performance of a Catalyzed Reaction - A method for improving performance of a catalyzed reaction carried out in a moving bed system having a reaction zone. A process stream is introduced into the reaction zone at a temperature, and the temperature of the catalyst introduced to the reaction zone is different from the process stream introduction temperature to increase conversion. | 01-05-2012 |
| 20120004486 | UZM-45 ALUMINOSILICATE ZEOLITE, METHOD OF PREPARATION AND PROCESSES USING UZM-45 - A new family of crystalline aluminosilicate zeolites has been synthesized designated UZM-45. These zeolites are represented by the empirical formula. | 01-05-2012 |
| 20120004485 | UZM-5, UZM-5P, AND UZM-6 CRYSTALLINE ALUMINOSILICATE ZEOLITES AND METHODS FOR PREPARING THE SAME - A method for preparing a family of zeolites, examples of which have been designated UZM-5, UZM-5P and UZM-6, and are represented by the empirical formula | 01-05-2012 |
| 20120004484 | UZM-7 ALUMINOSILICATE ZEOLITE, METHOD OF PREPARATION AND PROCESSES USING UZM-7 - A new family of crystalline aluminosilicate zeolites has been synthesized designated UZM-7. These zeolites are represented by the empirical formula. | 01-05-2012 |
| 20120004483 | AROMATIC ALKYLATION PROCESS USING UZM-5, UZM-5P AND UZM-6 ZEOLITES - A process for alkylating aromatic compounds using a family of zeolites, examples of which have been designated UZM-5, UZM-5P and UZM-6, and are represented by the empirical formula: | 01-05-2012 |
| 20120004480 | ADSORBENT FOR FEED AND PRODUCTS PURIFICATION IN BENZENE SATURATION PROCESS - The service life and deactivation rate of a benzene saturation catalyst is improved through use of a new sulfur guard bed containing a chloride additive. This sulfur guard bed, which contains supported CuO material having an increased resistance to reduction, shows such improvement. Thus, the danger of run-away reduction followed by a massive release of water and deactivation of an isomerization catalyst is practically eliminated. The fact that the guard bed material preserves the active metal phase-copper in an active (oxide) form is an important advantage leading to very low sulfur content in the product stream. The sulfur capacity per unit weight of sorbent is also significantly increased, making this sorbent a superior cost effective sulfur guard product. The guard bed is effective in treating mixed phase feed streams. | 01-05-2012 |
| 20120004456 | PROCESS FOR PURIFYING TEREPHTHALIC ACID - A process for purifying crude terephthalic acid comprising a contaminant at a first concentration, the process comprising contacting the crude terephthalic acid with a solvent comprising an ionic liquid at purifying conditions to produce a solid terephthalic acid product having a second concentration of the contaminant lower than the first concentration. | 01-05-2012 |
| 20120004455 | SOLID TEREPHTHALIC ACID COMPOSITION - A solid terephthalic acid composition and a process for producing terephthalic acid from para-xylene. The process comprises forming a mixture comprising the para-xylene, a solvent, a bromine source, and a catalyst; and oxidizing the para-xylene by contacting the mixture with an oxidizing agent at oxidizing conditions to produce a solid oxidation product comprising terephthalic acid, para-toluic acid, 4-carboxybenzaldehyde. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms and an dialkyl imidazolium ionic liquid; and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. The solid terephthalic acid composition comprises, less than about 4,000 ppm-wt 4-carboxybenzaldehyde content, and more than about 2,000 ppm-wt a para-toluic acid. | 01-05-2012 |
| 20120004454 | MIXTURES USED IN OXIDIZING ALKYL AROMATIC COMPOUNDS - A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, and a catalyst; and contacting the mixture with an oxidizing agent at oxidizing conditions to produce an oxidation product comprising at least one of an aromatic aldehyde, an aromatic alcohol, an aromatic ketone, and an aromatic carboxylic acid. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms and an ionic liquid selected from the group consisting of an imidazolium ionic liquid, a pyridinium ionic liquid, a phosphonium ionic liquid, a tetra alkyl ammonium ionic liquid, and combinations thereof. The catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. | 01-05-2012 |
| 20120004451 | PROCESS FOR PRODUCING TEREPHTHALIC ACID - A process for producing terephthalic acid from para-xylene. The process comprises forming a mixture comprising the para-xylene, a solvent, a bromine source, a catalyst, and ammonium acetate; and oxidizing the para-xylene by contacting the mixture with an oxidizing agent at oxidizing conditions to produce a solid oxidation product comprising terephthalic acid, para-toluic acid, 4-carboxybenzaldehyde. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms, and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. | 01-05-2012 |
| 20120004450 | PROCESS FOR PRODUCING TEREPHTHALIC ACID - A solid terephthalic acid composition and a process for producing terephthalic acid from para-xylene. The process comprises forming a mixture comprising the para-xylene, a solvent, a bromine source, and a catalyst; and oxidizing the para-xylene by contacting the mixture with an oxidizing agent at oxidizing conditions to produce a solid oxidation product comprising terephthalic acid, para-toluic acid, 4-carboxybenzaldehyde. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms and an dialkyl imidazolium ionic liquid; and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. The solid terephthalic acid composition comprises, less than about 4,000 ppm-wt 4-carboxybenzaldehyde content, and more than about 2,000 ppm-wt a para-toluic acid. | 01-05-2012 |
| 20120004449 | PROCESS FOR OXIDIZING ALKYL AROMATIC COMPOUNDS - A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, and a catalyst; and contacting the mixture with an oxidizing agent at oxidizing conditions to produce an oxidation product comprising at least one of an aromatic aldehyde, an aromatic alcohol, an aromatic ketone, and an aromatic carboxylic acid. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms and an ionic liquid selected from the group consisting of an imidazolium ionic liquid, a pyridinium ionic liquid, a phosphonium ionic liquid, a tetra alkyl ammonium ionic liquid, and combinations thereof. The catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. | 01-05-2012 |
| 20120004448 | PROCESS FOR OXIDIZING ALKYL AROMATIC COMPOUNDS - A process and a mixture for oxidizing an alkyl-aromatic compound comprises forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, a catalyst, and ammonium acetate; and contacting the mixture with an oxidizing agent at oxidizing conditions to produce an oxidation product comprising at least one of an aromatic aldehyde, an aromatic alcohol, an aromatic ketone, and an aromatic carboxylic acid. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms; and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. | 01-05-2012 |
| 20120003475 | Synthesis Methodology to Produce Nano Metal Organic Framework Crystals - A method for synthesizing particulate or loosely agglomerated nano-metal organic framework crystals having an average particle size less than 100 nm. A base compound is added to a solution of a metal salt and an organic polydentate ligand with thorough stirring at a temperature between about 15° C. and about 30° C. for a time less than about 4 hours. | 01-05-2012 |
| 20120003147 | UZM-35 ZEOLITIC COMPOSITION, METHOD OF PREPARATION AND PROCESSES - A new family of crystalline aluminosilicate zeolitic compositions, UZM-35 compositions, has been synthesized. These zeolitic compositions are represented by the empirical formula. | 01-05-2012 |
| 20120000827 | PROCESS FOR REMOVING ONE OR MORE SULFUR COMPOUNDS FROM A STREAM - One exemplary embodiment can be a process for removing one or more disulfide compounds from a caustic stream. The process can include passing the caustic stream, previously contacted with a hydrocarbon stream for removing one or more mercaptans, through a column to remove the one or more disulfide compounds downstream of a mercaptan oxidation zone. | 01-05-2012 |
| 20120000826 | PROCESS FOR REDUCING CORROSION - One exemplary embodiment can be a process for reducing corrosion during removal of one or more sulfur-containing hydrocarbons from a gas. Generally, the process includes producing an effluent including a caustic, one or more hydrocarbons, one or more sulfur compounds, and a gas from an oxidation vessel; sending the effluent to a stack of a disulfide separator; passing the gas, including oxygen and one or more sulfur compounds, through the stack; and passing a stream including one or more hydrocarbons to the stack at a temperature of less than about 38° C. for absorbing the one or more sulfur compounds. Typically, the stack includes one or more walls surrounding a void and adapted to receive a fluid including one or more phases, a packed bed positioned within the void, and a distributor including one or more risers and one or more compartments coupled to a substantially horizontal member forming a plurality of apertures there-through. | 01-05-2012 |
| 20120000825 | ADSORBENT FOR FEED AND PRODUCTS PURIFICATION IN A REFORMING PROCESS - The service life and deactivation rate of a reforming catalyst is improved through use of a new sulfur guard bed containing a chloride additive. This sulfur guard bed, which contains supported CuO material having an increased resistance to reduction, shows such improvement. Thus, the danger of run-away reduction followed by a massive release of water causing process upsets in a catalytic reforming process is practically eliminated. The fact that the guard bed material preserves the active metal phase—copper in an active (oxide) form is an important advantage leading to very low sulfur content in the product stream. The sulfur capacity per unit weight of sorbent is also significantly increased, making this sorbent a superior cost effective sulfur guard product. | 01-05-2012 |
| 20120000359 | NATURAL GAS PURIFICATION SYSTEM - The present invention relates to an integrated membrane/absorbent/adsorbent process and system for removal of mercury and sulfur compounds from natural gas on a ship that houses natural gas purification equipment. First mercury and most of the sulfur compounds are removed by an adsorbent bed and then the natural gas stream passes through a membrane unit to produce a partially purified natural gas residue stream to be dried and then liquefied and a carbon dioxide permeate stream that can be used as a fuel gas. | 01-05-2012 |
| 20120000355 | Flexible System To Remove Carbon Dioxide From A Feed Natural Gas - A system and process for the removal of carbon dioxide (CO | 01-05-2012 |
| 20120000244 | HEAT PUMP DISTILLATION FOR <50% LIGHT COMPONENT IN FEED - A process is presented for the separation of a hydrocarbon mixture having less than 50% of the light component in the feedstream. The process provides an energy efficiency through drawing off a vapor stream from the rectifying section of a distillation column, and using recompression of the vapor to provide a portion of the heat for reboiling a portion of the bottoms stream exiting the stripping section of the distillation column. | 01-05-2012 |
| 20110319698 | PROCESS FOR UPGRADING SWEETENED OR OXYGEN-CONTAMINATED KEROSENE OR JET FUEL, TO MINIMIZE OR ELIMINATE ITS TENDENCY TO POLYMERIZE OR FOUL WHEN HEATED - A process is presented for the removal of oxygen from a hydrocarbon stream. The oxygen can react and cause polymerization of the hydrocarbons when the hydrocarbon stream is heated. Controlling the removal of the oxygen from the hydrocarbon stream produces a hydrocarbon stream that is substantially free of oxygen and has a reduced activity for generating undesired compounds. | 12-29-2011 |
| 20110319692 | Method for Quenching Paraffin Dehydrogenation Reaction in Counter-Current Reactor - A process is presented for quenching a process stream in a paraffin dehydrogenation process. The process comprises cooling a propane dehydrogenation stream during the hot residence time after the process stream leaves the catalytic bed reactor section. The process includes cooling and compressing the product stream, taking a portion of the product stream and passing the portion of the product stream to the mix with the process stream as it leaves the catalytic bed reactor section. | 12-29-2011 |
| 20110319691 | REDUCED FLUIDIZATION OF SOLID PARTICLES IN RADIAL FLOW FLUID/SOLID CONTACTING - Apparatuses and methods are disclosed for contacting radially flowing fluids with solid particles (e.g., catalyst) with reduced tendency for fluidization of the particles, and especially a sealing portion of the particles at the top of a particle retention zone disposed between screens at upstream and downstream positions relative to radial fluid flow. Fluidization is reduced or eliminated by offsetting openings of the screens in the axial direction, such that upstream openings in the upstream screen are above highest downstream openings in a downstream stream. The offset in openings imparts a downward flow component to radially flowing fluid, thereby reducing solid particle fluidization without the need to induce a specific pressure drop profile along the entire axial direction of the screens. | 12-29-2011 |
| 20110319673 | ZEOLITE CONTAINING WASH COATS FOR ADSORBER HEAT EXCHANGERS AND TEMPERATURE CONTROLLED ADSORBERS - The present invention provides a process for applying a coating on a heat exchanger or a temperature controlled adsorber surface. This coating comprises a zeolite, an organic solvent, an organic siloxane resin that constitutes a binder and a plasticizing agent. | 12-29-2011 |
| 20110318932 | Pyrolysis Methods, Catalysts, and Apparatuses for Treating and/or Detecting Gas Contaminants - Processes for treating gas streams contaminated with fluorine-containing compounds, in addition to apparatuses for such treatment processes that may also be used to monitor the emission of these compounds, are disclosed. In the processes and apparatuses, catalytic conversion (pyrolysis) one or more fluorine-containing contaminants (e.g., perfluorocarbon) in the gas stream is carried out using a catalyst comprising tungstated zirconia or sulfated zirconia. The catalysts exhibit exceptional responsiveness, recovery, and/or activity, compared to conventional catalysts, for this purpose. | 12-29-2011 |
| 20110318235 | RECESSED GAS FEED DISTRIBUTOR APPARATUS FOR FCC RISER - An FCC apparatus may include a distributor disposed in a recess in a wall of the riser for distributing gaseous hydrocarbon feed to a riser. The distributor may be shielded from upwardly flowing catalyst by a shield. An array of nozzles from the distributor may extend through openings in the shield. | 12-29-2011 |
| 20110316181 | PROCESS OF MAKING ASYMMETRIC POLYBENZOXAZOLE MEMBRANES - The present invention provides a process for making an integrally skinned asymmetric polybenzoxazole hollow fiber membrane comprising spinning a dope solution via a dry-wet phase inversion technique to form a porous integrally skinned asymmetric o-hydroxy substituted polyimide or an o-hydroxy substituted polyamide hollow fiber membrane comprising microporous inorganic molecular sieve followed by thermal rearrangement at a temperature from about 250° to 500° C. to convert the polyimide or polyamide membrane into a polybenzoxazole membrane. These membranes contain microporous inorganic molecular sieve materials that can have a particle size from about 20 nm to 10 μm. | 12-29-2011 |
| 20110315602 | RECESSED GAS FEED DISTRIBUTOR PROCESS FOR FCC RISER - An FCC process may include a distributor disposed in a recess in a wall of the riser for distributing gaseous hydrocarbon feed to a riser. The distributor may be shielded from upwardly flowing catalyst by a shield. An array of nozzles from the distributor may extend through openings in the shield. | 12-29-2011 |
| 20110315166 | APPARATUS AND PROCESS FOR ISOMERIZING A HYDROCARBON STREAM - One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a vessel containing a fluid including at least one reactant; a fluid transfer device receiving the fluid including at least one reactant from the vessel; at least one drier receiving the fluid including at least one reactant from the fluid transfer device; and a reactor communicating with the at least one drier to receive the fluid including at least one reactant. In addition, the at least one drier may communicate with the vessel at least by sending the fluid including at least one reactant or the regenerant through a fluid tapering device for at least one of regulating the flow and reducing the pressure of the regenerant to the vessel. | 12-29-2011 |
| 20110315010 | INTEGRATED MEMBRANE AND ADSORPTION SYSTEM FOR CARBON DIOXIDE REMOVAL FROM NATURAL GAS - The present invention relates to an integrated membrane/adsorbent process and system for removal of carbon dioxide from natural gas on a ship that houses natural gas purification equipment. Additional membrane units or adsorbent beds are used to reduce the amount of product gas that is lost in gas streams that are used to regenerate the adsorbent beds. These systems produce a product stream that meets the specifications of less than 50 parts per million carbon dioxide in natural gas for liquefaction. | 12-29-2011 |
| 20110313223 | PROCESS FOR XYLENE AND ETHYLBENZENE ISOMERIZATION USING UZM-35 - Xylene and ethylbenzene isomerization process is catalyzed by the UZM-35 family of crystalline aluminosilicate zeolitic compositions represented by the empirical formula: | 12-22-2011 |
| 20110313222 | APPARATUS AND PROCESS FOR ISOMERIZING A HYDROCARBON STREAM - One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a first drier and a second drier adapted to receive a fluid including at least one reactant; and a reaction zone communicating with the first drier to receive the fluid including at least one reactant and with the second drier to receive the regenerant. Generally, the first drier operates at a first condition to dry the fluid including at least one reactant and the second drier operates at a second condition during regeneration with a regenerant. The regenerant is displaced from the drier using a down-flow regenerant displacement assembly. | 12-22-2011 |
| 20110313212 | CONTINUOUS CATALYTIC GENERATION OF POLYOLS FROM CELLULOSE WITH RECYCLE - A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with a catalyst to generate an effluent stream comprising at least one polyol, water, hydrogen, and at least one co-product. The water, hydrogen, and at least one co-product are separated from the effluent stream and recycled to the reaction zone. The polyol is recovered from the effluent stream. | 12-22-2011 |
| 20110313210 | CATALYTIC PROCESS FOR CONTINUOUSLY GENERATING POLYOLS - A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with a catalyst to generate an effluent stream comprising at least one polyol, water, hydrogen, and at least one co-product. The water, hydrogen, and at least one co-product are separated from the effluent stream and recycled to the reaction zone. The polyol is recovered from the effluent stream. | 12-22-2011 |
| 20110313209 | CATALYTIC PROCESS FOR CONTINUOUSLY GENERATING POLYOLS - A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with a catalyst to generate an effluent stream comprising at least one polyol, water, hydrogen, and at least one co-product. The water, hydrogen, and at least one co-product are separated from the effluent stream and recycled to the reaction zone. The polyol is recovered from the effluent stream. | 12-22-2011 |
| 20110313208 | PROCESS FOR GENERATION OF POLYOLS FROM SACCHARIDES - A process for generating at least one polyol from a feedstock comprising saccharide is performed in a continuous or batch manner. The process involves, contacting, hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one unsupported component and at least one supported component. | 12-22-2011 |
| 20110312488 | CATALYST SYSTEM FOR GENERATION OF POLYOLS FROM SACCHARIDE CONTAINING FEEDSTOCK - A catalyst system for generating at least one polyol from a feedstock comprising saccharide is disclosed. Generating the polyol involves, contacting hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one metal component with an oxidation state greater than or equal to 2+. | 12-22-2011 |
| 20110312487 | CATALYST SYSTEM FOR GENERATION OF POLYOLS FROM SACCHARIDES - A catalyst system for generating at least one polyol from a feedstock comprising saccharide is performed in a continuous or batch manner. Generating the polyol involves, contacting, hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one unsupported component and at least one supported component. | 12-22-2011 |
| 20110312051 | PROCESS FOR GENERATION OF POLYOLS FROM SACCHARIDE CONTAINING FEEDSTOCK - A process for generating at least one polyol from a feedstock comprising saccharide is performed in a continuous or batch manner. The process involves, contacting hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one metal component with an oxidation state greater than or equal to 2+. | 12-22-2011 |
| 20110312050 | CONTINUOUS CATALYTIC GENERATION OF POLYOLS FROM CELLULOSE - A catalytic process for generating at least one polyol from a feedstock comprising cellulose is performed in a continuous manner using a catalyst comprising nickel tungsten carbide. The process involves, contacting, continuously, hydrogen, water, and a feedstock comprising cellulose, with the catalyst to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. | 12-22-2011 |
| 20110309299 | APPARATUS AND PROCESS FOR ISOMERIZING A HYDROCARBON STREAM - One exemplary embodiment can be an apparatus for isomerizing a hydrocarbon stream rich in a C4 hydrocarbon and/or at least one of a C5 and C6 hydrocarbon. The apparatus can include: a first drier and a second drier adapted to receive a fluid including at least one reactant; and a reaction zone communicating with the first drier to receive the fluid including at least one reactant and with the second drier to receive the regenerant. Generally, the first drier operates at a first condition to dry the fluid including at least one reactant and the second drier operates at a second condition during regeneration with a regenerant. The regenerant can pass through a fluid tapering device for regulating the flow of the regenerant to the reaction zone. | 12-22-2011 |
| 20110308998 | Process for Catalytic Cracking of Hydrocarbons Using UZM-35 - Catalytic cracking processes such as fluidized catalytic cracking, naphtha cracking, and olefin cracking are catalyzed by the UZM-35 family of crystalline aluminosilicate zeolitic compositions represented by the empirical formula: | 12-22-2011 |
| 20110308997 | PROCESS FOR USING CATALYST WITH RAPID FORMATION OF IRON SULFIDE IN SLURRY HYDROCRACKING - A process is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and alumina to form a heavy hydrocarbon slurry and hydrocracked to produce lighter hydrocarbons. The iron oxide in the catalyst converts to catalytically active iron sulfide in the presence of hydrogen and sulfur. | 12-22-2011 |
| 20110308388 | ABSORPTION METHOD FOR RECOVERING GAS CONTAMINANTS AT HIGH PURITY - Solvent absorption processes for separating components of an impure feed gas are disclosed. The processes involve two stages of gas-liquid contacting, namely a first, absorption stage and a second, stripping stage. In the case of a carbon dioxide (CO | 12-22-2011 |
| 20110308387 | SEPARATION VESSEL OR PART THEREOF, AND PROCESS RELATING THERETO - One exemplary embodiment can be a stack for a separation vessel adapted to receive a fluid having one or more phases. The stack may include one or more walls surrounding a void, a packed bed positioned within the void, and a distributor positioned above the packed bed. Generally, the stack has a height greater than its width. Usually, the separation vessel further includes a base having a length greater than its height, and the height of the stack is orientated substantially perpendicular to the length of the base. | 12-22-2011 |
| 20110306809 | PROCESS FOR THE REDUCTION OF GASOLINE BENZENE CONTENT BY ALKYLATION WITH DILUTE ETHYLENE - The process converts ethylene in a dilute ethylene stream and dilute benzene in an aromatic containing stream via alkylation to heavier hydrocarbons. The catalyst may be a zeolite such as UZM-8. The catalyst is resistant to feed impurities such as hydrogen sulfide, carbon oxides, and hydrogen and selectively converts benzene. At least 40 wt-% of the ethylene in the dilute ethylene stream and at least 20 wt-% of the benzene in the dilute benzene stream can be converted to heavier hydrocarbons. | 12-15-2011 |
| 20110306490 | COMPOSITION OF SUPPORTED MOLYBDENUM CATALYST FOR SLURRY HYDROCRACKING - A composition is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising molybdenum supported on a base, such as boehmite or pseudo-boehmite alumina. Iron oxide may also be in the base. The base is preferably bauxite. The heavy hydrocarbon slurry is hydrocracked in the presence of the catalyst to produce lighter hydrocarbons. | 12-15-2011 |
| 20110305616 | CONFIGURATION OF CONTACTING ZONES IN VAPOR LIQUID CONTACTING APPARATUSES - Vapor-liquid contacting apparatuses comprising a primary contacting zone and a secondary contacting zone are disclosed. A representative secondary contacting zone is a secondary absorption zone, such as a finishing zone for subsequent contacting of the vapor effluent from the primary contacting zone to further remove impurities and achieve a desired purity of purified gas exiting the secondary absorption zone. The secondary contacting zone is disposed below the primary contacting zone, such that the secondary contacting zone, which must operate efficiently in removing generally trace amounts of remaining impurities, is more protected from movement than the more elevated, primary or initial contacting stages for bulk impurity removal. The apparatuses are therefore especially beneficial in offshore applications where they are subjected to rocking. | 12-15-2011 |
| 20110305602 | APPARATUS FOR THE REDUCTION OF GASOLINE BENZENE CONTENT BY ALKYLATION WITH DILUTE ETHYLENE - The apparatus converts ethylene in a dilute ethylene stream and dilute benzene in an aromatic containing stream via alkylation to heavier hydrocarbons. The catalyst may be a zeolite such as UZM-8. The catalyst is resistant to feed impurities such as hydrogen sulfide, carbon oxides, and hydrogen and selectively converts benzene. At least 40 wt-% of the ethylene in the dilute ethylene stream and at least 20 wt-% of the benzene in the dilute benzene stream can be converted to heavier hydrocarbons. | 12-15-2011 |
| 20110303584 | PROCESS FOR USING SUPPORTED MOLYBDENUM CATALYST FOR SLURRY HYDROCRACKING - A process is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising molybdenum supported on a base, such as boehmite or pseudo-boehmite alumina. Iron oxide may also be in the base. The base is preferably bauxite. The heavy hydrocarbon slurry is hydrocracked in the presence of the catalyst to produce lighter hydrocarbons. | 12-15-2011 |
| 20110303583 | PROCESS FOR USING SUPPORTED MOLYBDENUM CATALYST FOR SLURRY HYDROCRACKING - A process is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising molybdenum supported on a base, such as boehmite or pseudo-boehmite alumina. Iron oxide may also be in the base. The base is preferably bauxite. The heavy hydrocarbon slurry is hydrocracked in the presence of the catalyst to produce lighter hydrocarbons. | 12-15-2011 |
| 20110303580 | SLURRY HYDROCRACKING APPARATUS OR PROCESS - One exemplary embodiment can include a slurry hydrocracking process. The process can include combining one or more hydrocarbons and a slurry hydrocracking catalyst as a feed to a slurry hydrocracking reaction zone, fractionating an effluent from the slurry hydrocracking reaction zone, separating the pitch from at least a portion of the slurry hydrocracking catalyst, and recycling the suspension to the slurry hydrocracking reaction zone. The slurry hydrocracking catalyst may include a support. Fractionating the effluent may provide a light vacuum gas oil, a heavy vacuum gas oil, and a mixture comprising a pitch and the slurry hydrocracking catalyst. Generally, the separated slurry hydrocracking catalyst is comprised in a suspension. | 12-15-2011 |
| 20110303089 | SELECTIVE ABSORPTION OF GAS COMPONENTS IN CO-CURRENT CONTACTING APPARATUSES - Methods are disclosed for the selective absorption of gas components based on differences in their gas phase and liquid phase resistances to mass transfer. The methods advantageously utilize a gas-liquid contacting apparatus having contacting stages with co-current flow channels that can provide contacting with increased liquid phase resistance to mass transfer, for example in the spray regime such that the liquid is effectively dispersed as small droplets into the gas phase. | 12-15-2011 |
| 20110301397 | PROCESS FOR ALKYLATION OF AROMATIC HYDROCARBONS USING UZM-35 - Alkylation processes such as the alkylation of aromatics, are catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 12-08-2011 |
| 20110301393 | Two Stage Oxygenate Conversion Reactor with Improved Selectivity - A process and apparatus is presented for the improved selectivity of oxygenate conversion to olefins. The process includes passing a process stream through a two stage reactor, wherein the process stream is separated from the catalyst in the first stage before passing the process stream to the second stage. The catalyst is continuously passed through the two stages, and cycles through a regeneration unit to control the carbon content on the catalyst. | 12-08-2011 |
| 20110300026 | Two Stage Oxygenate Conversion Reactor with Improved Selectivity - A process and apparatus is presented for the improved selectivity of oxygenate conversion to olefins. The process includes passing a process stream through a two stage reactor, wherein the process stream is separated from the catalyst in the first stage before passing the process stream to the second stage. The catalyst is continuously passed through the two stages, and cycles through a regeneration unit to control the carbon content on the catalyst. | 12-08-2011 |
| 20110297583 | PROCESS FOR FLUID CATALYTIC CRACKING - One exemplary embodiment can be a process for fluid catalytic cracking. The process may include providing a torch oil to a stripping section of a first reaction zone, which in turn can communicate at least a partially spent catalyst to a regeneration zone for providing additional heat duty to the regeneration zone. | 12-08-2011 |
| 20110295052 | PROCESSES FOR OLEFIN/PARAFFIN SEPARATION UTILIZING POROUS, HYDROPHOBIC POLY(ETHER ETHER KETONE) MEMBRANES - Processes for olefin/paraffin separation utilizing porous, hydrophobic poly(ether ether ketone) (PEEK) membranes are provided. In accordance with an exemplary embodiment, a process for olefin/paraffin separation comprises providing a porous membrane formed of PEEK polymer functionalized with hydrophobic groups, the porous membrane having a first surface and a second surface. The first surface of the porous membrane is contacted with a feed comprising an olefin and a paraffin and a permeate is caused to flow from the second surface of the porous membrane. The permeate has a concentration of the paraffin that is higher than a concentration of the paraffin of the feed. | 12-01-2011 |
| 20110290112 | HIGH PERMEANCE POLYIMIDE MEMBRANES FOR AIR SEPARATION - The present invention discloses a new type of polyimide membranes including hollow fiber and flat sheet membranes with high permeances for air separations and a method of making these membranes. The new polyimide hollow fiber membranes have O | 12-01-2011 |
| 20110290111 | TREATMENT OF NATURAL GAS FEEDS - The present invention provides a process for treating a natural gas stream comprising sending a natural gas stream to at least one membrane unit to produce a permeate stream containing a higher concentration of carbon dioxide and a retentate stream containing a lower concentration of carbon dioxide. Then the retentate stream is sent to an adsorbent bed to remove carbon dioxide and other impurities to produce a natural gas product stream. The regeneration gas stream is sent through the molecular sieve adsorbent bed to desorb the carbon dioxide. In one process flow scheme, the regeneration stream is combined with the permeate stream from the membrane unit. Then the combined stream is sent to an absorbent column to remove carbon dioxide from the permeate stream to produce a second natural gas product stream. In the alternative flow scheme, a second membrane unit is used to improve efficiency. | 12-01-2011 |
| 20110290110 | INTEGRATED PROCESS FOR FLOATING LIQUEFIED NATURAL GAS PRETREATMENT - The present invention provides a membrane/amine column system and process for removing acid gases from natural gas on a floating liquefied natural gas vessel. Several process configurations are provided to deal with a reduction in the effectiveness of the amine column by increasing the amount of acid gases being removed by the membrane system prior to the natural gas being sent to the amine column. | 12-01-2011 |
| 20110287503 | METHODS FOR PRODUCING HYDROCARBON PRODUCTS FROM ALGAL BIOMASS - Methods for producing hydrocarbon oils from algal biomass are provided. The algal biomass is hydrogenolysed under reaction conditions sufficient to produce a partially deoxygenated lipid-based oil. The algal biomass may be whole algal biomass, residual algal biomass, or both. The algal biomass is hydrogenolysed by liquefying the algal biomass in the presence of a hydrogenolytic catalyst in a hydrogen atmosphere at an elevated temperature and pressure to produce an organic phase containing the partially deoxygenated lipid-based oil, an aqueous phase, and a solid phase. The aqueous and solid phases may be removed from the partially deoxygenated lipid-based oil. The partially deoxygenated lipid-based oil is then substantially deoxygenated using a hydroprocessing catalyst to produce the hydrocarbon oil. | 11-24-2011 |
| 20110285039 | DOWNCOMER FOR A GAS-LIQUID CONTACTING DEVICE - One exemplary embodiment can be a downcomer for a gas-liquid contacting device. The downcomer may include first and second spaced apart side walls, first and second end walls, a floor, and first and second opposing discharge walls. Generally, each end wall is coupled to a respective end of the first and second side walls. Typically, the floor is coupled to the side walls and end walls, and the floor has at least one section adapted for permitting the passage of liquid there-through. The first and second opposing discharge walls can be coupled to respective first and second side walls and having respective ends below the floor. | 11-24-2011 |
| 20110284359 | PROCESSES FOR CONTROLLING AFTERBURN IN A REHEATER AND FOR CONTROLLING LOSS OF ENTRAINED SOLID PARTICLES IN COMBUSTION PRODUCT FLUE GAS - Processes for controlling afterburn in a reheater and loss of entrained solid particles in reheater flue gas are provided. Carbonaceous biomass feedstock is pyrolyzed using a heat transfer medium forming pyrolysis products and a spent heat transfer medium comprising combustible solid particles. The spent heat transfer medium is introduced into a fluidizing dense bed. The combustible solid particles of the spent heat transfer medium are combusted forming combustion product flue gas in a dilute phase above the fluidizing dense bed. The combustion product flue gas comprises flue gas and solid particles entrained therein. The solid particles are separated from the combustion product flue gas to form separated solid particles. At least a portion of the separated solid particles are returned to the fluidizing dense bed. | 11-24-2011 |
| 20110282125 | HEAVY OLEFIN PRODUCTION PROCESS - A process is presented for the selective separation and recovery of large normal paraffins from a heavy kerosene boiling point fraction. The process includes passing the heavy kerosene fraction through an adsorption separation system for separating the normal paraffins from the paraffin mixture. The recovered extract and raffinate streams are mixed with a diluent made up of a lighter hydrocarbon. The subsequent diluted extract and raffinate streams are passed through first fractionation columns to separate the desorbent from the diluent and the heavier paraffins. The mixture of the diluent and heavier paraffins is passed through a second set of fractionation columns to separate the diluent and the heavier paraffins. | 11-17-2011 |
| 20110282124 | PROCESS FOR CRACKING A HYDROCARBON FEED - An embodiment can be a process for catalytically cracking a hydrocarbon feed. The process can include providing the hydrocarbon feed including an effective amount of one or more C4-C6 olefins for producing at least one light olefin to a riser. Typically, at least about 99%, by mole, of the hydrocarbon feed is a gas. | 11-17-2011 |
| 20110282122 | MOLECULAR SIEVE, CATALYST, AND/OR A PROCESS RELATING THERETO - One exemplary embodiment can be a molecular sieve. The molecular sieve can include one or more crystals. The molecular sieve can have an external surface area of no more than about 20 m | 11-17-2011 |
| 20110281721 | ADSORBENT MEDIA - Disclosed is an adsorbent media for use in adsorption systems and a method of making the same. The media includes a relatively thin support layer such as paper, an adsorbent such as a zeolite and non-activated pitch-based carbon fibers. The relatively thin layer, porous media provides the advantages of faster mass flow. Because the pitch-based carbon fibers are not activated, they retain their high thermal conductivity and, therefore, provide for fast and efficient heat diffusion through the media. | 11-17-2011 |
| 20110278227 | POLYMER MEMBRANES PREPARED FROM AROMATIC POLYIMIDE MEMBRANES BY THERMAL TREATING AND UV CROSSLINKING - The present invention discloses a new type of high performance polymer membranes prepared from aromatic polyimide membranes by thermal treating and crosslinking and methods for making and using these membranes. The polymer membranes were prepared from aromatic polyimide membranes by thermal treating under inert atmosphere followed by crosslinking preferably by using a UV radiation source. The aromatic polyimide membranes were made from aromatic polyimide polymers comprising both pendent hydroxy functional groups ortho to the heterocyclic imide nitrogen and cross-linkable functional groups in the polymer backbone. The membranes showed significantly improved selectivity and permeability for gas separations compared to the aromatic polyimide membranes without any treatment. The membranes can be fabricated into any convenient geometry and are not only suitable for a variety of liquid, gas, and vapor separations, but also can be used for other applications such as for catalysis and fuel cell applications. | 11-17-2011 |
| 20110274587 | LIQUID PHASE HYDROPROCESSING WITH TEMPERATURE MANAGEMENT - A method of hydroprocessing hydrocarbons is provided using a substantially liquid-phase reactor having first and second catalyst beds with a heat transfer section positioned therebetween. The first and second catalyst beds and the heat transfer section are combined within the same reactor vessel. Each catalyst bed having an inlet temperature and an exit temperature and having a hydroprocessing catalyst therein with a maximum operating temperature range. The method hydroprocesses the hydrocarbons and removes sufficient heat from the hydrocarbons using the heat transfer section so that the exit temperature of the hydrocarbons existing the first catalyst bed is substantially maintained below the maximum operating temperature range of the hydroprocessing catalysts in the first bed and, at the same time, also providing the hydrocarbons to the second catalyst bed at the inlet temperature so that the exit temperature of the hydrocarbons at the exit of the second catalyst bed also does not exceed the maximum operating temperature range of the hydroprocessing catalyst in the second bed. | 11-10-2011 |
| 20110272267 | Heat Pump Distillation - A distillation column is disclosed. The column includes a plurality of rectification zones and corresponding stripping zones. Each rectification zone is linked to a heat pump or a stage of a heat pump. Overhead material from the top rectification zone is compressed and used to heat bottoms liquid from the bottom stripping zone. Similarly, overhead material from a lower rectification zone is compressed and used to heat liquid taken from the uppermost or top stripping zone. Optionally, overhead material from a middle rectification zone is compressed and used to heat liquid from a middle stripping zone. A single multiple stage heat pump compressor may be utilized as opposed to a plurality of heat pumps. Because the heat exchanger from each rectification-stripping zone pair has a lower duty, economical stab-in heat exchangers may be utilized. | 11-10-2011 |
| 20110269620 | PROCESS FOR REGENERATING CATALYST IN A FLUID CATALYTIC CRACKING UNIT - One exemplary embodiment can be a process for regenerating catalyst in a fluid catalytic cracking unit. Generally, the process includes providing a feed to a riser of a reaction vessel, and providing a stream to a distributor positioned within a void proximate to an inlet receiving unregenerated catalyst in a regenerator. The feed can include at least one of a gas oil, a vacuum gas oil, an atmospheric gas oil, a coker gas oil, a hydrotreated gas oil, a hydrocracker unconverted oil, and an atmospheric residue | 11-03-2011 |
| 20110268622 | Integration of OTO Process with Direct DME Synthesis - Processes and systems for utilizing products from DME synthesis in converting oxygenates to olefins are provided that include removing a DME reactor effluent from a DME reactor, wherein the DME effluent includes DME, water, and methanol; separating carbon dioxide gas from the DME reactor effluent in a liquid gas separator to produce a degassed effluent stream. The processes and systems can include feeding the degassed effluent stream to an oxygenate to olefin reactor to produce an olefin containing effluent, wherein the olefin containing effluent further includes oxygenates. Alternatively, the processes and systems can include providing the degassed effluent stream to a DME column to produce a DME feedstock and a solvent stream, wherein the solvent stream includes methanol and water; feeding the DME feedstock to an oxygenate to olefin reactor to produce an olefin containing effluent, wherein the olefin containing effluent further includes oxygenates; and contacting at least a portion of the olefin containing effluent with the solvent stream in a solvent contacting zone to produce an olefin containing raffinate stream and an oxygenate containing extract. | 11-03-2011 |
| 20110266131 | Heat Pump Distillation - A distillation column is disclosed. The column includes a plurality of rectification zones and corresponding stripping zones. Each rectification zone is linked to a heat pump or a stage of a heat pump. Overhead material from the top rectification zone is compressed and used to heat bottoms liquid from the bottom stripping zone. Similarly, overhead material from a lower rectification zone is compressed and used to heat liquid taken from the uppermost or top stripping zone. Optionally, overhead material from a middle rectification zone is compressed and used to heat liquid from a middle stripping zone. A single multiple stage heat pump compressor may be utilized as opposed to a plurality of heat pumps. Because the heat exchanger from each rectification-stripping zone pair has a lower duty, economical stab-in heat exchangers may be utilized. | 11-03-2011 |
| 20110245570 | Conversion of Butylene to Propylene Under Olefin Metathesis Conditions - Processes for the conversion, under conditions and with a catalyst system effective for olefin metathesis, of hydrocarbon feedstocks comprising butylene, for example all or a large proportion of a single C | 10-06-2011 |
| 20110245569 | Conversion of Acyclic Symmetrical Olefins to Higher and Lower Carbon Number Olefin Products - Processes for the conversion, under conditions and with a catalyst system effective for olefin metathesis, of hydrocarbon feedstocks comprising an acyclic symmetrical olefin (e.g., butene-2) are described. Olefin products of lower and higher carbon numbers (e.g., propylene and pentene) are formed in the presence of a catalyst comprising a solid support and a tungsten hydride bonded to alumina present in the support. This occurs despite the olefin metathesis reaction mechanism leading to a degenerative result, without any expected production of different carbon number products from acyclic symmetrical olefins. | 10-06-2011 |
| 20110245567 | PROCESS FOR OLIGOMERIZING DILUTE ETHYLENE - The process converts ethylene in a dilute ethylene stream that may be derived from an FCC product to heavier hydrocarbons. The oligomerization reactor is in communication between a primary absorber column and a secondary absorber column in an FCC product recovery section. The oligomerization catalyst may have a low silica base with a Group VIIIB metal and operate at low pressure without excessive deactivation. The catalyst is resistant to feed impurities such as hydrogen sulfide, carbon oxides, hydrogen and ammonia. At least 40 wt-% of the ethylene in the dilute ethylene stream can be converted to heavier hydrocarbons. | 10-06-2011 |
| 20110245566 | PROCESS FOR XYLENE AND ETHYLBENZENE ISOMERIZATION USING UZM-35HS - Xylene and ethylbenzene isomerization process is catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 10-06-2011 |
| 20110245565 | Process for Xylene and Ethylbenzene Isomerization Using UZM-35 - Xylene and ethylbenzene isomerization process is catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 10-06-2011 |
| 20110245564 | PROCESSES USING UZM-37 ALUMINOSILICATE ZEOLITE - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 10-06-2011 |
| 20110245563 | AROMATIC ALKYLATION PROCESS USING UZM-37 ALUMINOSILICATE ZEOLITE - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 10-06-2011 |
| 20110245560 | Olefin Metathesis Reactant Ratios Used with Tungsten Hydride Catalysts - Processes for olefin metathesis, for example for the production of propylene, utilize a catalyst comprising a solid support and a tungsten hydride bonded to alumina present in the support. Conversion, selectivity, and/or catalyst stability advantages may be realized when a first olefin reactant (e.g., ethylene) is present in the hydrocarbon feedstock at a stoichiometric deficit relative to a second, higher carbon number olefin reactant (e.g., butylene). | 10-06-2011 |
| 20110245559 | PROCESS FOR INCREASING WEIGHT OF OLEFINS - The process converts FCC olefins to heavier compounds. The heavier compounds are more easily separated from the unconverted paraffins. The heavier compounds can be recycled to an FCC unit or delivered to a separate FCC unit. Suitable conversion zones are oligomerization and aromatic alkylation zones. | 10-06-2011 |
| 20110245558 | Cumene Production with High Selectivity - Cumene production methods are disclosed, based on the alkylation of benzene with propylene, in which byproducts of the alkylation reaction are advantageously reduced to achieve a high cumene selectivity. This may be attained by (i) reducing the portion of the total alkylation effluent that is recycled, after cooling, to the alkylation reaction zone for quenching or direct heat exchange and/or (ii) reducing the benzene:propylene molar ratio of the alkylation feedstock. To manage the temperature differential across catalyst bed(s) in the alkylation reaction zone, indirect heat exchange may be used to remove heat. | 10-06-2011 |
| 20110245557 | Multi-Stage Fluidized Bed Reactor for Dehydrogenation of Hydrocarbons - A reactor design and process for the dehydrogenation of hydrocarbons is presented. The reactor design includes a multibed catalytic reactor, where each of the reactor beds are fluidized. The catalyst in the reactor cascades through the reactor beds, with fresh catalyst input into the first reactor bed, and the spent catalyst withdrawn from the last reactor bed. The hydrocarbon feedstream is input to the reactor beds in a parallel formation, thereby decreasing the thermal residence time of the hydrocarbons when compared with a single bed fluidized reactor, or a series reactor scheme. | 10-06-2011 |
| 20110245556 | Ethylene Production By Steam Cracking of Normal Paraffins - A simulated moving bed adsorptive separation process for preparing the separate feed streams charged to naphtha reforming unit and a steam cracking unit has been developed. The feed stream to the overall unit is passed into the adsorptive separation unit. The desorbent in the adsorptive separation is C12 hydrocarbons. The simulated moving bed adsorptive separation separates the components of the feed stream into a normal paraffin stream, which is charged to the steam cracking process, and non-normal hydrocarbons which are passed into a reforming zone. The desorbent is readily separated from the normal paraffin stream and from the non-normal paraffin stream and the simulated moving bed adsorption zone is operated at an A/Fn ratio of from about 0.90 to about 0.92. | 10-06-2011 |
| 20110245555 | TETRAMER PRODUCTION APPARATUS AND PROCESS RELATING THERETO - One exemplary embodiment can be a tetramer production apparatus. The apparatus can include a fractionation zone and an oxygenate removal zone. The fractionation zone can produce a distillation product including one or more C6 hydrocarbons for producing one or more C12 compounds. The oxygenate removal zone may remove one or more oxygenate compounds from the distillation product passed through the oxygenate removal zone. | 10-06-2011 |
| 20110245553 | PRODUCTION OF DIESEL FUEL FROM BIORENEWABLE FEEDSTOCKS WITH SELECTIVE SEPARATION OF CONVERTED OXYGEN - A process has been developed for producing diesel boiling range fuel from renewable feedstocks such as fats and oils from plants and animals where the process provides for sulfur-component management. The process involves catalytically treating a renewable feedstock by hydrogenating and deoxygenating to provide a hydrocarbon fraction useful as a diesel boiling range fuel. A selective separation such as a hot high pressure hydrogen stripper may be used to remove at least the carbon oxides from the first zone effluent and provide a liquid recycle stream at pressure and temperature. A vapor stream is separated from the net process effluent and at least carbon dioxide is removed using at least one selective or flexible amine absorber. The resulting hydrogen-rich stream is recycled to the reaction zone. | 10-06-2011 |
| 20110245551 | USE OF A GUARD BED REACTOR TO IMPROVE CONVERSION OF BIOFEEDSTOCKS TO FUEL - The present invention involves a process for processing an acidic biorenewable feedstock comprising olefins, in which the acidic biorenewable feedstock is diluted with a deoxygenated feed to produce a diluted biorenewable feedstock and then is sent through a guard bed comprising a hydroprocessing catalyst to cause the olefins to be saturated with hydrogen and thereby to produce a treated biorenewable feedstock. This treated biorenewable feedstock can then be treated under standard hydroprocessing condition to produce an upgraded feedstock for transportation fuels. | 10-06-2011 |
| 20110245452 | Integrated Underwater Melt Cutting, Solid-State Polymerization Process - Methods for solid-state polymerization (SSP) and more particularly to providing partially crystallized polyester resin, or prepolymer, to an SSP reactor using underwater melt cutting are disclosed. The methods are preferably integrated with nitrogen purification of the SSP reactor effluent to provide nitrogen streams for stripping and/or preheating of pellets from underwater melt cutting. | 10-06-2011 |
| 20110245067 | SURFACE-MODIFIED ZEOLITES AND METHODS FOR PREPARING THE SAME - Surface-modified zeolites and methods for preparing surface-modified zeolites are provided. A hybrid polymer formed from a silicon alkoxide and a metal alkoxide, a co-monomer, or both, is contacted with a zeolite suspension. The zeolite suspension comprises a sodium-, an ammonium-, or a hydrogen-form zeolite and a solvent. The hybrid polymer and zeolite suspension are contacted under conditions sufficient to deposit hybrid polymer on external surfaces of the zeolite to form a treated zeolite. Solvent is removed therefrom. The treated zeolite is dried and calcinated to form a dried and calcinated treated zeolite. Forming of the zeolite suspension and the contacting, removing, drying, and calcinating steps are provided in one selectivation sequence to produce a surface-modified zeolite from the ammonium-form zeolite and the hydrogen-form zeolite. If the dried and calcinated treated zeolite is a sodium-form zeolite, the sodium is exchanged with ammonium and then additionally dried and calcinated. | 10-06-2011 |
| 20110243839 | UZM-37 Aluminosilicate Zeolite - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 10-06-2011 |
| 20110243838 | UZM-37 Aluminosilicate Zeolite Method of Preparation - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 10-06-2011 |
| 20110243824 | CATALYST SUPPORTS - This invention relates to a catalyst material, and its method of making and manufacture, useful for a diversity of chemical production processes as well as various emission control processes. More specifically, it relates to a catalyst composition, preferably comprising a metal oxide felt substrate, with one or more functional surface active constituents integrated on and/or in the substrate surface, which can be used in the removal of sulfur and sulfur compounds from hot gases as well as acting to trap solid particulates and trace metals within these hot gases. | 10-06-2011 |
| 20110243807 | UTILIZATION OF BAFFLES IN CHLORINATION ZONE FOR CONTINUOUS CATALYST REGENERATION - Catalyst regeneration vessels including a chlorination zone that includes an outer mixing chamber, an inner mixing chamber, and a catalyst bed. The outer mixing chamber can include a lower portion and an upper portion, the lower portion of the outer mixing chamber including at least one air nozzle that injects a drying air stream into the outer mixing chamber, at least one chlorine input nozzle that injects a chlorine input stream into the outer mixing chamber, and at least a first baffle. The chlorination zone can also contain a second baffle that directs the mixed drying air stream and chlorine input stream from the outer mixing chamber to the inner mixing chamber. | 10-06-2011 |
| 20110243799 | APPARATUS FOR INCREASING WEIGHT OF OLEFINS - The apparatus converts FCC olefins to heavier compounds. The heavier compounds are more easily separated from the unconverted paraffins. The heavier compounds can be recycled to an FCC unit or delivered to a separate FCC unit. Suitable conversion zones are oligomerization and aromatic alkylation zones. | 10-06-2011 |
| 20110243798 | Multi-Stage Fluidized Bed Reactor for Dehydrogenation of Hydrocarbons - A reactor design and process for the dehydrogenation of hydrocarbons is presented. The reactor design includes a multibed catalytic reactor, where each of the reactor beds are fluidized. The catalyst in the reactor cascades through the reactor beds, with fresh catalyst input into the first reactor bed, and the spent catalyst withdrawn from the last reactor bed. The hydrocarbon feedstream is input to the reactor beds in a parallel formation, thereby decreasing the thermal residence time of the hydrocarbons when compared with a single bed fluidized reactor, or a series reactor scheme. | 10-06-2011 |
| 20110243797 | APPARATUS FOR OLIGOMERIZING DILUTE ETHYLENE - The apparatus converts ethylene in a dilute ethylene stream that may be derived from an FCC product to heavier hydrocarbons. The oligomerization reactor is in communication between a primary absorber column and a secondary absorber column in an FCC product recovery section. The oligomerization catalyst may have a low silica base with a Group VIIIB metal and operate at low pressure without excessive deactivation. The catalyst is resistant to feed impurities such as hydrogen sulfide, carbon oxides, hydrogen and ammonia. At least 40 wt-% of the ethylene in the dilute ethylene stream can be converted to heavier hydrocarbons. | 10-06-2011 |
| 20110240525 | Distillation Column Pressure Control - Methods and systems for controlling the pressure of distillation columns, for example those operating under vacuum pressure and conventionally equipped with a steam ejector system, are described. Representative distillation columns are used in the separation of thermally unstable components, such as the physical solvent sulfolane, having relatively low volatility. Such columns are employed in aromatic hydrocarbon extraction processes for the recovery of purified C | 10-06-2011 |
| 20110240522 | HYDROPROCESSING METHOD, OR AN APPARATUS RELATING THERETO - One exemplary embodiment can be a hydroprocessing method. The hydroprocessing method can include providing a feed and a stream including hydrogen to a vessel. The vessel may have a catalyst collector and an internal riser. Generally, a catalyst circulates within the vessel by at least partially rising within the internal riser. | 10-06-2011 |
| 20110240519 | PROCESS AND APPARATUS FOR ALKYLATING AND HYDROGENATING A LIGHT CYCLE OIL - One exemplary embodiment can be a process for alkylating and hydrogenating a light cycle oil. The process can include passing the light cycle oil, one or more C2-C6 alkenes, and hydrogen through a reaction vessel containing an alkylation zone and a hydrogenation zone. Generally, the hydrogen is at least partially comprised from a hydrocarbon product stream from a fluid catalytic cracking zone. | 10-06-2011 |
| 20110239862 | Vapor-Liquid Contacting Apparatuses Having a Secondary Absorption Zone with Vortex Contacting Stages - Vapor-liquid contacting apparatuses comprising both a primary absorption zone and a secondary absorption zone comprising a plurality of vortex contacting stages are described. The apparatuses provide improved heat and mass transfer between vapor and liquid phases in processes such as absorption, to selectively solubilize contaminants (e.g., acid gases) from an impure vapor (e.g., sour natural gas). Vortex contacting stage(s) in a zone of vapor-liquid contacting, such as a secondary or finishing absorption zone, are used following bulk absorption in a primary or main absorption zone. | 10-06-2011 |
| 20110239532 | HYDROCARBON COMPOSITION USEFUL AS A FUEL AND FUEL OIL CONTAINING A PETROLEUM COMPONENT AND A COMPONENT OF A BIOLOGICAL ORIGIN - The invention relates to a hydrocarbon composition, which can be used as a fuel and/or fuel oil, containing a petroleum component (A) and a component of a biological origin (B), wherein the component of a biological origin is present in a quantity of up to 75% by volume with respect to the total composition. Said component of a biological origin (B) is prepared starting from a mix of a biological origin (C) containing esters of fatty acids, with possible aliquots of free fatty acids, by means of a process which comprises the following steps: 1) hydrodeoxygenation of the mix of a biological origin; 2) hydroisomerization of the mix resulting from step (1), after possible water and gas flow separation, wherein said hydroisomerization is preferably carried out in the presence of a catalytic system comprising: a) a carrier of an acidic nature, comprising a completely amorphous micro-mesoporous silica-alumina, with a SiO | 10-06-2011 |
| 20110239530 | USE OF WELL MIXED, BACKMIXED REACTORS FOR PROCESSING OF UNSTABLE BIO FEEDSTOCKS - In the present invention, pyrolysis oil is processed in a well mixed or a back mixed reactor to prevent the plugging up of a reactor that otherwise occurs. The pyrolysis oil can then be further upgraded in a hydroprocessing reactor through use of an appropriate catalyst. | 10-06-2011 |
| 20110237852 | PRODUCTION OF DIESEL FUEL FROM BIORENEWABLE FEEDSTOCKS WITH SELECTIVE SEPARATION OF CONVERTED OXYGEN - A process has been developed for producing diesel boiling range fuel from renewable feedstocks such as plant and animal fats and oils, the process providing for sulfur management. The process involves catalytically treating a renewable feedstock by hydrogenating and deoxygenating to provide a hydrocarbon fraction useful as a diesel boiling range fuel. The hydrocarbon fraction is isomerized to improve cold flow properties. A selective separation such as a hot high pressure hydrogen stripper is used to remove at least the carbon oxides from the first zone effluent before entering the isomerization zone, and to provide liquid recycle to the treating zone at pressure and temperature. A vapor stream is separated from the isomerization effluent and at least carbon dioxide is removed using at least one selective or flexible amine solution absorber. The resulting hydrogen-rich stream is recycled to the deoxygenation reaction zone | 09-29-2011 |
| 20110232486 | Adsorbent Media with Li Exchanged Zeolite - An adsorbent media composition has a finished media lithium-exchanged zeolite X (LiX) with a finished Li content in a range from 96% to 83%, based on the total cation equivalents in the LiX. The adsorbent media composition is obtained from a slurry comprising water, a LiX precursor having a pre-media production Li content that is greater than the finished media LiX Li content, and another media component material, such as fibers. The water used to produced the media has a specific conductance in a range from 2.2 μSiemens/cm to 150 μSiemens/cm. The finished media LiX has a monovalent cation (Na, K, Rb, Cs and combinations thereof) in a range from 0.05% to 3%, based on the total equivalents of exchangeable cations in the finished media LiX. | 09-29-2011 |
| 20110232166 | LOW OXYGEN BIOMASS-DERIVED PYROLYSIS OILS AND METHODS FOR PRODUCING THE SAME - Methods are provided for producing low oxygen biomass-derived pyrolysis oil from carbonaceous biomass feedstock. In an embodiment, hydrogen gas is produced in the presence of a low temperature reforming catalyst from hemicellulose extracted from the carbonaceous biomass feedstock. The carbonaceous biomass feedstock, both whole and hemicellulose-depleted, is pyrolyzed in the presence of a pyrolysis upgrading catalyst to produce char and pyrolysis gases comprising oxygenated hydrocarbons and steam. A portion of the oxygenated hydrocarbons are converted into hydrocarbons. A residual portion of the oxygenated hydrocarbons of the pyrolysis gases is deoxygenated with the hydrogen and optionally, additional hydrogen gas. A condensable portion of the pyrolysis gases is condensed into low oxygen biomass-derived pyrolysis oil. | 09-29-2011 |
| 20110230698 | Reactor Flowscheme for Dehydrogenation of Propane to Propylene - A process for the dehydrogenation of paraffins is presented. The process utilizes a rapid recycling of dehydrogenation catalyst between the dehydrogenation reactor and the catalyst regeneration unit. The process comprises preheating a combined hydrogen and paraffin hydrocarbon feedstream and passing the combined stream to a dehydrogenation reactor. The hydrocarbon feedstream and the catalyst pass through the reactor at a rate to limit the average residence time of the catalyst in the reactor. The catalyst is cycled to a regeneration unit, and passed through the regeneration unit to limit the average residence time of the catalyst in the regeneration unit. | 09-22-2011 |
| 20110230697 | PROCESS FOR CATALYTIC CRACKING OF HYDROCARBONS USING UZM-35HS - Catalytic cracking processes such as fluidized catalytic cracking, naphtha cracking, and olefin cracking are catalyzed by the UZM-35 family of crystalline aluminosilicate zeolites represented by the empirical formula: | 09-22-2011 |
| 20110230695 | SELECTIVE AROMATICS ISOMERIZATION PROCESS - This invention is drawn to a process for isomerizing a non-equilibrium mixture of xylenes and ethylbenzene using a catalyst comprising a zeolite having specific particle-size characteristics, a platinum-group metal and a silica binder. A relatively minimal amount of hydrogen is supplied to the process on a once-through basis, resulting in low saturation of aromatics while achieving effective xylene isomerization with reduced processing costs. | 09-22-2011 |
| 20110230693 | TRACE-SULFUR REMOVAL FROM HYDROCARBON STREAMS - A process for removing trace-sulfur compounds, particularly thiophene, from aromatic hydrocarbon streams is disclosed and claimed. The process involves contacting the stream with a catalyst/adsorbent comprising a solid acid and a metal component. The process yields a sulfur-free aromatic feedstock suitable for further processing by, e.g., alkylation. | 09-22-2011 |
| 20110230333 | Olefin Cracking Catalyst and Manufacturing Process - A new catalyst and method of preparing the catalyst is presented. The catalyst is a molecular sieve used for cracking olefins, and has improved selectivity to increase propylene yields and to reduce the amount of aromatics and methane produced. The catalyst been ion-exchanged to reduce the alkali composition in the catalyst. | 09-22-2011 |
| 20110226604 | APPARATUS FOR SEPARATING PARA-XYLENE FROM A MIXTURE OF C8 AND C9 AROMATIC HYDROCARBONS - The apparatus includes at least two adsorptive separation zones to separate para-xylene from a feed stream comprising C8 aromatic hydrocarbons and at least one C9 aromatic hydrocarbon component. The first adsorptive separation zone delivers a raffinate stream to a raffinate distillation zone and an extract stream to an extract distillation zone. The raffinate distillation zone delivers a stream to the second adsorptive separation zone and at least one of the extract distillation zone and raffinate distillation zone delivers a recycle stream to the first adsorptive separation zone. | 09-22-2011 |
| 20110207981 | ALKYLATION PROCESS USING CATALYSTS WITH LOW OLEFIN SKELETAL ISOMERIZATION ACTIVITY - A process is presented for the production of linear alkylbenzenes. The process includes contacting an aromatic compound with an olefin in the presence of a selective zeolite catalyst. The catalyst includes two zeolites combined to improve the linearity, and to produce detergent grade LAB. The two zeolites are selected to limit skeletal isomerization while producing a desired 2-phenyl content for the LAB. | 08-25-2011 |
| 20110198267 | ADVANCED ELEVATED FEED DISTRIBUTION APPARATUS AND PROCESS FOR LARGE DIAMETER FCC REACTOR RISERS - An FCC process and apparatus may include injecting hydrocarbon feedstock at different radial positions while at the same elevation inside a riser. Multiple distributors may be used to position the tips for injecting feedstock at multiple radial positions. The distributors with tips more deeply positioned in the riser will penetrate a dense catalyst column we discovered generates in risers of larger diameter over 1.3 meters. | 08-18-2011 |
| 20110196185 | Acid Washed Silica Supported Catalysts and Their Use in Olefin Metathesis - Acid washing of silica supports, used for supported tungsten catalysts, improves the activity of the resulting catalyst (i.e., its conversion level at a given temperature) for the metathesis of olefins, without compromising its selectivity to the desired conversion product(s). Exemplary catalysts and processes include those for the production of valuable light olefins such as propylene from a hydrocarbon feedstock comprising ethylene and butylene. | 08-11-2011 |
| 20110196184 | Support Properties of Silica Supported Catalysts and Their Use in Olefin Metathesis - Silica supports having a surface area from about 250 m | 08-11-2011 |
| 20110178357 | UZM-35 ALUMINOSILICATE ZEOLITE, METHOD OF PREPARATION AND PROCESSES USING UZM-35 - A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. | 07-21-2011 |
| 20110172088 | Functional Surface Catalyst Composition - A catalyst composition, useful for a diversity of chemical production processes, preferably comprises a glass substrate, with one or more functional surface active constituents integrated on and/or in the substrate surface. A substantially nonporous acid resistant glass substrate has (i) a total surface area between about 0.01 m | 07-14-2011 |
| 20110160505 | Production of Diesel Fuel from Crude Tall Oil - A process has been developed for producing diesel fuel from crude tall oil. The process involves treating a renewable feedstock by hydrogenating and deoxygenating to provide a diesel boiling range fuel hydrocarbon product. If desired, the hydrocarbon product can be isomerized to improve cold flow properties. A portion of the hydrocarbon product is recycled to the treatment zone to increase the hydrogen solubility of the reaction mixture. | 06-30-2011 |
| 20110158859 | PROCESS FOR ISOMERIZING A NON-EQUILIBRIUM ALKYLAROMATIC FEED MIXTURE AND AN AROMATIC PRODUCTION FACILITY - One exemplary embodiment can be a process for the isomerization of a non-equilibrium alkylaromatic feed mixture. The process can include contacting the non-equilibrium alkylaromatic feed mixture in a C8 isomerization zone. The C8 isomerization zone may include a first isomerization stage and a second isomerization stage. At the first isomerization stage, at least a portion of the non-equilibrium alkylaromatic feed mixture can be contacted at a first isomerization condition in a liquid phase in the substantial absence of hydrogen to obtain an intermediate stream. At the second isomerization stage, at least part of the intermediate stream and at least a part of a stream rich in at least one naphthene can be contacted at a second isomerization condition to obtain a concentration of at least one alkylaromatic isomer that is higher than a concentration of that at least one alkylaromatic isomer in the non-equilibrium feed mixture. | 06-30-2011 |
| 20110155670 | METHOD FOR REMOVING HYDROFLUORIC ACID AND ORGANIC FLUORIDES FROM A FLUID STREAM - A method is provided for removing HF and organic fluorides from fluid streams in which the fluoride species exist as impurities and, in particular, from hydrocarbon fluid streams containing no more than about 1.0% by weight total fluorides. The method consists of first contacting the fluid stream with a nonpromoted alumina and then with an adsorbent consisting essentially of activated alumina that has been treated with a promoter material selected from the oxides and phosphates of alkali metals and alkaline earth metals, and mixtures thereof. This is preferably accomplished by providing a suitable absorber vessel charged with the adsorbent in a fixed bed, and then contacting the fluoride-contaminated fluid through the fixed bed. | 06-30-2011 |
| 20110155647 | PROCESS FOR DE-ACIDIFYING HYDROCARBONS - A process for de-acidifying a hydrocarbon feed includes contacting the hydrocarbon feed containing an organic acid with a feed-immiscible phosphonium ionic liquid to produce a hydrocarbon and feed-immiscible phosphonium ionic liquid mixture; and separating the mixture to produce a hydrocarbon effluent having a reduced organic acid content relative to the hydrocarbon feed. Optionally, a de-emulsifier is added to at least one of the contacting and separating steps. | 06-30-2011 |
| 20110155645 | PROCESS FOR REMOVING METALS FROM CRUDE OIL - A process for removing a metal from a crude oil includes contacting the crude oil containing the metal with a crude-immiscible ionic liquid to produce a crude oil and crude-immiscible ionic liquid mixture, and separating the mixture to produce a crude oil effluent having a reduced metal content relative to the crude oil feed. Optionally, a de-emulsifier is added to at least one of the contacting and separating steps. | 06-30-2011 |
| 20110155644 | PROCESS FOR REMOVING METALS FROM VACUUM GAS OIL - A process for removing a metal from a vacuum gas oil feed includes contacting the vacuum gas oil feed comprising the metal with a VGO-immiscible ionic liquid to produce a vacuum gas oil and VGO-immiscible ionic liquid mixture, and separating the mixture to produce a vacuum gas oil effluent having a reduced metal content relative to the vacuum gas oil feed. | 06-30-2011 |
| 20110155638 | PROCESS FOR REMOVING SULFUR FROM VACUUM GAS OIL - A process for removing a sulfur compound from a vacuum gas oil feed includes contacting the vacuum gas oil feed comprising the sulfur compound with a VGO-immiscible ionic liquid to produce a vacuum gas oil and VGO-immiscible ionic liquid mixture, and separating the mixture to produce a vacuum gas oil effluent having a reduced sulfur content relative to the vacuum gas oil feed. | 06-30-2011 |
| 20110155637 | PROCESS FOR REMOVING NITROGEN FROM VACUUM GAS OIL - A process for removing a nitrogen compound from a vacuum gas oil feed includes contacting the vacuum gas oil feed comprising the nitrogen compound with a VGO-immiscible phosphonium ionic liquid to produce a vacuum gas oil and VGO-immiscible phosphonium ionic liquid mixture, and separating the mixture to produce a vacuum gas oil effluent having a reduced nitrogen content relative to the vacuum gas oil feed. | 06-30-2011 |
| 20110155635 | PROCESS FOR REMOVING METALS FROM RESID - A process for removing a metal from a resid feed includes contacting the resid feed comprising the metal with a resid-immiscible ionic liquid to produce a resid and resid-immiscible ionic liquid mixture, and separating the mixture to produce a resid effluent having a reduced metal content relative to the resid feed. | 06-30-2011 |
| 20110155634 | PROCESS FOR UPGRADING FCC PRODUCT WITH ADDITIONAL REACTOR WITH CATALYST RECYCLE - A process is disclosed for contacting feed with mixed catalyst in a secondary reactor that is incorporated into an FCC reactor. The mixed catalyst used in the secondary reactor is regenerated catalyst from a regenerator that regenerates spent catalyst from an FCC reactor that is mixed with spent catalyst from either the FCC reactor or the secondary reactor. The mixing of spent and regenerated catalyst reduces the catalyst temperature and tempers catalyst activity to inhibit both thermal and catalytic cracking reactions. | 06-30-2011 |
| 20110152591 | SOLID CATALYST HYDROCARBON CONVERSION PROCESS USING STACKED MOVING BED REACTORS - Systems and processes for hydrocarbon conversion are provided that utilize a plurality of moving bed reactors. The reactors may be moving bed radial flow reactors. Optional mixers that mix a portion of a second hydrocarbon feed with the effluent stream from an upstream reactor, to produce reactor feed streams may be employed, and the reactor feed streams may be introduced at injection points prior to each reactor. Catalyst can be provided from the reaction zone of one reactor to the reaction zone of a downstream reactor through catalyst transfer pipes, and can be regenerated after passing through the reaction zones of the reactors. The moving bed reactors can be stacked in one or more reactor stacks. | 06-23-2011 |
| 20110152590 | SOLID CATALYST HYDROCARBON ALKYLATION USING STACKED MOVING BED RADIAL FLOW REACTORS - Systems and processes for the alkylation of a hydrocarbon are provided that utilize a plurality of moving bed radial flow reactors. An olefin injection point can be provided prior to each reactor by providing a mixer that mixes olefin with a hydrocarbon feed, or with the effluent stream from an upstream reactor, to produce a reactor feed stream. Catalyst can be provided from the reaction zone of one reactor to the reaction zone of a downstream reactor through catalyst transfer pipes, and can be regenerated after passing through the reaction zones of the reactors. The moving bed radial flow reactors can be stacked in one or more reactor stacks. | 06-23-2011 |
| 20110152589 | Adsorbing Polynuclear Aromatics From a Reforming Process Using Adsorbents Containing Iron - An exemplary embodiment can be a process for removing one or more polynuclear aromatics from at least one reformate stream from a reforming zone. The PNAs may be removed using an adsorption zone. The adsorption zone can include first and second vessels each vessel containing an activated carbon adsorbent. Generally, the process includes passing the at least a portion of an effluent of the reforming zone through the first vessel containing a first activated carbon adsorbent wherein the first activated carbon adsorbent comprises iron. | 06-23-2011 |
