Class / Patent application number | Description | Number of patent applications / Date published |
208251000 | Metal contaminant removal | 55 |
20080308464 | METHOD AND APPARATUS FOR REGENERATING ADSORBENTS USED IN THE PURIFICATION OF FUEL - A method of regenerating an adsorbent used to remove nickel and/or vanadium impurities from fuel comprise washing the adsorbent with a low boiling solvent, heating the adsorbent in a device to a temperature of about 300° C. to about 700 C wherein the adsorbent comprises nickel and/or vanadium impurities, and fluidly mixing the adsorbent with a carrier gas stream to remove at least a portion of the nickel and/or vanadium impurities from the adsorbent. | 12-18-2008 |
20090057202 | METHODS AND SYSTEMS FOR REMOVING VANADIUM FROM LOW-GRADE FUELS - A method for treating fuel containing vanadium including extracting vanadium from the fuel with an adsorption material and fractionating the fuel into a light oil fraction and a heavy fuel fraction. The light fuel fraction has a reduced amount of vanadium. Systems for fuel preparation are also provided. | 03-05-2009 |
20090120843 | Filtration Apparatus and Method - A filtration apparatus is disclosed for the removal of metals from jet fuel at high flow rates and limited pressure drops. The filter comprises a monolayer of immobilized chelating agent on packed silica gel. The filtration apparatus is particularly useful for the removal of copper from jet fuel. | 05-14-2009 |
20090152169 | Removal of metal contaminants from polyethylene - A process to remove metal contaminants from a hydrocarbon solution of polyethylene is disclosed. The process comprises adding a primary alcohol and a β-diketone to a solution of polyethylene at a temperature within the range of 120° C. to 300° C. and contacting the solution with basic alumina. The process removes metal contaminants and minimizes degradation and condensation products, which can have a detrimental effect on polyethylene properties. The process provides polyethylene with low metal residues and good properties. | 06-18-2009 |
20100000910 | SYSTEM AND METHOD FOR SEPARATING A TRACE ELEMENT FROM A LIQUID HYDROCARBON FEED - The present invention is generally directed to removing a trace element from a liquid hydrocarbon feed. The liquid hydrocarbon feed, containing the trace element, is mixed with the water along with a hydrocarbon-soluble additive. While being mixed, a compound, which in some cases is preferably insoluble, is formed by the hydrocarbon-soluble additive chemically reacting with the trace element. A phase separation device, such as a desalter or an oil-water separator, receives the oil-water emulsion containing the compound and resolves the mixture to produce the compound, effluent brine, and effluent liquid hydrocarbon with a reduced concentration of the trace element as compared to the liquid hydrocarbon feed. In some embodiments, the present invention is directed to removing elemental mercury from a liquid hydrocarbon feed. A hydrocarbon-soluble sulfur-containing additive, typically an organic polysulfide, is mixed with the liquid hydrocarbon feed and water. The hydrocarbon-soluble, sulfur-containing additive reacts with the mercury, rapidly forming an agglomeration of mercuric sulfide which is then dispensed with the effluent brine or the effluent liquid hydrocarbon. | 01-07-2010 |
20100032344 | MERCURY REMOVAL FROM CRUDE OIL - A process for decreasing the level of elemental mercury contained in a crude oil at the well site by separating the crude oil stream into a gaseous hydrocarbon stream containing hydrocarbons, mercury and water, and a liquid hydrocarbon stream containing hydrocarbons and elemental mercury; removing mercury from the gaseous hydrocarbon stream in a mercury removal unit, thereby forming a treated gas stream; contacting a recycle gas stream comprising a portion of the treated gas stream with at least a portion of the liquid hydrocarbon stream for transfer of at least a portion of the elemental mercury contained in the liquid hydrocarbon stream to the recycle gas stream; thereby forming a mercury rich gas stream, and a treated liquid hydrocarbon stream; and passing the mercury rich gas stream, along with the gaseous hydrocarbon stream, to the mercury removal unit, is disclosed. | 02-11-2010 |
20100032345 | MERCURY REMOVAL FROM CRUDE OIL - Methods and apparatus relate to removal of mercury from crude oil. Such removal relies on transferring mercury from a liquid hydrocarbon stream to a natural gas stream upon contacting the liquid hydrocarbon stream with the natural gas stream. Processing of the natural gas stream after used to strip the mercury from the liquid hydrocarbon stream removes the mercury from the natural gas stream. | 02-11-2010 |
20100078358 | MERCURY REMOVAL PROCESS - A process is disclosed for decreasing the level of elemental mercury contained in a liquid hydrocarbon stream by a) contacting the liquid hydrocarbon stream with a water stream containing an oxidizing agent for conversion of at least a portion of the Hg(0) to Hg(II); b) extracting at least a portion of the Hg(II) from the liquid hydrocarbon stream into the water stream, thereby forming a treated liquid hydrocarbon stream and a waste water stream containing water and Hg(II); and c) separating the treated liquid hydrocarbon stream from the waste water stream. | 04-01-2010 |
20100122938 | PROCESS FOR RECOVERING ULTRAFINE SOLIDS FROM A HYDROCARBON LIQUID - A method for separating and recovering ultrafine particulate solid material from a suspension or slurry of the solid material and a hydrocarbon liquid by precipitation or flocculation of a heavy fraction of the hydrocarbon liquid with an effective amount of a precipitation or flocculation agent such that the precipitated heavy fraction encapsulates the particulate solid material. The method further comprises coking the precipitated heavy fraction and grinding the coked product to an ultrafine size. | 05-20-2010 |
20110068048 | MERCURY REMOVAL WITH AMINE SORBENTS - Methods and apparatus relate to treatment of fluids to remove mercury contaminants in the fluid. Contact of the fluid with an amine that has absorbed a sulfur compound causes the mercury contaminants to be absorbed by the amine. Phase separation then removes from the fluid the amine loaded with the mercury contaminants such that a treated product remains. | 03-24-2011 |
20110089083 | METHOD FOR PURIFICATION OF UNCATALYZED NATURAL FUELS FROM METAL IONS BY MEANS OF AT LEAST ONE HEMEPROTEIN AND USE OF THE AT LEAST ON HEMEPROTEIN - A method for purification of uncatalyzed natural fuels in liquid state from metal ions by removing at least one compound selected from the group consisting of natural occurring contaminating porphyrins, metalloporphyrins, chlorins and naturally occurring degradations products of these compounds, such as petroporphyrins, containing said metal ions from the fuels. At least one hemeprotein in apo-form selected from the group consisting of globins, peroxidases, pyrrolases and cytochromes having high affinity for porphyrins is added to the fuels. The hemeprotein is mixed with the fuels in such a way that the porphyrins is bounded to the hemeprotein. The hemeprotein with bound contaminating porphyrins is removed so as to obtain purified fuels. The invention relates also to the use of at least one hemeprotein selected from the group consisting of globins, peroxidases, pyrrolases and cytochromes having high affinity for porphyrins for the purification of uncatalyzed natural fuels in liquid state from metal ions. | 04-21-2011 |
20120067784 | Process, Method, and System for Removing Heavy Metals from Fluids - Trace levels of heavy metals in fluids such as crude oil are reduced by contacting the crude oil with a composition comprising a compound of Formula (I), | 03-22-2012 |
20130043166 | REMOVAL OF MERCURY AND MERCURIC COMPOUNDS FROM CRUDE OIL STREAMS - The invention is directed towards a method of removing mercury bearing species from a hydrocarbon containing fluid. The method comprises the steps of: i) adding dithiocarbamate polymer to the fluid in an amount such that the number of mercury bonding sites on the polymer exceeds the amount of mercury atoms by at least 10% and ii) removing the mercury bearing dithiocarbamate polymer with a water/oil separation device. The invention relies upon an unexpected reversal in the solubility of dithiocarbamate polymer at very high concentrations. Because of the high solubility the polymer remains within the water phase of the hydrocarbon fluid and can be removed without the need for cumbersome precipitation methods and complicated solid liquid separation devices. As a result, the invention allows mercury contaminated crude oil to be easily rid of its mercury with easy to use equipment already present in a typical oil refinery. | 02-21-2013 |
20130180887 | PROCESS AND AGENTS TO REMOVE METALS FROM HIGH-BOILING HYDROCARBON FRACTIONS - The object of the invention is a process and agents to remove metal contaminants from hydrocarbon fractions like those obtained as a product from the Fischer-Tropsch synthesis involving the use of suspended catalyst. As per the present invention, the feed hydrocarbon fraction is treated with a demetallizing agent, comprising at least one sulfur source and at least one basic compound, under anhydrous conditions. The metals to be removed are obtained in the form of precipitate that can be easily separated by means of a mechanical separation process such as filtration, for example. | 07-18-2013 |
20130228497 | SYSTEMS AND METHODS FOR FILTERING METALS FROM FLUIDS - A method of processing a liquid having magnetic particles includes increasing a magnetic particle content in at least a portion of the liquid; forming an effluent using the portion of the liquid that has the increased magnetic particle content; and filtering the effluent using a magnetic field. | 09-05-2013 |
20130306521 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace amount levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with a sufficient amount of a reducing agent to convert at least a portion of the non-volatile mercury into a volatile form of mercury, which can be subsequently removed by any of stripping, scrubbing, adsorption, and combinations thereof. In one embodiment, at least 50% of the mercury is removed. In another embodiment, the removal rate is at least 99%. In one embodiment, the reducing agent is selected from sulfur compounds containing at least one sulfur atom having an oxidation state less than +6; ferrous compounds; stannous compounds; oxalates; cuprous compounds; organic acids which decompose to form CO | 11-21-2013 |
20140262954 | Process, Method, and System for Removing Heavy Metals from Oily Solids - Oil is recovered from a mercury containing Hg-containing solids containing abradants by mixing the solids with a sulfidic compound in a molar ratio of sulfur compound to mercury from 5:1 to 5,000:1, and the sulfidic compound when dissolved in water, yields S2-, SH—, Sx2-, or SxH— anions, and optionally a solvent, forming a mixture. The mixture is then separated to recover a first phase containing treated oil in water, and a second phase containing treated abradants having a reduced concentration of mercury. In one embodiment, the treated abradants contain less than 100 ppmw mercury. The abradants are provided by removing at least a portion of a mercury-containing coating from a surface by abradant blasting, laser ablation, laser thermal desorption, and sponge jet blasting. | 09-18-2014 |
20140262955 | Process, Method, and System for Removing Heavy Metals from Fluids - Trace element levels of mercury in crude oil are reduced by first passing the crude oil through a filtration device to generate filtered crude having a reduced concentration of mercury and a reject stream having a concentrated mercury level. In one embodiment, the filtration device is back-flushed to generate the reject stream. In another embodiment, the reject stream comprises a portion of the retentate from a cross-flow filter device. The reject stream is treated with an extractive agent selected from tetrakis(hydroxymethyl)phosphonium sulfate; tetrakis(hydroxymethyl) phosphonium chloride; an oxidizing agent; an organic or inorganic sulfidic compound to extract a portion of the mercury into a water phase for subsequent removal. In one embodiment, the extractive agent is a reductant to convert non-volatile mercury into volatile mercury. | 09-18-2014 |
20140339137 | METHODS FOR REMOVING METALS AND CATIONS THEREOF FROM OIL-BASED FLUIDS - An effective amount of a hydrazine complexing agent and/or a non-hydrazine complexing agent may be added to an oil-based fluid having at least one metal. The complexing agent may form an insoluble metal complex with the metal(s). The metal(s) may be or include, but are not limited to zinc metal, nickel metal, iron metal, cations thereof, and combinations thereof. The insoluble metal complex may be or include, but is not limited to a zinc complex, a nickel complex, an iron complex, and combinations thereof. The insoluble metal complex may be removed from the oil-based fluid where the metal may be separated from the insoluble metal complex. | 11-20-2014 |
20150076035 | Process, Method, and System for Removing Heavy Metals From Fluids - Mercury in distilled products from a distillation column is removed and extracted as soluble mercury compounds with the injection of a complexing agent into the overhead sections of the column. Examples of complexing agents include polysulfides such as sodium polysulfide or ammonium polysulfide. In one embodiment, the complexing agent is injected into the inlet pipe just before the overhead condenser, converting the volatile elemental mercury into a species that is soluble in the sour water stream that collected in the overhead sections. | 03-19-2015 |
20150108040 | REMOVING MERCURY FROM CRUDE OIL USING A STABILIZER COLUMN - Methods, systems and designs are provided for removing mercury from crudes. Crude oil is heated to a temperature above 100° C. in a stabilization column for a time sufficient to convert all of the forms of mercury in the oil into the elemental mercury form. The elemental mercury is then stripped from the crude oil by flashing, or preferably by gas stripping with a gas injected at the bottom of the column. Either process transfers the elemental mercury from the oil phase into the gas phase. Elemental mercury can then be removed from the gas phase by methods such as condensation, precipitation, or absorption either alone or in combination. | 04-23-2015 |
20160053185 | PROCESS TO SEPARATE ALKALI METAL SALTS FROM ALKALI METAL REACTED HYDROCARBONS - A process to facilitate gravimetric separation of alkali metal salts, such as alkali metal sulfides and polysulfides, from alkali metal reacted hydrocarbons. The disclosed process is part of a method of upgrading a hydrocarbon feedstock by removing heteroatoms and/or one or more heavy metals from the hydrocarbon feedstock composition. This method reacts the oil feedstock with an alkali metal and an upgradant hydrocarbon. The alkali metal reacts with a portion of the heteroatoms and/or one or more heavy metals to form an inorganic phase containing alkali metal salts and reduced heavy metals, and an upgraded hydrocarbon feedstock. The inorganic phase may be gravimetrically separated from the upgraded hydrocarbon feedstock after mixing at a temperature between about 350° C. to 400° C. for a time period between about 15 minutes and 2 hours. | 02-25-2016 |
20160122658 | Process, Method, and System For Removing Heavy Metals From Fluids - Particulate mercury, in the form of metacinnabar, is removed from crude oil by thermally treating the crude oil at temperatures in a range from 150° C. to 350° C. and at a pressure sufficient to limit the amount of crude vaporizing to no more than 10 wt. %. In the thermal treatment, the particulate mercury is converted into elemental mercury, which can be removed by directly adsorption from the crude onto a support. In one embodiment, the elemental mercury can be removed by stripping the crude with a gas, and then adsorbing the mercury onto a support. The crude oil can be optionally treated prior to stabilization and contains 0.1 wt. % or more of C | 05-05-2016 |
20160177191 | METHOD FOR REMOVING MERCURY IN HYDROCARBON OIL | 06-23-2016 |
208252000 | With acid | 12 |
20090211946 | SYNERGISTIC ACID BLEND EXTRACTION AID AND METHOD FOR ITS USE - An extraction aid has been found which provides for enhanced contaminate removal, such as metals and amines, from crude oils that uses components that are desirable in desalting processes as the components are water soluble, have low toxicity, are highly biodegradeable and exhibit high thermal stability. According to one embodiment of the invention, an extraction aid that provides enhanced extraction properties is comprised of a blend of acids, particularly water soluble acids. More specifically, a combination of two acids chosen from the group consisting of acetic acid, sulfuric acid, glycolic acid, citric acid and methanesulfonic acid. | 08-27-2009 |
20090283449 | Method of removing metals from hydrocarbon feedstock using esters of carboxylic acids - Method of removing metals from hydrocarbon feedstock using esters of carboxylic acids, and additives for the same, are provided, wherein hydrocarbon stream such as crude oil containing metals and slats thereof, such as calcium and calcium naphthenate, is mixed with an effective metal-removing-amount of an aqueous extraction-solution of non-precipitating and non-fouling additive comprising a chemical compound selected from a group consisting of methyl or ethyl or propyl or isopropyl mono- and/or di-esters of any of three carboxylic acids, such as, maleic acid, maleic anhydride, or fumaric acid or an appropriate combination of said esters, or an appropriate combination of any of said esters with any of said three acids, enabling formation of a hydrocarbonous phase and an aqueous phase containing the metal ions; and separating aqueous phase. | 11-19-2009 |
20100025302 | MERCURY-REMOVAL ADSORBENT ,METHOD OF PRODUCING MERCURY-REMOVAL ADSORBENT, AND METHOD OF REMOVING MERCURY BY ADSORPTION - To provide mercury-removal adsorbents, a method of producing mercury-removal adsorbents, and a method of removing mercury by adsorption which are capable of realizing efficient removal of mercury by adsorption from liquid hydrocarbon, thermal power station exhaust combustion gas, natural gas, off gas of various process plants, and so on which contain mercuries in various forms such as elemental mercury, ionic mercury, and organic mercury, and a concomitant hindering mercury adsorption. | 02-04-2010 |
20100163457 | Method of removal of calcium from hydrocarbon feedstock - The invention relates to field of processing hydrocarbon feedstock including crude oil, wherein metals such as calcium are removed. In the face of the rising prices of crude oil, refiners are forced to process opportunity crudes such as DOBA, which pose many problems including fouling of equipment due to certain metallic salts, such as calcium napthenate. Calcium, which cannot be removed from crude oil during normal desalting process, poses very serious problems. The invention provides method for removal of calcium, wherein crude oil is mixed, with effective metal removing amount of aqueous extraction solution of an additive comprising a chemical compound selected from a group consisting of metallic acid, maleic anhydride or fumaric acid or salts or derivatives thereof, enabling separation of hydrocarboneous phase and aqueous phase containing metal ions, in crude desalter. Only hydrocarboneous phase devoid of calcium is processed further, thereby preventing fouling of equipment. | 07-01-2010 |
20110068049 | METHOD FOR REMOVING METALS AND AMINES FROM CRUDE OIL - A method of removing metals and amines from crude oil comprising adding an effective metal removing amount of one or more hydroxycarboxylic acids selected from lactic acid and malic acid and salts thereof to said crude oil; adding wash water to said crude oil; mixing said crude oil, acid and wash water to form an emulsion; and resolving said emulsion into an aqueous phase and crude oil having a reduced metals content. | 03-24-2011 |
20110120913 | Method and device for electrostatic desalter optimization for enhanced metal and amine removal from crude oil - A method for removing calcium, iron, other metals, and amines from crude oil in a refinery desalting process includes the steps of: running a plurality of tests to determine at least one statistically significant processing characteristic of the refinery desalting process; adding a wash water to the crude oil; adding the wash water to the crude oil to create an emulsion; adding to the wash water, the crude oil or the emulsion an acid additive consisting of at least one of the following: oxalic acid, citric acid, water-soluble hydroxyacid selected from the group consisting of glycolic acid, gluconic acid, C.sub.2-C.sub.4 alpha-hydroxy acids, malic acid, lactic acid, poly-hydroxy carboxylic acids, thioglycolic acid, chloroacetic acid, polymeric forms of the above hydroxyacids, poly-glycolic esters, glycolate ethers, and ammonium salt and alkali metal salts of these hydroxyacids, and mixtures thereof; resolving the emulsion containing the acid additive into a hydrocarbon phase and an aqueous phase; and adjusting a control setting of the processing characteristic as a function of the tests. | 05-26-2011 |
20120067785 | Process, Method, and System for Removing Heavy Metals from Fluids - Trace element levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with an iodine source, generating a water soluble heavy metal complex for subsequent removal from the crude oil. In one embodiment, the iodine source is generated in-situ in an oxidation-reduction reaction, by adding the crude oil to an iodine species having a charge and a reductant or an oxidant depending on the charge of the iodine species. In one embodiment with an iodine species having a positive charge and a reducing reagent, a complexing agent is also added to the crude oil to extract the heavy metal complex into the water phase to form water soluble heavy metal complexes which can be separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. | 03-22-2012 |
20120067786 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace element levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with an iodine source, generating a water soluble heavy metal complex for subsequent removal from the crude oil. In one embodiment, the iodine source is generated in-situ in an oxidation-reduction reaction, by adding the crude oil to an iodine species having a charge and a reductant or an oxidant depending on the charge of the iodine species. In one embodiment with an iodine species having a positive charge and a reducing reagent, a complexing agent is also added to the crude oil to extract the heavy metal complex into the water phase to form water soluble heavy metal complexes which can be separated from the crude oil, for a treated crude oil having reduced levels of heavy metals. | 03-22-2012 |
20120125820 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace amount levels of heavy metals such as arsenic in crude oil are reduced by contacting the crude oil with an oxidizing agent, extracting heavy metals into a water phase for subsequent separation from the crude oil. In one embodiment, the oxidizing agent is selected from the group of hydroperoxides, organic peroxides, inorganic peracids and salts thereof, organic peracids and salts thereof, halogens such as iodine (I | 05-24-2012 |
20120285865 | Additive and method for removal of impurities formed due to sulfur compounds in crude oils containing calcium naphthenate - An additive capable of avoiding formation of impurities and capable of removing or dissolving impurities formed and accumulated at the interphase of organic and aqueous layers on reaction between calcium naphthenate and sulfur compound including H | 11-15-2012 |
20130168293 | PROCESS, METHOD, AND SYSTEM FOR REMOVING HEAVY METALS FROM FLUIDS - Trace amount levels of heavy metals such as mercury in crude oil are reduced by contacting the crude oil with an oxidizing agent and then with a reducing agent. In one embodiment, the oxidizing agent is selected from the group of hydroperoxides, organic peroxides, inorganic peracids and salts thereof, organic peracids and salts thereof, halogens such as iodine (I | 07-04-2013 |
20130306522 | USE OF ACID BUFFERS AS METAL AND AMINE REMOVAL AIDS - A process for reducing contaminants during a desalting process is disclosed. The process may comprise providing an acid buffer solution; providing a contaminated stream; and mixing the acid buffer solution with the contaminated stream. | 11-21-2013 |
208253000 | With metal or metal compound | 19 |
20080264830 | Method for removing calcium from crude oil - Methods for reducing calcium deposition along surfaces in contact with the water phase of a resolved water/oil emulsion are disclosed. High calcium crude oil and the like are contacted with a sequestrant to form a sequestered calcium containing complex that partitions to the water phase in the resolved emulsion. A specifically formulated polymeric deposit control agent is added to the water phase to inhibit calcium deposit formation therein and along surfaces in contact with the water phase. | 10-30-2008 |
20080308465 | METHODS AND SYSTEMS FOR REMOVING METALS FROM LOW GRADE FUEL - A method for removing metals from fuel containing vanadium or nickel including intimately mixing an adsorbent with the fuel and isolating the treated fuel. The treated fuel has reduced levels of vanadium, nickel and other metals. Systems for fuel treatment are also provided. | 12-18-2008 |
20090000991 | ADDITIVES FOR REMOVAL OF METALS POISONOUS TO CATALYSTS DURING FLUIDIZED CATALYTIC CRACKING OF HYDROCARBONS - Compositions and methods suitable for removing poisonous metals from hydrocarbons are provided. The compositions comprise hydrotalcite having one or more trapping metals dispersed on the outer surface thereof. | 01-01-2009 |
20090200207 | Absorption Composition and Process for Removing Mercury - Mercury and/or arsenic or compounds thereof are removed from streams of matter by contacting them with an absorption composition containing silver and aluminium oxide, which absorption composition is characterized in that the aluminium oxide is at least 50% by weight theta-aluminium oxide. | 08-13-2009 |
20100101979 | CATALYST AND HYDROTREATING PROCESS - A process for the preparation of a catalyst, which process comprises the steps of:
| 04-29-2010 |
20110005975 | METHOD FOR REMOVING MERCURY FROM HYDROCARBON STREAMS - Method of removing mercury from a mercury-comprising hydrocarbon stream, in which the hydrocarbon stream is brought into contact with an absorbent comprising copper on a support material, wherein the hydrocarbon stream is brought into contact with the absorbent in the presence of hydrogen. | 01-13-2011 |
20110042271 | Additives For Removal Of Metals Poisonous To Catalysts During Fluidized Catalytic Cracking Of Hydrocarbons - Compositions and methods suitable for removing poisonous metals from hydrocarbons are provided. The compositions comprise hydrotalcite having one or more trapping metals dispersed on the outer surface thereof. | 02-24-2011 |
20110100879 | IMPROVEMENTS IN OR RELATING TO FILTERS - A magnetic filter device and method for using same, for removing ferromagnetic particles from a liquid, which device comprises a vessel having an inlet for liquid to flow into the vessel and an outlet for the liquid to flow out of the vessel, and the vessel having one or more magnets suspended therein for removing ferromagnetic particles from liquid flowing between the inlet and outlet, characterised in that: the vessel is a horizontal pipe with the inlet at one end and the outlet at the other end, the magnets are suspended transverse to the longitudinal axis of the pipe in one or more sets, and the vessel has one or more helical flow generators which in use, generate helical flow of the liquid as it flows between the inlet and outlet, and/or one or more turbulent flow generators which in use, generate turbulent flow of the liquid as it flows between the inlet and outlet. The helical and/or turbulent flow of the liquid may mitigate the potential problems of liquid and/or particles by-passing the magnet or magnets, for example arising from laminar flow of the liquid and/or uneven distribution of particles in the liquid. | 05-05-2011 |
20110132808 | Rare Earth-Containing Attrition Resistant Vanadium Trap for Catalytic Cracking Catalyst - The present invention provides a metal passivator/trap comprising a rare earth oxide dispersed on a matrix containing a calcined hydrous kaolin. | 06-09-2011 |
20110139687 | METHOD AND SYSTEMS TO REMOVE POLAR MOLECULES FROM REFINERY STREAMS - The present invention relates to methods and systems for removing polar molecule contaminants from a refinery stream in connection with the processing of hydrocarbon fluids, chemicals, whole crude oils, blends and fractions in refineries and chemical plants that include adding high surface energy and/or high surface area nanoparticle compounds to a refinery stream to remove the polar molecule contaminants. | 06-16-2011 |
20110226671 | METHOD FOR PRODUCING A CRUDE PRODUCT - Methods and systems for contacting a crude feed that has a total acid number (TAN) of at least 0.3 with one or more catalysts produces a total product that includes a crude product are described. The one or more catalysts may include a first catalyst and a second catalyst. The crude product is a liquid mixture at 25° C. and 0.101 MPa and the crude product has a TAN of at most 90% of the TAN of the crude feed. One or more other properties of the crude product may be changed by at least 10% relative to the respective properties of the crude feed. | 09-22-2011 |
20120000828 | HYDRODEMETALLIZATION CATALYST AND PROCESS - This invention is directed to hydrodemetallization catalysts and hydrodemetallization processes employing a magnesium aluminosilicate clay. The magnesium aluminosilicate clay has a characteristic | 01-05-2012 |
20130126395 | PROCESS FOR DEMETALLIZATION OF WHOLE CRUDE OIL - A crude oil feedstream is treated to remove or reduce the content of undesired metal components including nickel and/or vanadium by contacting the feedstream with one or more solid adsorbent materials selected from attapulgus clay, alumina, silica gel and activated carbon in a mixing vessel for a time that is sufficient to optimize the adsorption of the undesired metal components from the crude oil, subjecting the mixture to atmospheric flash distillation and then to vacuum flash distillation to recover presorted boiling ranges of products having a lowered content of the undesired metal components, and preferably regenerating at least a portion of the solid adsorbent material for reuse in the process. | 05-23-2013 |
20140001100 | PROCESS FOR REMOVING METALS FROM HYDROCARBONS | 01-02-2014 |
20140262956 | NOVEL RESID HYDROTREATING CATALYST - Catalyst supports, supported catalysts, and a method of preparing and using the catalysts for the demetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise precipitated alumina prepared by a low temperature pH swing process. A large portion of the pore volume of the catalyst supports has pores with a diameter in the range of about 200 Å to about 500 Å. Catalysts prepared from the supports of the invention exhibit improved catalytic activity and stability to remove metals from heavy hydrocarbon feedstocks during a hydroconversion process. The catalysts also exhibit increased sulfur and MCR conversion during the hydroconversion process. | 09-18-2014 |
20140374321 | PROCESS FOR ELIMINATING ARSENIC FROM A HYDROCARBON FEED - The invention concerns a process for eliminating arsenic from a hydrocarbon feed which is at least partially liquid, comprising at least the following steps:
| 12-25-2014 |
20150136650 | PROCESS FOR REMOVING MERCURY FROM A COAL TAR PRODUCT - A process for removing mercury from a coal tar product is described. A coal tar stream is contacted with a solvent to remove a product, and the product stream is contacted with an adsorbent material to remove elemental mercury, organic mercury compounds, and/or inorganic mercury compounds. Alternatively, the coal tar stream can be treated in a catalytic distillation zone of a fractionation zone. | 05-21-2015 |
20150321177 | CATALYST FOR THE FIRST HYDRODEMETALIZATION STEP IN A HYDROPROCESSING SYSTEM WITH MULTIPLE REACTORS FOR THE IMPROVEMENT OF HEAVY AND EXTRA HEAVY CRUDES - An improved catalyst for hydrodemetallization of heavy crude oils and residua is disclosed. The catalyst is adopted for fixed bed hydroprocessing units. The invention is characterized for having a large pore diameter catalyst principally for hydrodemetallization of heavy oil and residue in a first reactor of a multi-reactor process. The catalyst has high demetallizing activity and high metal deposition capacity which results in good stability with time on stream (TOS). The hydrorefining catalyst is obtained by kneading a porous starting powder principally composed of gamma-alumina and having a pore capacity of 0.3-0.6 ml/g or larger and a mean pore diameter of 10 to 26 nm, extrudating and calcining, and after that supported with active metals component of elements belonging to groups VIIIB and VIB of the periodic table. | 11-12-2015 |
20160001258 | SORBENT - A method for preparing a sorbent composition includes the steps of:
| 01-07-2016 |