RENTECH, INC. Patent applications |
Patent application number | Title | Published |
20140274666 | SLURRY BED FISCHER-TROPSCH CATALYSTS WITH SILICA/ALUMINA STRUCTURAL PROMOTERS - A structurally promoted, precipitated, Fischer-Tropsch catalyst that exhibits an RCAI-10 of 0-2.8 and/or produces less than 6 wt % fines after 5 hours ASTM Air Jet Attrition testing, due to formation via: preparing a nitrate solution by forming at least one metal slurry and combining the at least one metal slurry with a nitric acid solution; combining the nitrate solution with a basic solution to form a precipitate; structurally promoting the precipitate with at least one source of silicon to form a promoted mixture, wherein promoting comprises combining the precipitate with (a) silicic acid and one or more component selected from the group consisting of non-crystalline silicas, crystalline silicas, and sources of kaolin or (b) a component selected from the group consisting of non-crystalline silicas and sources of kaolin, in the absence of silicic acid; and spray drying the promoted mixture to produce catalyst having a desired particle size. | 09-18-2014 |
20140261112 | BIOMASS HIGH EFFICIENCY HYDROTHERMAL REFORMER - A mixing apparatus for producing a feedstock for a reformer, the mixing apparatus including at least one mixing vessel comprising a cylindrical vessel with a conical bottom; a steam inlet configured for introducing steam into the conical bottom; a carbonaceous material inlet configured for introducing a carbonaceous feed into the cylindrical vessel; and an outlet for a reformer feedstock comprising at least 0.3 pounds of steam per pound of carbonaceous material, with the at least one mixing vessel configured for operation at a pressure of greater than about 10 psig. | 09-18-2014 |
20140161676 | SEAL POT DESIGN - An apparatus including at least one seal pot having at least one penetration through a surface other than the top of the seal pot, each of the at least one penetrations being configured for introduction, into the at least one seal pot, of solids from a separator upstream of the at least one seal pot; a substantially non-circular cross section; or both at least one penetration through a surface other than the top of the seal pot and a substantially non-circular cross section. | 06-12-2014 |
20140131623 | SYSTEM AND METHOD FOR DUAL FLUIDIZED BED GASIFICATION - A method for deep desulfurization of synthesis gas comprising introducing carbonaceous material and optionally steam into a gasifier comprising a heat transfer media, extracting a first heat transfer stream comprising heat transfer media and optionally unconverted carbonaceous material from the gasifier, and introducing at least a portion of the first heat transfer stream into a combustor, introducing oxidant and optionally a fuel into the combustor, extracting a second heat transfer stream comprising heat transfer media from the combustor, and introducing at least a portion of the second heat transfer stream into the gasifier, introducing a compound capable of reacting with sulfur to produce sulfate, sulfide or both, extracting a purge stream comprising ash, sulfate, halide, or a combination thereof from the second heat transfer stream, extracting a flue gas from the combustor, and extracting a gasifier product synthesis gas stream comprising less than 1000 ppm sulfur from the gasifier. | 05-15-2014 |
20140037509 | SUPPLEMENTAL FUEL TO COMBUSTOR OF DUAL FLUIDIZED BED GASIFIER - A method of gasification by introducing a feed material to be subjected to gasification into a dual fluidized bed gasifier comprising a pyrolyzer fluidly connected with a combustor such that a circulation stream comprising a heat transfer material can be continuously circulated between the pyrolyzer, in which the temperature of the circulation stream is reduced, and the combustor, in which the temperature of the circulation stream is increased, wherein the pyrolyzer is operable to convert at least a portion of the feed material into a gasifier product gas comprising hydrogen and carbon monoxide, and wherein the combustor is operable to increase the temperature of the circulation stream via combustion of char introduced thereto with the circulation stream and at least one supplemental fuel. A system for carrying out the method is also provided. | 02-06-2014 |
20130330240 | SYSTEM AND METHOD FOR DUAL FLUIDIZED BED GASIFICATION - A system for production of high-quality syngas comprising a first dual fluidized bed loop having a fluid bed conditioner operable to produce high quality syngas comprising a first percentage of components other than carbon monoxide and hydrogen from a gas feed, wherein the conditioner comprises an outlet for a first catalytic heat transfer stream comprising a catalytic heat transfer material and having a first temperature, and an inlet for a second catalytic heat transfer stream comprising catalytic heat transfer material and having a second temperature greater than the first temperature; a fluid bed combustor operable to combust fuel and oxidant, wherein the fluid bed combustor comprises an inlet connected with the outlet for a first catalytic heat transfer stream of the conditioner, and an outlet connected with the inlet for a second catalytic heat transfer stream of the conditioner; and a catalytic heat transfer material. | 12-12-2013 |
20130320267 | SYSTEM AND METHOD FOR DUAL FLUIDIZED BED GASIFICATION - A method for deep desulfurization of synthesis gas comprising introducing carbonaceous material and optionally steam into a gasifier comprising a heat transfer media, extracting a first heat transfer stream comprising heat transfer media and optionally unconverted carbonaceous material from the gasifier, and introducing at least a portion of the first heat transfer stream into a combustor, introducing oxidant and optionally a fuel into the combustor, extracting a second heat transfer stream comprising heat transfer media from the combustor, and introducing at least a portion of the second heat transfer stream into the gasifier, introducing a compound capable of reacting with sulfur to produce sulfate, sulfide or both, extracting a purge stream comprising ash, sulfate, halide, or a combination thereof from the second heat transfer stream, extracting a flue gas from the combustor, and extracting a gasifier product synthesis gas stream comprising less than 1000 ppm sulfur from the gasifier. | 12-05-2013 |
20130320265 | SYSTEM AND METHOD FOR DUAL FLUIDIZED BED GASIFICATION - A method of producing a high quality synthesis gas comprising less than a desired percentage of non-synthesis gas components and a desired mole ratio of hydrogen to carbon monoxide by providing a low quality synthesis gas comprising greater than the desired percentage; introducing the low quality synthesis gas into a conditioner; introducing a flue gas into a combustor; extracting a first catalytic heat transfer stream from the conditioner, and introducing at least a portion of the first catalytic heat transfer stream into the combustor; extracting a second catalytic heat transfer stream from the combustor, and introducing at least a portion of the second catalytic heat transfer stream into the conditioner; extracting a spent flue gas from the combustor; and extracting from the conditioner the high quality synthesis gas comprising the desired percentage and the desired mole ratio. | 12-05-2013 |
20130217569 | STABLE SLURRY BED FISCHER-TROPSCH CATALYST WITH HIGH SURFACE AREA AND ACTIVITY - A method of forming a Fischer-Tropsch catalyst by providing at least one metal nitrate solution, combining each of the at least one metal nitrate solutions with a precipitating agent whereby at least one catalyst precipitate is formed, and incorporating a strong base during precipitation, subsequent precipitation, or both during and subsequent precipitation. Catalysts produced via the disclosed method are also provided. | 08-22-2013 |
20130165534 | SYSTEM AND METHOD FOR PRODUCTION OF FISCHER-TROPSCH SYNTHESIS PRODUCTS AND POWER - A method for generation of power and Fischer-Tropsch synthesis products by producing synthesis gas comprising hydrogen and carbon monoxide, producing Fischer-Tropsch synthesis products and Fischer-Tropsch tailgas from a first portion of the synthesis gas, and generating power from a second portion of the synthesis gas, from at least a portion of the Fischer-Tropsch tailgas, or from both. The method may also comprise conditioning at least a portion of the synthesis gas and/or upgrading at least a portion of the Fischer-Tropsch synthesis products. A system for carrying out the method is also provided. | 06-27-2013 |
20130161563 | SUPPLEMENTAL FUEL TO COMBUSTOR OF DUAL FLUIDIZED BED GASIFIER - A method of gasification by introducing a feed material to be subjected to gasification into a dual fluidized bed gasifier comprising a pyrolyzer fluidly connected with a combustor such that a circulation stream comprising a heat transfer material can be continuously circulated between the pyrolyzer, in which the temperature of the circulation stream is reduced, and the combustor, in which the temperature of the circulation stream is increased, wherein the pyrolyzer is operable to convert at least a portion of the feed material into a gasifier product gas comprising hydrogen and carbon monoxide, and wherein the combustor is operable to increase the temperature of the circulation stream via combustion of char introduced thereto with the circulation stream and at least one supplemental fuel. A system for carrying out the method is also provided. | 06-27-2013 |
20130109765 | GASIFIER FLUIDIZATION | 05-02-2013 |
20130109561 | IRON-BASED FISCHER-TROPSCH CATALYST | 05-02-2013 |
20130105008 | SEAL POT DESIGN | 05-02-2013 |
20130030064 | GASIFICATION SYSTEM AND METHOD - A system configured for the production of at least one product selected from the group consisting of syngas, Fischer-Tropsch synthesis products, power, and chemicals, the system comprising a dual fluidized bed gasification apparatus and at least one apparatus selected from power production apparatus configured to produce power from the gasification product gas, partial oxidation reactors configured for oxidation of at least a portion of the product gas, tar removal apparatus configured to reduce the amount of tar in the product gas, Fischer-Tropsch synthesis apparatus configured to produce Fischer-Tropsch synthesis products from at least a portion of the product gas, chemical production apparatus configured for the production of at least one non-Fischer-Tropsch product from at least a portion of the product gas, and dual fluidized bed gasification units configured to alter the composition of the product gas. Methods of operating the system are also provided. | 01-31-2013 |
20130030062 | GASIFICATION SYSTEM AND METHOD - A system configured for the production of at least one product selected from the group consisting of syngas, Fischer-Tropsch synthesis products, power, and chemicals, the system comprising a dual fluidized bed gasification apparatus and at least one apparatus selected from power production apparatus configured to produce power from the gasification product gas, partial oxidation reactors configured for oxidation of at least a portion of the product gas, tar removal apparatus configured to reduce the amount of tar in the product gas, Fischer-Tropsch synthesis apparatus configured to produce Fischer-Tropsch synthesis products from at least a portion of the product gas, chemical production apparatus configured for the production of at least one non-Fischer-Tropsch product from at least a portion of the product gas, and dual fluidized bed gasification units configured to alter the composition of the product gas. Methods of operating the system are also provided. | 01-31-2013 |
20130028802 | GASIFICATION SYSTEM AND METHOD - A system configured for the production of at least one product selected from the group consisting of syngas, Fischer-Tropsch synthesis products, power, and chemicals, the system comprising a dual fluidized bed gasification apparatus and at least one apparatus selected from power production apparatus configured to produce power from the gasification product gas, partial oxidation reactors configured for oxidation of at least a portion of the product gas, tar removal apparatus configured to reduce the amount of tar in the product gas, Fischer-Tropsch synthesis apparatus configured to produce Fischer-Tropsch synthesis products from at least a portion of the product gas, chemical production apparatus configured for the production of at least one non-Fischer-Tropsch product from at least a portion of the product gas, and dual fluidized bed gasification units configured to alter the composition of the product gas. Methods of operating the system are also provided. | 01-31-2013 |
20130028801 | GASIFICATION SYSTEM AND METHOD - A system configured for the production of at least one product selected from the group consisting of syngas, Fischer-Tropsch synthesis products, power, and chemicals, the system comprising a dual fluidized bed gasification apparatus and at least one apparatus selected from power production apparatus configured to produce power from the gasification product gas, partial oxidation reactors configured for oxidation of at least a portion of the product gas, tar removal apparatus configured to reduce the amount of tar in the product gas, Fischer-Tropsch synthesis apparatus configured to produce Fischer-Tropsch synthesis products from at least a portion of the product gas, chemical production apparatus configured for the production of at least one non-Fischer-Tropsch product from at least a portion of the product gas, and dual fluidized bed gasification units configured to alter the composition of the product gas. Methods of operating the system are also provided. | 01-31-2013 |
20130025281 | GASIFICATION SYSTEM AND METHOD - A system configured for the production of at least one product selected from the group consisting of syngas, Fischer-Tropsch synthesis products, power, and chemicals, the system comprising a dual fluidized bed gasification apparatus and at least one apparatus selected from power production apparatus configured to produce power from the gasification product gas, partial oxidation reactors configured for oxidation of at least a portion of the product gas, tar removal apparatus configured to reduce the amount of tar in the product gas, Fischer-Tropsch synthesis apparatus configured to produce Fischer-Tropsch synthesis products from at least a portion of the product gas, chemical production apparatus configured for the production of at least one non-Fischer-Tropsch product from at least a portion of the product gas, and dual fluidized bed gasification units configured to alter the composition of the product gas. Methods of operating the system are also provided. | 01-31-2013 |
20120256133 | SYSTEM AND METHOD FOR DUAL FLUIDIZED BED GASIFICATION - A system, for production of high-quality syngas, comprising a first dual fluidized bed loop having a fluid bed conditioner operable to produce high quality syngas comprising a first percentage of components other than CO and H | 10-11-2012 |
20120153639 | METHOD FOR PROVIDING AUXILIARY POWER TO AN ELECTRIC POWER PLANT USING FISCHER-TROPSCH TECHNOLOGY - A method for meeting both base-load and peak-load demand in a power production facility. By integrating a Fischer-Tropsch (FT) hydrocarbon production facility with an electrical power generating facility, peak-load power demand can be met by reducing the temperature of the FT reactor thereby increasing the quantity of tail gases and using FT tail gases to fuel a gas turbine generator set. The method enables rapid power response and allows the synthesis gas generating units and the FT units to operate with constant flow rates. | 06-21-2012 |
20120134888 | BIOMASS HIGH EFFICIENCY HYDROTHERMAL REFORMER - A system for the production of synthesis gas, the system including a mixing apparatus configured for combining steam with at least one carbonaceous material to produce a reformer feedstock; and a reformer comprising a cylindrical vessel containing a plurality of coiled tubes, wherein each of the plurality of coiled tubes has a vertical height in the range of from about 40 feet 12.2 m) to about 100 feet (30.5 m) and a coil length that is at least four times the vertical height; at least one burner configured to combust a fuel and provide heat to maintain the reformer at a reformer temperature; at least one outlet for reformer product comprising synthesis gas; and at least one outlet for flue gas produced via combustion of fuel in the burners. A suitable mixing apparatus is also provided. | 05-31-2012 |
20120126176 | BIOMASS HIGH EFFICIENCY HYDROTHERMAL REFORMER - A method of producing synthesis gas by mixing a carbonaceous feed comprising at least one carbonaceous material with superheated steam to produce a reformer feedstock and reforming the reformer feedstock to produce a first synthesis gas comprising hydrogen and carbon monoxide by introducing the reformer feedstock into a plurality of coiled tubes within a reformer at a reformer temperature and a reformer pressure at which at least a portion of the reformer feedstock is converted to synthesis gas. | 05-24-2012 |
20120055090 | SYSTEMS AND METHODS FOR OXIDATION OF SYNTHESIS GAS TAR - The various embodiments of the present invention relate generally to the process of gasification and the production of synthesis gas. More particularly, the various embodiments of the present disclosure relate to the process of biomass gasification and the reduction or elimination of tars from the hydrocarbon-rich product gas derived from biomass gasification. The present invention comprises systems and methods for the reduction of tar from a synthesis gas derived from biomass gasification. | 03-08-2012 |
20120022173 | HYDROGEN AND CARBON UTILIZATION IN SYNTHETIC FUELS PRODUCTION PLANTS - A system including at least one hydrogen extraction unit comprising an inlet for a synthesis feedgas from a synthesis feedgas line and adapted to remove at least one hydrogen-rich gas and at least one hydrogen-lean gas from the synthesis feedgas to yield a refined synthesis gas; and at least one hydrocarbon synthesis reactor, at least one dedicated activation reactor, or both, wherein the at least one hydrocarbon synthesis reactor is fluidly connected with the at least one hydrogen extraction unit and configured to provide liquid hydrocarbons and a first byproduct gas from a synthesis reactor feedstream comprising at least a portion of the refined synthesis gas; and wherein the at least one dedicated activation reactor is fluidly connected with the at least one hydrogen extraction unit, the at least one hydrocarbon synthesis reactor, or both, and configured for activation of hydrocarbon synthesis catalyst via an activation gas. | 01-26-2012 |
20110313061 | PROTECTED FISCHER-TROPSCH CATALYST AND METHOD OF PROVIDING SAME TO A FISCHER-TROPSCH PROCESS - A method of preparing a spray dried catalyst by combining spray dried catalyst particles with wax so the spray dried catalyst particles are coated with wax, yielding wax coated catalyst particles, and shaping the wax coated catalyst to provide shaped wax coated catalyst. A method of activating Fischer-Tropsch catalyst particles containing oxides by contacting the catalyst particles with a reducing gas in an activation vessel to produce an activated catalyst, wherein contacting is performed in the absence of a liquid medium under activation conditions. A system for activating a Fischer-Tropsch catalyst containing an activation reactor configured to introduce an activation gas to a fixed or fluidized bed of the Fischer-Tropsch catalyst in the absence of a liquid medium and at least one separation device configured to separate a gas stream comprising entrained catalyst fines having an average particle size below a desired cutoff size from the activation reactor. | 12-22-2011 |
20100311570 | SLURRY BED FISCHER-TROPSCH CATALYSTS WITH SILICA/ALUMINA STRUCTURAL PROMOTERS - A method of producing a Fischer-Tropsch catalyst by preparing a nitrate solution, wherein preparing comprises forming at least one metal slurry and combining the at least one metal slurry with a nitric acid solution; combining the nitrate solution with a basic solution to form a precipitate; promoting the precipitate to form a promoted mixture, wherein promoting comprises combining the precipitate with (a) silicic acid and one or more selected from the group consisting of non-crystalline silicas, crystalline silicas, and sources of kaolin or (b) at least one selected from non-crystalline silicas and sources of kaolin, in the absence of silicic acid; and spray drying the promoted mixture to produce catalyst having a desired particle size. Catalyst produced by the disclosed method is also described. | 12-09-2010 |
20100204348 | APPARATUS AND METHODS FOR THE PRODUCTION OF AMMONIA AND FISCHER-TROPSCH LIQUIDS - A gasification plant and methods for producing ammonia, Fischer-Tropsch fuels, electrical power, and/or sulfur from carbon-bearing feedstocks including coal and/or petroleum coke. Methods for production of desired relative amounts of ammonia and Fischer-Tropsch liquid hydrocarbons by adjusting the amount of synthesis gas bypassing the Fischer-Tropsch reactor. The multi-product and integrated plants may be used to reduce the amount of CO | 08-12-2010 |
20100181539 | SYSTEM AND METHOD FOR DUAL FLUIDIZED BED GASIFICATION - A system, for production of high-quality syngas, comprising a first dual fluidized bed loop having a fluid bed conditioner operable to produce high quality syngas comprising a first percentage of components other than CO and H | 07-22-2010 |
20100160156 | CATALYST ACTIVATION IN FISCHER-TROPSCH PROCESSES - A system for activating Fischer-Tropsch catalyst comprising a reactor having a reactor outlet for overhead gas and operable under suitable conditions whereby a catalyst in a volume of liquid carrier comprising Fischer-Tropsch diesel, hydrocracking recycle oil, or a combination thereof may be activated in the presence of an activation gas; a condenser comprising an inlet fluidly connected to the reactor outlet for overhead gas and comprising a condenser outlet for condensed liquids; and a separation unit comprising an inlet fluidly connected to the condenser outlet and a separator outlet for a stream comprising primarily Fischer-Tropsch diesel; and a recycle line fluidly connecting the separator outlet, a hydrocracking unit, or both to the reactor, whereby Fischer-Tropsch diesel recovered from the reactor overhead gas, hydrocracking recycle oil, or a combination thereof may serve as liquid carrier for catalyst in the reactor. A method for activating Fischer-Tropsch catalyst is also provided. | 06-24-2010 |
20100152307 | PRECIPITATED IRON CATALYST FOR HYDROGENATION OF CARBON MONOXIDE - A method of producing an iron catalyst for catalyzing the hydrogenation of carbon monoxide is disclosed. The method comprises using a reduced amount of acid for iron dissolution compared to certain previous methods. The resulting acidic iron mixture is heated without boiling to obtain a nitrate solution having a Fe | 06-17-2010 |
20100152036 | PRECIPITATED IRON CATALYST FOR HYDROGENATION OF CARBON MONOXIDE - A method of producing an iron catalyst for catalyzing the hydrogenation of carbon monoxide is disclosed. The method comprises using a reduced amount of acid for iron dissolution compared to certain previous methods. The resulting acidic iron mixture is heated without boiling to obtain a nitrate solution having a Fe | 06-17-2010 |
20100125107 | MULTIPLE GASIFIERS MANIFOLDED TO MULTIPLE FISCHER-TROPSCH REACTORS WITH OPTIONAL RECYCLE TO THE REACTORS - A method of producing synthesis gas via gasification in a Fischer-Tropsch plant, the method including providing a number of gasifiers, the number of gasifiers provided being at least one more than the base number required to provide 100% plant capacity of synthesis gas when each gasifier is operated at 100% gasifier capacity. A method of continually producing synthesis gas via gasification of a carbonaceous feed in a Fischer-Tropsch plant by providing a number of gasifiers, the number of gasifiers provided being at least one more than the base number required to provide 100% plant capacity of synthesis gas when each gasifier is operated at 100% gasifier capacity; and adjusting the amount of synthesis gas produced by adjusting the number of online gasifiers, the flow rate of carbonaceous feed to each gasifier, or a combination thereof. A system for carrying out the method is also provided. | 05-20-2010 |
20100113622 | INTEGRATED MULTI-STEP SOLID/LIQUID SEPARATION SYSTEM FOR FISCHER-TROPSCH PROCESSES - A system for separating liquids from solids comprising an immobilization unit comprising an immobilization vessel containing a bed of magnetizable material and a magnet configured to produce a magnetic field within the immobilization vessel, wherein the immobilization vessel further comprises an immobilization vessel outlet and an immobilization vessel inlet for a fluid comprising liquid and metal-containing particles. A method for separating solid particles from liquid by introducing a fluid comprising liquid and a first concentration of solid particles into an immobilization unit comprising an immobilization vessel and at least one magnet configured to produce high density magnetic flux lines within the immobilization vessel and/or a high field gradient at or near the surface of the magnetizable material when powered, wherein the immobilization vessel contains therein a bed of magnetizable material; and removing from the immobilization unit a product having a second particle concentration less than the first particle concentration. | 05-06-2010 |
20100109338 | METHOD FOR PROVIDING AUXILIARY POWER TO AN ELECTRIC POWER PLANT USING FISCHER TROPSCH TECHNOLOGY - A method for meeting both base-load and peak-load demand in a power production facility. By integrating a Fischer-Tropsch (FT) hydrocarbon production facility with an electrical power generating facility, peak-load power demand can be met by reducing the temperature of the FT reactor thereby increasing the quantity of tail gases and using FT tail gases to fuel a gas turbine generator set. The method enables rapid power response and allows the synthesis gas generating units and the FT units to operate with constant flow rates. | 05-06-2010 |
20090298681 | STABLE FERROUS-FERRIC NITRATE SOLUTIONS FOR FISCHER-TROPSCH CATALYST PREPARATION - A method of producing stable ferrous nitrate solution by dissolving iron in nitric acid to form a ferrous nitrate solution and maintaining the solution at a first temperature for a first time period, whereby the Fe(II) content of the ferrous nitrate solution changes by less than about 2% over a second time period. A method of producing stable Fe(II)/Fe(III) nitrate solution comprising ferrous nitrate and ferric nitrate and having a desired ratio of ferrous iron to ferric iron, including obtaining a stable ferrous nitrate solution; dissolving iron in nitric acid to form a ferric nitrate solution; maintaining the ferric nitrate solution at a second temperature for a third time period; and combining amounts of stable ferrous nitrate solution and ferric nitrate solution to produce the stable Fe(II)/Fe(III) nitrate solution. A method of preparing an iron catalyst is also described. | 12-03-2009 |
20090298678 | STRENGTHENING IRON FISCHER-TROPSCH CATALYST BY CO-FEEDING IRON NITRATE AND PRECIPITATING AGENT OR SEPARATELY PRECIPITATING FROM FERROUS NITRATE AND FERRIC NITRATE SOLUTIONS - A method of producing a catalyst precursor comprising iron phases by co-feeding a ferrous nitrate solution and a precipitation agent into a ferric nitrate solution to produce a precipitation solution having a desired ferrous:ferric nitrate ratio and from which catalyst precursor precipitates; co-feeding a ferric nitrate solution and a precipitation agent into a ferrous nitrate solution to produce a precipitation solution having a desired ferrous:ferric nitrate ratio and from which catalyst precursor precipitates; or precipitating a ferrous precipitate from a ferrous nitrate solution by contacting the ferrous nitrate solution with a first precipitation agent; precipitating a ferric precipitate from ferric nitrate solution by contacting the ferric nitrate solution with a second precipitation agent and combining the ferrous and ferric precipitates to form the catalyst precursor, wherein the ratio of ferrous:ferric precipitates is a desired ratio. | 12-03-2009 |
20090280986 | FT NAPHTHA AND FT DIESEL AS SOLVENTS OR CARRIERS FOR PESTICIDES AND/OR HERBICIDES - A pesticide or herbicide formulation comprising an effective amount of a pesticide or herbicide in a carrier or solvent fluid, wherein the carrier or solvent fluid comprises a Fischer-Tropsch hydrocarbon produced via Fischer-Tropsch conversion of synthesis gas. A method of producing a pesticide or herbicide formulation by combining an amount of an herbicide or pesticide and a biodegradable solvent to form a pesticide or herbicide solution. A method of producing a pesticide or herbicide formulation by converting synthesis gas into Fischer-Tropsch products in the presence of a Fischer-Tropsch catalyst and combining at least one Fischer-Tropsch product with a pesticide or herbicide to create the formulation. | 11-12-2009 |
20090172996 | ETHANOL AS A FEEDSTOCK FOR A BCTL FACILITY - A method of producing fuel by converting an alcohol stream comprising at least one alcohol into synthesis gas; providing a first synthesis gas stream, wherein at least a portion of the first synthesis gas stream comprises synthesis gas obtained from the alcohol conversion; converting a feed comprising synthesis gas via Fischer-Tropsch into a Fischer-Tropsch product comprising hydrocarbons, wherein at least a portion of the feed comprises synthesis gas from the first synthesis gas stream; and converting at least a portion of the Fischer-Tropsch product into fuel. A diesel fuel comprising hydrocarbons formed by Fischer-Tropsch conversion of synthesis gas derived from an alcohol stream comprising at least one alcohol. | 07-09-2009 |
20090111684 | METHOD FOR ACTIVATING STRENGTHENED IRON CATALYST FOR SLURRY REACTORS - A method of activating an iron Fischer-Tropsch catalyst by introducing an inert gas into a reactor comprising a slurry of the catalyst at a first temperature, increasing the reactor temperature from the first temperature to a second temperature at a first ramp rate, wherein the second temperature is in the range of from about 150° C. to 250° C., introducing synthesis gas having a ratio of H | 04-30-2009 |
20090094141 | Business integration of integrated gasification combined cycle power plant and coal to liquid fuel plant - Methods of operating a business arrangement for an integrated CTL process and IGCC facility are disclosed herein. An embodiment of the method encompasses operating the integrated CTL and IGCC facility to optimize profitability, revenue and monitor inventory. Some advantages of the disclosed methods include reduced capital expenditures and increased availability of power or syngas during emergencies. Further advantages of the disclosed methods will be described in more detail herein. | 04-09-2009 |
20090090057 | Integration of an integrated gasification combined cycle power plant and coal to liquid facility - A novel method of combining the CTL fuel plant and IGCC electrical plant by sharing the systems of coal intake, coal preparation, gas separation, and water units is described herein. This configuration allows for the combined facility to offer advantages in efficiencies of production, operational flexibility, scalability, and reliability by a multi-path integration of the processing units. | 04-09-2009 |
20090075814 | PROMOTED, ATTRITION RESISTANT, SILICA SUPPORTED PRECIPITATED IRON CATALYST - A catalyst support solution for improving the attrition resistance of a Fischer-Tropsch catalyst, the solution comprising: crystalline silica and at least one chemical promoter selected from alkali metal bases, wherein the support solution has a pH of greater than or equal to about 7. A structurally promoted catalyst comprising: crystalline silica; at least one basic chemical promoter; and iron; wherein the catalyst comprises SiO | 03-19-2009 |
20090069451 | PRECIPITATED IRON CATALYST FOR HYDROGENATION OF CARBON MONOXIDE - A method of producing an iron catalyst for catalyzing the hydrogenation of carbon monoxide is disclosed. The method comprises using a reduced amount of acid for iron dissolution compared to certain previous methods. The resulting acidic iron mixture is heated without boiling to obtain a nitrate solution having a Fe | 03-12-2009 |
20090069450 | COMMERCIAL FISCHER-TROPSCH REACTOR - A catalytic reaction system comprising: a catalytic reactor fluidly connected with at least two slurry loops, wherein the reactor comprises at least as many reactor product outlets and at least as many slurry return inlets as slurry loops; wherein each slurry loop comprises a separation system comprising a separation system inlet, a separation system product outlet, and a concentrated catalyst slurry outlet; a slurry offtake fluidly connecting the separation system inlet with one of the reactor product outlets; and a slurry return fluidly connecting the separation system outlet with one of the slurry return inlets. The system may comprise at least three slurry loops. The system may comprise at least four slurry loops. A method for converting synthesis gas into liquid hydrocarbons via the catalytic reaction system in also disclosed. | 03-12-2009 |
20090068073 | SYSTEM AND METHOD FOR CATALYST LOADING/MIXING - A catalyst loading system comprising: a vessel comprising at least one gas distribution nozzle at or near the bottom of the vessel, a top fluid distributor located at or near the top of the vessel, a catalyst inlet through which catalyst is introduced into the vessel, a first contact point at which catalyst introduced into the vessel first contacts the contents of the vessel, and a discharge outlet whereby catalyst exits the vessel. Methods of preparing catalyst slurry for introduction into a downstream reactor or in-situ activation within the vessel utilizing the catalyst loading system are also disclosed. | 03-12-2009 |
20090065437 | MAGNETIC SEPARATION COMBINED WITH DYNAMIC SETTLING FOR FISCHER-TROPSCH PROCESSES - A system for separating particulate from a fluid stream having an inlet solids content, the system comprising: a magnetic dynamic settling vessel comprising at least one magnetic field inside the vessel and/or one magnetized component; at least one inlet for introduction of the fluid stream having a starting solids content; at least one exit for a stream comprising a solids content not greater than the inlet solids content; at least one exit for a fluid stream comprising a solids content not less than the inlet solids content; and a vertical feed conduit extending at least 70% of the distance from the at least one fluid inlet to the at least one exit for a fluid stream comprising a solids content not less than the inlet solids content. A method for separating particulate from a fluid stream having an inlet solids content is also provided. | 03-12-2009 |
20090064584 | HYDROGEN AND CARBON UTILIZATION IN SYNTHETIC FUELS PRODUCTION PLANTS - A method of utilizing hydrogen in synthesis gas production by forming synthesis gas from one or more carbonaceous materials, the synthesis gas comprising hydrogen and carbon monoxide; separating a hydrogen-rich product and a hydrogen-lean product from the synthesis gas to yield an adjusted synthesis gas product; and activating a hydrocarbon synthesis catalyst with at least a portion of the hydrogen-lean product. A system for carrying out the method is also provided, the system including at least one hydrogen extraction unit and an activation reactor operable to activate hydrocarbon synthesis catalyst, wherein the activation reactor comprises an inlet fluidly connected with the at least one hydrogen extraction unit whereby at least a portion of a hydrogen-lean gas stream, at least a portion of a hydrogen-rich gas stream, or at least a portion of both may be introduced into the activation reactor. | 03-12-2009 |
20090062108 | STRENGTHENED IRON CATALYST FOR SLURRY REACTORS - A method of strengthening a precipitated unsupported iron catalyst by: preparing a precipitated unsupported iron catalyst containing copper and potassium; adding a solution comprising a structural promoter to the previously prepared catalyst; drying the mixture; and calcining the dried catalyst. | 03-05-2009 |