Assignee: Rentech, Inc.

Location: Los Angeles, CA
No. of patents: 20

Number	Title	Issue Date
8168686	Integrated biorefinery for production of liquid fuels A method and system for reforming a carbonaceous feedstock comprising the steps, reforming the feedstock produce a first synthesis gas, subjecting a portion of the first synthesis gas to catalytic conversion, separating from the synthesis gas conversion product at l...	05/01/2012
8146368	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...	04/03/2012
8138115	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 withou...	03/20/2012
8105403	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 efficien...	01/31/2012
8093306	Integrated biorefinery for production of liquid fuels A method and system for reforming a carbonaceous feedstock comprising the steps, reforming the feedstock produce a first synthesis gas, subjecting a portion of the first synthesis gas to catalytic conversion, separating from the synthesis gas conversion product at l...	01/10/2012
8088187	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 ...	01/03/2012
8084656	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...	12/27/2011
8084508	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 conv...	12/27/2011
7968611	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 withou...	06/28/2011
7964156	Method and apparatus for regenerating an iron-based fischer-tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ...	06/21/2011
7919065	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 liqu...	04/05/2011
7915193	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,...	03/29/2011
7879756	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 withou...	02/01/2011
7803329	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 liqu...	09/28/2010
7763088	Biomass gasification system A cost-effective biomass gasification method and system for converting biomass materials into gaseous fuel. The system and method are capable of converting at least about 50-70% of the carbon in a biomass material into gaseous carbon at a temperature lower than abou...	07/27/2010
7683006	Method for activating an iron-based fischer-tropsch catalyst A method for transforming at least a part of the catalyst precursor hematite into x-carbide (Fe5C2) and ε′-carbide (FeC2.2) without a large amount of fines generation. This method slows the transformation of the hematite to iron c...	03/23/2010
7644587	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...	01/12/2010
7544719	Method for activating an iron-based fischer-tropsch catalyst A method for transforming at least a part of the catalyst precursor hematite into χ-carbide (Fe5C2) and ε′-carbide (FeC2.2) without a large amount of fines generation. This method slows the transformation of the hematite to iron ...	06/09/2009
7303731	Method and apparatus for regenerating an iron-based fischer-tropsch catalyst Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, ...	12/04/2007
7300642	Process for the production of ammonia and Fischer-Tropsch liquids A gasification plant for producing ammonia, Fischer-Tropsch fuels, and electrical power from carbon-bearing feedstocks. ...	11/27/2007

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Assignee: Rentech, Inc.