Patents by Inventor Ivan Greager
Ivan Greager has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240018436Abstract: The present invention provides a process for obtaining solid recovered fuel and synthesis gas from a waste-based feedstock, comprising the steps of: I. converting the feedstock into a solid recovered fuel by means of a number of parameters pertaining to waste sorting, selection, comminution and/or screening; II. gasifying under suitable reaction conditions at least a portion of the solid recovered fuel to produce synthesis gas and by-product(s); and III. optionally cleaning at least a portion of the synthesis gas to produce clean synthesis gas and wastewater, wherein one or more of the solid recovered fuel, synthesis gas, and by-product(s) of the gasification are analysed during operation of the process, and wherein data from said analysis is used to control one or more parameters of step I) in order to influence reaction conditions in step II, and optionally step III).Type: ApplicationFiled: December 1, 2021Publication date: January 18, 2024Inventors: Philip Ivan GREAGER, Roger Allen HARRIS, Martin HOPKINS, Neil Alexander KING, Malcolm John WARD
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Patent number: 11840668Abstract: An integrated process for the production of a useful liquid hydrocarbon product comprises: feeding a gasification zone with an oxygen-containing feed and a first carbonaceous feedstock comprising waste materials and/or biomass, gasifying the first carbonaceous feedstock in the gasification zone to produce first synthesis gas, partially oxidising the first synthesis gas in a partial oxidation zone to generate partially oxidised synthesis gas, combining at least a portion of the first synthesis gas and/or the partially oxidised synthesis gas and at least a portion of electrolysis hydrogen obtained from an electrolyser in an amount to achieve the desired hydrogen to carbon monoxide molar ratio of from about 1.5:1 to about 2.5:1, and to generate a blended synthesis gas, wherein the electrolyser operates using green electricity; and subjecting at least a portion of the blended synthesis gas to a conversion process effective to produce the liquid hydrocarbon product.Type: GrantFiled: January 3, 2023Date of Patent: December 12, 2023Assignee: Velocys Technologies LtdInventors: Ivan Greager, Roger Harris, Rudolph Havenga, Neil King
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Publication number: 20230382821Abstract: The present invention provides integrated process for the production of a useful liquid hydrocarbon product comprising the steps of: feeding a gasification zone with an oxygen-containing feed and a first carbonaceous feedstock comprising waste materials and/or biomass, gasifying the first carbonaceous feedstock in the gasification zone to produce a first synthesis gas, partially oxidising the first synthesis gas in a partial oxidation zone to generate partially oxidised synthesis gas, combining at least a portion of the first synthesis gas and/or the partially oxidised synthesis gas and at least a portion of electrolysis hydrogen obtained from an electrolyser in an amount to achieve the desired hydrogen to carbon monoxide molar ratio of from about 1.5:1 to about 2.Type: ApplicationFiled: October 8, 2021Publication date: November 30, 2023Applicant: VELOCYS TECHNOLOGIES LTDInventors: Ivan Greager, Roger Harris, Rudolph Havenga, Neil Alexander King
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Publication number: 20230135142Abstract: An integrated process for the production of a useful liquid hydrocarbon product comprises: feeding a gasification zone with an oxygen-containing feed and a first carbonaceous feedstock comprising waste materials and/or biomass, gasifying the first carbonaceous feedstock in the gasification zone to produce first synthesis gas, partially oxidising the first synthesis gas in a partial oxidation zone to generate partially oxidised synthesis gas, combining at least a portion of the first synthesis gas and/or the partially oxidised synthesis gas and at least a portion of electrolysis hydrogen obtained from an electrolyser in an amount to achieve the desired hydrogen to carbon monoxide molar ratio of from about 1.5:1 to about 2.5:1, and to generate a blended synthesis gas, wherein the electrolyser operates using green electricity; and subjecting at least a portion of the blended synthesis gas to a conversion process effective to produce the liquid hydrocarbon product.Type: ApplicationFiled: January 3, 2023Publication date: May 4, 2023Inventors: Ivan GREAGER, Roger HARRIS, Rudolph HAVENGA, Neil KING
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Patent number: 11572512Abstract: An integrated process for the production of a useful liquid hydrocarbon product comprises: feeding a gasification zone with an oxygen-containing feed and a first carbonaceous feedstock comprising waste materials and/or biomass, gasifying the first carbonaceous feedstock in the gasification zone to produce first synthesis gas, partially oxidising the first synthesis gas in a partial oxidation zone to generate partially oxidised synthesis gas, combining at least a portion of the first synthesis gas and/or the partially oxidised synthesis gas and at least a portion of electrolysis hydrogen obtained from an electrolyser in an amount to achieve the desired hydrogen to carbon monoxide molar ratio of from about 1.5:1 to about 2.5:1, and to generate a blended synthesis gas, wherein the electrolyser operates using green electricity; and subjecting at least a portion of the blended synthesis gas to a conversion process effective to produce the liquid hydrocarbon product.Type: GrantFiled: October 12, 2021Date of Patent: February 7, 2023Assignee: Velocys Technologies Ltd.Inventors: Ivan Greager, Roger Harris, Rudolph Havenga, Neil King
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Publication number: 20220112429Abstract: An integrated process for the production of a useful liquid hydrocarbon product comprises: feeding a gasification zone with an oxygen-containing feed and a first carbonaceous feedstock comprising waste materials and/or biomass, gasifying the first carbonaceous feedstock in the gasification zone to produce first synthesis gas, partially oxidising the first synthesis gas in a partial oxidation zone to generate partially oxidised synthesis gas, combining at least a portion of the first synthesis gas and/or the partially oxidised synthesis gas and at least a portion of electrolysis hydrogen obtained from an electrolyser in an amount to achieve the desired hydrogen to carbon monoxide molar ratio of from about 1.5:1 to about 2.5:1, and to generate a blended synthesis gas, wherein the electrolyser operates using green electricity; and subjecting at least a portion of the blended synthesis gas to a conversion process effective to produce the liquid hydrocarbon product.Type: ApplicationFiled: October 12, 2021Publication date: April 14, 2022Inventors: Ivan GREAGER, Roger HARRIS, Rudolph HAVENGA, Neil KING
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Patent number: 9994763Abstract: The Fischer-Tropsch (FT) process can be controlled to create water that has desirable characteristics for use in secondary processes such as fracking or irrigation.Type: GrantFiled: June 12, 2016Date of Patent: June 12, 2018Assignee: Velocys, Inc.Inventors: Stephen Claude LeViness, Ivan Greager
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Publication number: 20160289545Abstract: The Fischer-Tropsch (FT) process can be controlled to create water that has desirable characteristics for use in secondary processes such as fracking or irrigation.Type: ApplicationFiled: June 12, 2016Publication date: October 6, 2016Applicant: Velocys Inc.Inventors: Stephen Claude LeViness, Ivan Greager
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Patent number: 9365765Abstract: The Fischer-Tropsch (FT) process can be controlled to create water that has desirable characteristics for use in secondary processes such as fracking or irrigation.Type: GrantFiled: March 18, 2014Date of Patent: June 14, 2016Assignee: Velocys, Inc.Inventors: Stephen Claude LeViness, Ivan Greager
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Publication number: 20140318794Abstract: The Fischer-Tropsch (FT) process can be controlled to create water that has desirable characteristics for use in secondary processes such as fracking or irrigation.Type: ApplicationFiled: March 18, 2014Publication date: October 30, 2014Applicant: Velocys Inc.Inventors: Stephen Claude LeViness, Ivan Greager
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Patent number: 7863492Abstract: This invention relates to a process for producing linear alkyl benzene and linear paraffins, the process including the steps of obtaining a hydrocarbon condensate containing olefins, paraffins and oxygenates from a low temperature Fischer-Tropsch reaction; a) fractionating a desired carbon number distribution from the hydrocarbon condensate to form a fractionated hydrocarbon condensate stream; b) extracting oxygenates from the fractionated hydrocarbon condensate stream from step a) to form a stream containing olefins and paraffins; c) alkylating the stream containing olefins and paraffins from step b) with benzene in the presence of a suitable alkylation catalyst; and d) recovering linear alkyl benzene and linear paraffin.Type: GrantFiled: March 10, 2004Date of Patent: January 4, 2011Assignee: Sasol Technology (Proprietary) LimitedInventors: Edward Ludovicus Koper, Ivan Greager, Jan Hendrik Scholtz, Johan Pieter de Wet, Mieke Ann Desmet, Wilhelmina Jansen, Paul Jacobson
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Patent number: 7737312Abstract: This invention relates to a process for producing linear alkyl benzene, the process including the steps of obtaining a hydrocarbon condensate containing olefins, paraffins and oxygenates from a low temperature Fischer-Tropsch reaction; a) fractionating a desired carbon number distribution from the hydrocarbon condensate to form a fractionated hydrocarbon condensate stream; b) extracting oxygenates from the fractionated hydrocarbon condensate stream from step (a) to form a stream containing olefins and paraffins; c) combining the stream containing olefins and paraffins from step (b) with the feed stream from step (g) to form a combined stream; d) alkylating olefins in the combined stream from step (c) with benzene in the presence of a suitable alkylation catalyst in an alkylation reactor; e) recovering linear alkyl benzene from the alkylation reactor; f) recovering unreacted paraffins from the alkylation reactor; g) dehydrogenating the unreacted paraffins in the presence of a suitable dehydrogenation catalystType: GrantFiled: March 10, 2004Date of Patent: June 15, 2010Assignee: Sasol Technology (Proprietary) LimitedInventors: Ivan Greager, Jan Hendrik Scholtz, Johan Pieter de Wet, Mieke Ann Desmet, Wilhelmina Jansen, Paul Jacobson, Luis Pablo Fidel Dancuart
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Publication number: 20070066859Abstract: This invention relates to a process for producing linear alkyl benzene and linear paraffins, the process including the steps of obtaining a hydrocarbon condensate containing olefins, paraffins and oxygenates from a low temperature Fischer-Tropsch reaction; a) fractionating a desired carbon number distribution from the hydrocarbon condensate to form a fractionated hydrocarbon condensate stream; b) extracting oxygenates from the fractionated hydrocarbon condensate stream from step a) to form a stream containing olefins and paraffins; c) alkylating the stream containing olefins and paraffins from step b) with benzene in the presence of a suitable alkylation catalyst; and d) recovering linear alkyl benzene and linear paraffin.Type: ApplicationFiled: March 10, 2004Publication date: March 22, 2007Inventors: Edward Koper, Ivan Greager, Jan Scholtz, Johan Wet, Mieke Desmet, Wilhelmina Jansen, Paul Jacobson
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Publication number: 20070038007Abstract: This invention relates to a process for producing linear alkyl benzene, the process including the steps of obtaining a hydrocarbon condensate containing olefins, paraffins and oxygenates from a low temperature Fischer-Tropsch reaction; a) fractionating a desired carbon number distribution from the hydrocarbon condensate to form a fractionated hydrocarbon condensate stream; b) extracting oxygenates from the fractionated hydrocarbon condensate stream from step (a) to form a stream containing olefins and paraffins; c) combining the stream containing olefins and paraffins from step (b) with the feed stream from step (g) to form a combined stream; d) alkylating olefins in the combined stream from step (c) with benzene in the presence of a suitable alkylation catalyst in an alkylation reactor, e) recovering linear alkyl benzene from the alkylation reactor; f) recovering unreacted paraffins from the alkylation reactor; g) dehydrogenating the unreacted paraffins in the presence of a suitable dehydrogenation catalystType: ApplicationFiled: March 10, 2004Publication date: February 15, 2007Inventors: Ivan Greager, Jan Scholtz, Johan de Wet, Mieke Desmet, Wilhelmina Jansen, Paul Jacobson, Luis Dancuart