51
Vasant Ramchandra Choudhary, Balu Shivaji Uphade, Ajit Singh Mamman, Amarjeet Munshiram Rajput: Process for the catalytic conversion of methane or natural gas to syngas or a mixture of carbon monoxide and hydrogen. Council of Scientific & Industrial Research, Christie Parker & Hale, September 25, 2001: US06293979 (37 worldwide citation)

A process for catalytic conversion of methane or natural gas to syngas using a supported catalyst containing oxides of nickel and cobalt with of without noble metals. Efficiency of the catalytic process is increased by simultaneously carrying out an exothermic oxidation reaction and an endothermic s ...


52
Timothy Griffin, Daniel Holmberg, Dieter Winkler: Gas turbine power plant and method of operating the same. ALSTOM Technology, Steptoe & Johnson, April 29, 2008: US07363764 (37 worldwide citation)

A method of operating a gas turbine power plant and gas turbine power plant are disclosed wherein hydrogen for the combusting process is produced by feeding natural gas mixed with steam through a membrane/partial oxidation reactor and converting the natural gas at least to H2 and CO. Thereby oxygen ...


53
Paul Nigel Dyer, Michael Francis Carolan, Darryl Butt, Rene Hendrick Elias Van Doorn, Raymond Ashton Cutler: Mixed conducting membranes for syngas production. Air Products and Chemicals, Keith D Gourley, December 10, 2002: US06492290 (35 worldwide citation)

This invention presents a new class of multicomponent metallic oxides which are particularly suited toward use in fabricating components used in processes for producing syngas. The non-stoichiometric, A-site rich compositions of the present invention are represented by the formula (Ln


54
Gary F Janda: Methanol, olefin, and hydrocarbon synthesis process. ExxonMobil Chemical Patents, Paul LaVoie, Bradley A Keller, September 3, 2002: US06444712 (34 worldwide citation)

An improved method for the production of methanol and hydrocarbons from a methane-containing gas, such as natural gas. The improved method integrates a hydrocarbon synthesis unit with a methanol synthesis unit without the need to recycle unreacted syngas exiting the methanol synthesis reactor. The i ...


55
Thomas S Dewitz, Louis H Turner III, Johannes E G Ploeg, Matheus M Van Kessel, Andrew M Scott, Rudi Everts: Method and apparatus for separating fine particulates from a mixture of fine particulates and gas. Shell Oil Company, September 12, 1989: US04865627 (33 worldwide citation)

A method and apparatus for removal of fine particulate fly ash at high temperature and pressures using a bag filter which produces a clean gas stream that is recycled to compressors or power recovery turbines and a concentrated syngas stream blowdown from which additional solids are subsequently rem ...


56
Werner O Haag, Tracy J Huang, James W Kuo, Reuel Shinnar: Conversion of synthesis gas to hydrocarbon mixtures utilizing dual reactors. Mobil Oil Corporation, Charles A Huggett, Charles J Speciale, February 24, 1981: US04252736 (33 worldwide citation)

In the conversion of coal to gaseous and liquid products, the heat value of the coal is more completely retained by the products through the selective high efficiency conversion of coal to a low ratio syngas utilizing a portion of the Fischer-Tropsch generated heat recovered as steam, conversion of ...


57
Siva Ariyapadi, Philip Shires: Systems and methods for producing substitute natural gas. Kellogg Brown & Root, KBR IP Legal Dept, June 7, 2011: US07955403 (32 worldwide citation)

Systems and methods for producing synthetic natural gas are provided. The method can include gasifying a carbonaceous feedstock within a gasifier to provide a raw syngas. The raw syngas can be cooled to provide a cooled raw syngas. The cooled raw syngas can be processed in a purification system to p ...


58
Allen M Robin, Robert M Suggitt: Cleaned, H.sub.2 -enriched syngas made using water-gas shift reaction. Texaco, Henry H Gibson, August 15, 1995: US05441990 (32 worldwide citation)

Part of CO-rich syngas, including volatile metal or any acid impurities, reacts with water making cleaned, heated, H.sub.2 -enriched syngas. The rest of the impure CO-rich syngas is combined with hot, H.sub.2 -enriched syngas making cleaned, H.sub.2 -rich syngas, useful for making methanol or oxo co ...


59
Paul S Wallace, Kay A Johnson, Janice L Kasbaum, Alma I Rodarte: Recycle of hydrogen from hydroprocessing purge gas. Texaco, Cantor Colburn, February 28, 2006: US07004985 (32 worldwide citation)

The present invention relates to an integrated gasification and hydroprocessing process. A hydrocarbonaceous fuel is first gasified to produce syngas, and then a portion of the hydrogen is removed from the syngas. The hydrogen is compressed and used as an excess reactant in a hydroprocessing unit. H ...


60
John D Y Ou, Thomas J Waddick: Selective methylation to para-xylene using fuel syngas. ExxonMobil Chemical Patents, October 1, 2002: US06459006 (32 worldwide citation)

It has been discovered that para-xylene (PX) can be synthesized with improved selectivity by reacting an aromatic compound such as toluene and/or benzene with a reactant(s) from fuel syngas such as a combination of hydrogen and carbon monoxide and/or carbon dioxide and/or methanol,or methylating age ...



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