1
Child Edward T: Production of methane-rich gas. Texaco Development Corporation, Whaley T H, Ries C G, Brent Albert, November 25, 1975: US3922148 (242 worldwide citation)

This is an improved continuous process for producing a clean methane-rich gas stream without the concomitant formation of particulate carbon which would ordinarily decrease the efficiency of the process and shorten the life of the catalyst. By-product superheated steam is simultaneously produced at ...


2
Process for the production of methane rich gas utilising a combined shift and methanation reaction. Bituminous Coal Research, March 23, 1977: GB1467995-A (43 worldwide citation)

1467995 Methane-rich gas BITUMINOUS COAL RESEARCH Inc 8 Oct 1974 [26 Oct 1973] 43550/74 Heading C5E Methane-rich pipe-line gas is made from a synthesis gas comprising hydrogen, methane, oxides of carbon and hydrogen sulphide and produced by the gasification of a carbonaceous feed by cooling, if the ...


3
Roger G Duranleau, Walter C Gates Jr: Production of methane-rich gas. Texaco, Carl G Ries, Robert A Kulason, Albert Brent, July 27, 1982: US04341531 (16 worldwide citation)

Methane-rich gas is produced by reacting gas mixtures comprising CO and at least one member selected from the group consisting of H.sub.2 and H.sub.2 O, such as synthesis gas, in a reactor containing an improved unsupported catalyst comprising an alkali-metal promoted partially reduced mixture of at ...


4
Child Edward T, Robin Allen M, Slater William L, Richter George N: Production of methane-rich gas stream. Texaco, Whaley T H, Ries C G, Brent Albert, December 23, 1975: US3927998 (11 worldwide citation)

Improved process for the production of a methane-rich product gas stream comprising the following steps: partial oxidation of a hydrocarbonaceous fuel feed employing a H.sub.2 O/fuel weight ratio of 2.2 to 2.9 and an atomic ratio of oxygen in the substantially pure oxygen to carbon in the fuel of 0. ...


5
Roger G Duranleau, Walter C Gates Jr: Catalyst for the production of methane-rich gas. Texaco, Carl G Ries, Robert A Kulason, Albert Brent, September 6, 1983: US04402868 (1 worldwide citation)

Methane-rich gas is produced by reacting gas mixtures comprising CO and at least one member selected from the group consisting of H.sub.2 and H.sub.2 O, such as synthesis gas, in a reactor containing an improved unsupported catalyst comprising an alkali-metal promoted partially reduced mixture of at ...


6
Matthew Silver, Justin Buck, Noah Taylor: Systems and devices for treating water, wastewater and other biodegradable matter. Capitol Patent & Trademark Law Firm PLLC, October 3, 2017: US09776897

The invention relates to bio-electrochemical systems for the generation of methane from organic material and for reducing chemical oxygen demand and nitrogenous waste through denitrification. The invention further relates to an electrode for use in, and a system for, the adaptive control of bio-elec ...


7
Andre Francois, Fages Pierre: Process for recovering the fuel gases produced by liquid-phase anaerobic fermentation of organic materials and fermenters for implementing this process. Bec Freres, October 6, 1989: FR2629470-A1

The subject of the invention is a process for recovering the fuel gases produced by liquid-phase anaerobic fermentation of organic materials and fermenters for implementing this process. A fermenter 1 according to the invention comprises a cylindrical tank 2 made from prestressed reinforced concrete ...


8
WIX CHRISTIAN : [de] Verfahren zur Herstellung von methanreichem Gas, [en] Process for production of methane rich gas, [fr] Procédé de production de gaz riche en méthane. HALDOR TOPSÖE  , May 11, 2016: EP3018190-A1

[en] The invention relates to process for production of a methane rich product gas comprising the steps of: (a) providing a feed gas comprising carbon oxide such as carbon monoxide and/or carbon dioxide, and hydrogen, (b) reacting said feed gas in the presence of a catalyst in one or more methanatio ...


9
A process for the production of methane-rich gas mixtures. Bataafsche Petroleum, August 4, 1960: GB843459-A

843,459. Combustible gas. BATAAFSCHE PETROLEUM MAATSCHAPPIJ N.V., DE. Oct. 8, 1958 [Oct. 10, 1957], No. 32119/58. Class 55 (2). A process for producing a combustible gas for use as town gas comprises reacting a gaseous mixture consisting mainly or entirely of hydrogen and carbon monoxide, at a tempe ...


10
WIX Christian, SKJØDT RASMUSSEN: PROCÉDÉ POUR LA PRODUCTION DE GAZ RICHE EN MÉTHANE, PROCESS FOR THE PRODUCTION OF METHANE RICH GAS. HALDOR TOPSØE, WIX Christian, SKJØDT RASMUSSEN, June 28, 2012: WO/2012/084076

A process is disclosed for production of a methane rich product gas comprising the steps of (a) providing a feed comprising carbon oxide such as carbon monoxide and/or carbon dioxide, hydrogen and at least 1% C2+ hydrocarbons. (b) adding a flow comprising steam to said feed forming a reacting feed m ...