1
Sambhunath Ghosh, Donald L Klass: Two phase anaerobic digestion. Institute of Gas Technology, Dominik Knechtel Godula & Demeur, May 10, 1977: US04022665 (104 worldwide citation)

An improved two phase anaerobic digestion process in which an initial phase continually receives an organic feed for short detention times of less than two days under conditions which efficiently liquefy and breakdown the feed to lower molecular weight acids and other intermediates for conversion to ...


2
Vipul J Srivastava: Two-phase anaerobic digestion of carbonaceous organic materials. Institute of Gas Technology, Speckman Pauley & Fejer, March 19, 1996: US05500123 (42 worldwide citation)

A process for improved methane production by two-phase anaerobic digestion of organic carbonaceous material in which organic carbonaceous material is fermented under anaerobic conditions in an acid phase digester, forming a liquid/solids effluent, the liquid/solids effluent is fermented under anaero ...


3
Charles G Steiner: Two phase anaerobic digestion process utilizing thermophilic, fixed growth bacteria. Purification Industries International, Litman McMahon and Brown L L C, May 20, 1997: US05630942 (41 worldwide citation)

An improved anaerobic waste water treatment process comprising the steps of introducing waste water containing organic material into a first reaction zone containing thermophilic, fixed growth, hydrolytic and acidogenic bacteria and fermenting the waste water in the first reaction zone under anaerob ...


4
Sambhunath Ghosh, Donald L Klass: Two phase anaerobic digester system. Institute of Gas Technology, Knechtel Valentino Demeur & Dallas, March 9, 1982: US04318993 (39 worldwide citation)

A two phase anaerobic digestion process in which an initial phase continually receives an organic feed for short detention times of less than two days under conditions which efficiently liquefy and breakdown the feed to lower molecular weight acids and other intermediates for conversion to methane. ...


5
Sambhunath Ghosh, David P Chynoweth, Paul B Tarman: Two phase anaerobic digestion. Institute of Gas Technology, Thomas W Speckman, September 29, 1987: US04696746 (27 worldwide citation)

A two phase anaerobic digestion process for production of methane from organic carbonaceous material in which an active acid forming microbial population is maintained in a first acid forming digestion phase and an active methane forming microbial population is maintained in a second methane forming ...


6
Thomas D Hayes, H Ronald Isaacson, James R Frank: Production of high methane content product by two phase anaerobic digestion. Gas Research Institute, Thomas W Speckman, February 2, 1988: US04722741 (24 worldwide citation)

An improved anaerobic digestion process is provided to enhance the methane content of product gas so that no further processing may be required for utilization as high quality, high Btu gas comprising greater than 90 percent methane. Operating conditions of lowered carbon dioxide influent concentrat ...


7
Srivastava Vipul J: Digestion anaerobie en deux phases de matieres organiques carbonees, Two-phase anaerobic digestion of carbonaceous organic materials. Institute Of Gas Technology, MACRAE & CO, July 6, 1995: CA2180016

A process for improved methane production by two-phase anaerobic digestion of organic carbonaceous material in which organic carbonaceous material is fermented under anaerobic conditions in an acid phase digester, forming a liquid/solids effluent, the liquid/solids effluent is fermented under anaero ...


8
Bi Lanping, Guan Zhengjun, Li Wenzhe, Zhang Hongqiong: Cattle manure anaerobic fermentation process. Northeast Agricultural University, July 28, 2010: CN201010130631

The invention relates to a cattle manure anaerobic fermentation process which belongs to the technical field of anaerobic fermentation; the process comprises the following steps that: (1) a fluid spiral squeezing solid-liquid separator separates the fiber in cattle manure from raw materials which ca ...


9
Srivastava Vipul J: Two-phase anaerobic digestion of carbonaceous organic materials. Institute Of Gas Technology, sPAULEY Douglas H, July 6, 1995: WO/1995/018072

A process for improved methane production by two-phase anaerobic digestion of organic carbonaceous material in which organic carbonaceous material is fermented under anaerobic conditions in an acid phase digester, forming a liquid/solids effluent, the liquid/solids effluent is fermented under anaero ...


10
Liu Baoqing, Jiang Jialing, Lin Xinghua: Reactor for producing acid phase with diphasic anaerobic digestion of urban biomass garbage. Zhejiang University, Lin Fuyu, April 8, 2009: CN200810121351

The invention discloses a two-phase anaerobic digestion acidogenic phase reactor for municipal biomass waste. The acidogenic phase reactor is provided with an enclosed vertical kettle formed with a thin corrosion resistant stainless steel inner barrel and a common carbon steel outer barrel. The kett ...



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