1
Jack L Ainsworth, Dan Atwood, Tom Rideout: Anaerobic digester system. Rick Matos, Innovar L L C, October 9, 2001: US06299774 (96 worldwide citation)

A process to recover energy, reduce pollution potential, and add value to organic waste such as animal manure is described. The process involves the anaerobic digestion of feedstocks, such as animal manure, at low to high temperatures in batch, semi-continuous or continuous reactors. The process mak ...


2
Jack L Ainsworth, Dan Atwood, Tom Rideout: Integrated anaerobic digester system. Rick Matos, Innovar L L C, May 27, 2003: US06569332 (49 worldwide citation)

A process to recover energy, reduce pollution potential, and add value to organic waste such as animal manure is described. The process involves the anaerobic digestion of feedstocks, such as animal manure, at low to high temperatures in batch, semi-continuous or continuous reactors. The process mak ...


3
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. ...


4
James D McElvaney: Anaerobic digester system and method. Leighton K Chong, July 3, 2001: US06254775 (30 worldwide citation)

An anaerobic digester system has a vertically upright vessel, a matrix arranged in the vessel supporting a microorganism biomass thereon, an input for supplying an input slurry of liquid and suspended solids at an upper portion of the vessel above the matrix, a gas output at the top of the vessel fo ...


5
Leon Breckenridge: Anaerobic digester system. Stratton Ballew PLLC, October 2, 2001: US06296766 (21 worldwide citation)

A method for an anaerobic digester system is provided that employs a cumulative data base to better monitor and control the anaerobic process, as compared with conventional anaerobic digester systems. The method includes the storing and ensiling of a feedstock, preferably a biomass, to form a digest ...


6
Paul M Sutton: Method for wastewater treatment with resource recovery and reduced residual solids generation. Envirogen Technologies, RatnerPrestia, May 11, 2010: US07713417 (6 worldwide citation)

A wastewater treatment system is provided including an aerobic membrane bioreactor and an anaerobic digester system connected to receive wasted solids continuously from the aerobic membrane bioreactor and also connected to return effluent from the anaerobic digester system continuously to the aerobi ...


7
Kurt Frederich Roos: Anaerobic digester system for animal waste stabilization and biogas recovery. The United States of America represented by the United States Environmental Protection Agency, Weiss & Moy PC, Janine R Novatt, January 22, 2008: US07320753 (6 worldwide citation)

An ambient anaerobic digester system for anaerobic digestion of animal waste with biogas production and recovery is provided. The anaerobic digester system includes a substantially flexible bladder for anaerobically digesting the animal waste with biogas production and transmitting the biogas to at ...


8
Kurt Fredrich Roos: Anaerobic digester system for animal waste stabilization and biogas recovery. The United States of America represented by the Administrator of the U S Environmental Protection Agency, Weiss & Moy P C, March 6, 2007: US07186339 (4 worldwide citation)

An ambient anaerobic digester system for anaerobic digestion of animal waste with biogas production and recovery is provided. The anaerobic digester system includes a substantially flexible bladder for anaerobically digesting the animal waste with biogas production and transmitting the biogas to at ...


9
William J Lingo Sr: Converter for biodegradable material. Biebel French & Nauman, February 24, 1987: US04645594 (3 worldwide citation)

An anaerobic digester system for biodegradable materials comprises a closed generally cylindrical digester tank supported with its axis vertical and with the majority of its height below ground. The tank includes a gas collecting region at its top above a predetermined normal liquid level within the ...


10
Jones Ian Robert, Logan Peter Alan: Treatment of waste activated sludge. Fungi Gulp, Jones Ian Robert, Logan Peter Alan, FISHER ADAMS KELLY, April 8, 2004: WO/2004/028981 (1 worldwide citation)

A process for treatment of waste activated sludge from a BNR process, which includes the steps of: (a) concentration of the activated sludge from a total solids content (dry weight) of 0.1-1.0 % w/v to an increased solids content of 1.5-5.0 % w/v, wherein said solids largely contain bacterial biomas ...



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