1
Jack L Ainsworth, Dan Atwood, Tom Rideout: Anaerobic digester system. Rick Matos, Innovar L L C, October 9, 2001: US06299774 (90 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
Byron A McDonald: Digester and process for converting organic matter to methane and fertilizer. John T Matlago, July 11, 1978: US04100023 (69 worldwide citation)


A digester is disclosed for controlling the decomposition of organic matter to produce a useful gas and a liquid fertilizer. The digester comprises three slurry chambers connected in tandem by passthrough tubes. A fourth chamber used for gas collection is located above the three slurry chambers. An ...


3
Iman W Koster, Abraham Klapwijk: Method and apparatus for processing manure. Ecotechniek, Harness Dickey & Pierce, March 1, 1994: US05290451 (54 worldwide citation)


The invention relates to a method for processing manure, liquid manure and/or Kjeldahl-N containing waste water being subjected to a nitrification in an aerated reactor containing active sludge and to a denitrification in a high rate recirculation denitrification reactor (13) containing a very compa ...


4
Juan Carlos Josse, John William Sutherlin: Organic slurry treatment process. International Waste Management Systems, Stoll Keenon & Park, February 17, 2004: US06692642 (51 worldwide citation)


A process is provided for full treatment of animal manure and other organic slurries containing suspended solids, and dissolved organic matter, nitrogen, and phosphorus, without the need for anaerobic digestion or anaerobic stabilization lagoons. The process includes: centrifugal decanting, floccula ...


5
Jack L Ainsworth, Dan Atwood, Tom Rideout: Integrated anaerobic digester system. Rick Matos, Innovar L L C, May 27, 2003: US06569332 (48 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 ...


6
Nesseth Clifford A: Manure storage pit pump. Mentag Robert G, October 28, 1975: US3915594 (43 worldwide citation)


A manure storage pit pump for attachment to a tractor having a power output shaft and a hitch means for loading manure into a liquid manure transfer tank mounted on a vehicle such as a spreader vehicle or a truck, or for agitating manure in a storage pit. The pump includes a support frame for detach ...


7
John N Karnemaat: Process for treating animal waste. General Environmental Systems Co, Woodhams Blanchard and Flynn, February 17, 1976: US03939280 (42 worldwide citation)


A process of treating poultry manure with acid, formaldehyde and urea to obtain a pathogen-free product suitable as a feedstuff for ruminant animals.


8
Lennart G Erickson, Howard E Worne: Bio-protein feed manufacturing method. Townsend and Townsend, August 9, 1977: US04041182 (40 worldwide citation)


A five-step manufacturing method using broad spectrum hydrolytic enzymes to decompose the volatile fraction of organic waste materials into lower molecular weight, intermediate substrate nutrients to be consumed in turn by selected microorganisms to produce a cellular biomass of microbial cells subs ...


9
Lennart G Erickson, Howard E Worne: Organic sludge-energy recycling method. Townsend and Townsend, August 3, 1982: US04342650 (40 worldwide citation)


A method is described for converting substantially untreated organic sludge into useful substances. The sludge may include primary sludge, a mixture of primary and secondary sludges from municipal wastewater treatment facilities, slurries of agricultural manure, and other organic wastes. The sludge ...


10
Peter F Santina, Anil K Chatterjee: Manure digester and power generating system. Santina and Thompson, Thomas M Freiburger, June 14, 1988: US04750454 (39 worldwide citation)


A manure digester and power generating system includes a mixing tank for receiving manure, a closed, anaerobic manure digester tank of fixed volume, and a gas-fueled engine and a generator coupled to the engine, for generating electrical power. Manure is scraped into the mixing tank daily, where it ...



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