John A Miller, Murray L Beadles, Roger O Drummond: Sustained release bolus formulations containing insect growth regulators for control of livestock pests. The United States of America represented by the Secretary of Agriculture, M Howard Silverstein, David G McConnell, Salvador J Cangemi, August 28, 1979: US04166107 (35 worldwide citation)

Compositions of insect regulators comprising monostearin, carnuba wax, barium sulfate, methoprene, and diflubenzuron are selectively formulated into a sustained-release bolus and orally administered to livestock to control the larvacidal activity of arthropods in the manure of the livestock.

John C Redden Jr, Robert E Bush, Jason W Helton, James H Teaney: Process for using animal waste as fuel. Northwest Missouri State University, Hovey Williams Timmons & Collins, November 21, 2000: US06149694 (34 worldwide citation)

A fuel product derived from waste products and processes for using and forming the products are provided. Broadly, the fuel product comprises a self-sustaining body formed from a homogenous mixture including solid components derived from livestock waste (e.g., swine manure) and a second waste produc ...

Steven N Kolber: Treatment of waste produced by farm animals raised under confined conditions. Steven N Kolber, Myers Bigel Sibley & Sajovec P A, February 20, 2001: US06190566 (33 worldwide citation)

Noxious odors and water pollution commonly associated with the raising of hogs, cattle or poultry under confined conditions are eliminated by replacing the conventional waste lagoon and waste spreading fields with a wastewater treatment plant. The treatment plant extracts manure from the wastewater, ...

Wallace R Lasonde: Biomass converters and processes. Skill Associates, Wilhelm Law Service, Thomas D Wilhelm, February 26, 2008: US07334345 (32 worldwide citation)

This invention pertains to a bio-mass processing system, and method of processing waste bio-mass, wherein one or more mixers mixes a bed of bio-mass material such as manure at substantially any and all locations in a defined length and width portion of the bed, in a dryer. Heated air percolates upwa ...

Hugo Imhof: Process for making extruded cattle manure pellets. F Societe Agricole et Fonciere, Robert E Burns, Emmanuel J Lobato, Bruce L Adams, April 4, 1978: US04082532 (32 worldwide citation)

Cattle manure is mixed and batches are separately brought into the form of a coherent substantially homogeneous pulp with a moisture content between 50 and 55% by weight, by heating with exhaust gases, drying in an oven, admixing dry material, and spraying dry material with liquid manure recuperated ...

David E Hallberg, Victor W Schlesinger: Process of using wet grain residue from ethanol production to feed livestock for methane production. Dakota Energy, Lorusso & Loud, March 12, 2002: US06355456 (32 worldwide citation)

An integrated continuous process for the production of ethanol and a bio-gas containing methane is disclosed. The process comprises the following steps. First, grain is fermented in an aqueous medium to produce ethanol in the medium which contains a wet distillers' grain with solubles as a wet ...

Ken Stamper, Richard Skinner: Process for producing energy, feed material and fertilizer products from manure. Dunlap Codding & Rogers P C, February 18, 2003: US06521129 (32 worldwide citation)

A process for treating manure using anaerobic digestion includes introducing manure into a mixing vessel containing a digester liquid and agitating and filtering a slurry formed therefrom to remove substantially all water insoluble solids, thereby leaving a liquid containing ammonia and reactive org ...

Folke Engstrom: Method of generating energy from low-grade alkaline fuels. A Ahlstrom Corporation, Nixon & Vanderhye, June 30, 1987: US04676177 (31 worldwide citation)

Heat energy is generated from low-grade alkaline fuels (such as manure and lignite) in a gasifier-combustor system. The fuel is gasified at a temperature of less than 900.degree. C. in a circulating fluidized bed gasifier comprising a first cyclone separator. The gas leaving the first separator is c ...

Stephen W Dvorak: Method and apparatus for solids processing. GHD, Michael Best&Friedrich, September 17, 2002: US06451589 (31 worldwide citation)

This invention provides a waste-processing system capable of processing high-solids wastes such as manure. This invention provides a compact U-shaped digester that allows for recycling of activated sludge to improve the efficiency of the process. Efficiency is also improved through a sludge heating ...

Kissinger Jr Ralph: Sanitary flushable floor for cattle confinement feedlots. Erickson Lennart G, Townsend and Townsend, January 14, 1975: US3859962 (30 worldwide citation)

An improved feedlot floor and sub-floor construction for use in close confinement feeding of cattle and other farm animals. The floor includes a plurality of inclined solid plane floor surfaces sloping downward to floor slots connecting to sub-floor collector tubes or channels. Animal manure waste p ...