C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 11/14 (2006.01) C02F 1/44 (2006.01) C05F 3/00 (2006.01)
Patent
CA 2200164
A low cost efficient method and system for treating animal waste and in particular pig and swine solid and liquid manure to allow removable of undesirable odors and return of sludge and liquid safely to the environment to eliminate or reduce pollution. The method and system include collecting the manure into a central tank and using a continuous process to compress the manure to separate liquid from the solid sludge and transferring the separated liquid to a separate holding tank. The dried out sludge is collected as a residual and can be safely returned to the environment. Calcium carbonate may be added to the residual sludge to reduce odor. A polymer may be added to the pressing stage of the sludge to enhance liquid sludge separation. The separated liquid is then treated with a pressure filter membrane to remove undesirable elements from the liquid after which is filtered and is returned safely to the environment either to a natural stream to a sewage system or for agricultural uses.
Grandbois Denys
Tetrault Madeleine
Goudreau Gage Dubuc
Grandbois Denys
Purin-Pur Inc.
Tetrault Madeleine
LandOfFree
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