Patent ID: 7410589
Filing Date: 2008-08-12
Classification: A01C,C02F,C05D,C05F,Y02A,Y02P,Y10S

Abstract:
1. A method of treating manure comprising: a) mixing a quantity of manure with lime such that said mixture has a pH above 11.0 and ammonia is volatilized within said mixture; b) removing ammonia volatilized from said mixture during mixing, thereby producing deodorized and sterilized manure; c) adding a cationic, anionic or non-ionic flocculating or coagulating polymer to said deodorized and sterilized manure, thereby producing a slurry comprising a solid portion including flocs and a liquid portion; d) separating the solid portion from the liquid portion of the slurry; e) adding MgCl f) separating the struvite-containing flocs from the liquid portion.