Patent ID: 6824691
Filing Date: 2004-11-30
Classification: C02F,Y02W,Y10S

Abstract:
A process for treating liquid manure consisting of:homogenizing the liquid manure; introducing the homogenized liquid manure into a tank at a relatively constant flow rate into which a tertiary or quaternary polyacrylamide is introduced in an amount of between 80 ppm and 140 ppm and stirring for a time ranging from 5 to 15 minutes to bring about an interchange of electrons so that molecular bridge are formed and colloids and solids in suspension are flocculated; separating the solids from the liquid; eliminating any remaining solids in suspension from the liquid by flotation and coalescence of colloidal particles; removing suspended solids from the liquid; and, optionally, adding a bactericidal substance following the removal of the suspended solids from the liquid.