Liquid purification or separation – Processes – Chemical treatment
Patent
1996-06-20
1997-12-16
McCarthy, Neil
Liquid purification or separation
Processes
Chemical treatment
210768, 210770, C02F 1114
Patent
active
056981104
ABSTRACT:
A process and composition for the treatment of animal excrement that has collected in an enclosure housing animals is disclosed. The process includes the steps of flushing the enclosure to produce a stream containing water and suspended particulate excrement and passing the stream through a filtration system comprising at least one filter having a filter medium for trapping substantially all of the solid animal excrement and filtering liquid from the excrement to produce an animal excrement mixture containing the solid animal excrement and the filter medium. A deodorizing composition is mixed into this animal excrement mixture. The deodorizing composition contains about 5 percent to about 90 percent by weight of lime, and about 10 percent to about 95 percent by weight of cellulose. The deodorizing composition is mixed with animal excrement mixture in a relative proportion of about 1 to 20 parts by weight animal excrement mixture to about 1 part by weight deodorizing composition. The treated animal excrement mixture is dried and removed for use as fertilizer after a period of time.
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Agricultural Waste Management, Inc.
McCarthy Neil
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