Method for treating hog and animal waste

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

Reexamination Certificate

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C071S015000, C071S021000, C071S061000, C210S705000, C210S712000, C210S718000, C210S725000, C210S727000, C210S764000, C210S903000, C426S480000

Reexamination Certificate

active

10852493

ABSTRACT:
An animal treatment method comprises flushing the animal waste from a barn to a holding tank where the waste is mixed with an alkaline solution to kill pathogens. After neutralization, the solution is separated into solids and liquids. The liquid is treated and recycled as flushing water to clean the barns and/or drinking water for the animals. The solids are separated into digested and undigested feed. The digested feed is further processed for use as a fertilizer and the undigested feed is processed for use as animal feed.

REFERENCES:
patent: 3875319 (1975-04-01), Seckler et al.
patent: 4018899 (1977-04-01), Seckler et al.
patent: 4381996 (1983-05-01), Kugler et al.
patent: 4765900 (1988-08-01), Schwoyer et al.
patent: 6083386 (2000-07-01), Lloyd
patent: 6245121 (2001-06-01), Lamy et al.
patent: 6409788 (2002-06-01), Sower
patent: 6464875 (2002-10-01), Woodruff

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