Closed loop processing system for waste and crops

Details Closed loop processing system for waste and crops Closed loop processing system for waste and crops

2006-02-21

2006-02-21

Popovics, Robert James (Department: 1724)

Liquid purification or separation

With heater or heat exchanger

Flow line connected in series with distinct separator

C210S188000, C210S196000, C210S259000, C210S295000, C210S400000, C210S526000, C210S770000, C210S774000, C034S378000, C034S398000, C034S424000, C119S447000

Reexamination Certificate

active

07001512

ABSTRACT:
A process for treating waste products discharged in a waste water from an animal operation, such as a swine confinement facility includes a holding tank for receiving waste water from the flushing of the facility in which solids to accumulate at the bottom thereof; wherein as conveyor transfers solids from said bottom at a rate preventing agitation of the waste water, to a compactor for removing additional water content and to a product dryer for converting the solids into a dry product. The product dryer includes a water heating system with water lines connected in a closed loop to the holding tank. The heating system thermal treats the circulating waste water and waste solids to a temperature sufficient to reduce undesired constituents therein. The product dryer is vented to a separator for recovering ammonia contents in the waste material.

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