Phosporous removal from animal waste

Details Phosporous removal from animal waste Phosporous removal from animal waste

2005-08-02

2005-08-02

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C210S716000, C210S723000, C210S906000

Reexamination Certificate

active

06923917

ABSTRACT:
The subject invention is related to a method for removing bio-available phosphorus from animal waste and soil using an industrial byproduct from a metal manufacturing process. The byproduct is used to treat organic waste, such as animal waste and poultry litter, and immobilize bio-available phosphorus present in them. The byproduct is also used to treat organic waste to produce fertilizers, which are used to amend the soil and control the level of phosphorous present in the soil. The disclosed method strikes a balance between providing enough nutrients to the soil to grow crops, while preventing loss of phosphorous to surface water.

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patent: WO99/04878 (1999-02-01), None

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