Separation of purified water and nutrients from agricultural and farm wastes
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United States of America Patent
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Jan 21, 2003
Grant Date -
Jul 4, 2002
app pub date -
Oct 23, 2001
filing date -
Oct 26, 2000
priority date (Note) -
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Abstract
Methods and systems for separation of purified water and nutrients from organic waste. Separated purified water can be used as fresh water in agricultural and farm operations, and nutrients can be converted to fertilizers. Treated organic waste includes complex organic waste with settleable and nonsettleable material that has not been subjected to a conventional lagoon primary treatment. These methodology eliminates the need for land application of residual waste stream and it comprises operations such as controlled freezing and thawing, and optionally evaporation.
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