Method of treating wastewater sludge

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United States of America Patent

PATENT NO 4781842
SERIAL NO

07019888

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Abstract

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A method of decontaminating wastewater sludge to a level that meets or exceeds USEPA Process to Further Reduce Pathogens standards, wherein lime or kiln dust and/or other alkaline materials are mixed with wastewater sludge in sufficient quantity to raise the pH of the mixture to 12 and above for at least two hours and drying the resulting mixture by an aeration process.

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Patent Owner(s)

Patent OwnerAddress
N-VIRO INTERNATIONAL CORPORATION3450 W CENTRAL AVENUE SUITE 328 TOLEDO OH 43606

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nicholson, John P Toledo, OH 19 729

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