Method for treating wastewater sludge

Details Method for treating wastewater sludge Method for treating wastewater sludge

1988-01-28

1990-02-20

Wyse, Tom

Liquid purification or separation

Processes

Chemical treatment

210764, 210916, 71 13, C02F 1114

Patent

active

049024310

ABSTRACT:
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 a predetermined time and drying the resulting mixture.

REFERENCES:
patent: 3915853 (1975-10-01), Luck
patent: 3960718 (1976-06-01), Lebo
patent: 4124405 (1978-11-01), Quienot
patent: 4230568 (1980-10-01), Chappell
patent: 4514307 (1985-04-01), Chestnut et al.
patent: 4541986 (1985-04-01), Schwab et al.
patent: 4781842 (1988-11-01), Nicholson

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