Method of treating wastewater sludge

Details Method of treating wastewater sludge Method of treating wastewater sludge

1987-02-27

1988-11-01

Wyse, Tom

Liquid purification or separation

Processes

Chemical treatment

210764, 210916, 71 13, C02F 1114

Patent

active

047818425

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 at least two hours and drying the resulting mixture by an aeration process.

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 (1985-09-01), Schwab et al.

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