Method for the preservation of an activated sludge

Details Method for the preservation of an activated sludge Method for the preservation of an activated sludge

1979-03-22

1980-11-04

Wyse, Thomas G.

Liquid purification or separation

Processes

Treatment by living organism

210603, C02F 312

Patent

active

042318629

ABSTRACT:
A method for the preservation of activated sludge of a waste water purification stage, wherein preservation of such activated sludge is accomplished by flushing with a gas mixture containing at least carbon dioxide and a low oxygen content.

REFERENCES:
patent: 3623975 (1971-11-01), Cardinal et al.
patent: 3960717 (1976-06-01), Wyatt
patent: 4130481 (1978-12-01), Chase et al.

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