Activated sludge process

Details Activated sludge process Activated sludge process

1976-06-17

1977-10-25

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210151, C02C 510

Patent

active

040554902

ABSTRACT:
In the activated sludge process for treating waste water containing a spongy substance in a flowing state by subjecting it to aeration in an aeration tank, an improved process comprising taking out a portion of said spongy substance from the aeration tank continuously in order to remove a part of the sludge adhering to the spongy substance and then returning the thus reclaimed spongy substance into the aeration tank for reuse.

REFERENCES:
patent: 3617551 (1971-11-01), Johnston
patent: 3779906 (1973-12-01), Levin

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