Wastewater treatment system with controlled mixing

Details Wastewater treatment system with controlled mixing Wastewater treatment system with controlled mixing

1973-11-12

1976-05-04

Hart, Charles N.

Liquid purification or separation

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

Responsive to fluid flow

210 15, 261 91, C02C 102

Patent

active

039546063

ABSTRACT:
A wastewater treatment system of the activated sludge type is disclosed in which variable degrees of effective staging of the mixed liquor are achieved in an oxygenated aeration basin without the use of walls or partitions to physically divide the mixed liquor into separate liquid stages.

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patent: 3559964 (1971-02-01), Kelsterback et al.
patent: 3701727 (1972-10-01), Kormanik
patent: 3709364 (1973-01-01), Savage
patent: 3725258 (1973-04-01), Spector
patent: 3733264 (1973-05-01), Spector
patent: 3796788 (1974-03-01), Blickle
Lelli, "Backmixing in Multistage Mixer Column," Chemical Engineering Science, Vol. 27, pp. 1109-1117, 1972.

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