Waste water treatment system with aeration and circulation means

Details Waste water treatment system with aeration and circulation means Waste water treatment system with aeration and circulation means

1979-08-06

1981-05-26

Spitzer, Robert H.

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210219, 210926, C02F 318, C02F 174

Patent

active

042697093

ABSTRACT:
A flowing liquid system in which means are provided for simultaneously aerating and circulating said liquid comprising surface aerator means cooperating with partition means extending into a communication section between a first channel and a second channel with the aerator means located on the second channel side of and separated from the partition means and closer to the partition means than to the outside of the communication section, said system being particularly suited for use in an activated sludge waste water treatment system.

REFERENCES:
patent: 3473790 (1969-10-01), Auler et al.
patent: 3510110 (1970-05-01), Klein
patent: 3900394 (1975-08-01), Rongved
patent: 3977965 (1976-08-01), Tholander et al.
patent: 3990974 (1976-11-01), Sullins
patent: 4080292 (1978-03-01), Przybylowicz et al.
patent: 4081368 (1978-03-01), Block et al.
Walker, "Rotor Aeration of Oxidation Ditches", 6/1962, Water & Sewage Works, pp. 238-241.

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