Activated sludge system

Details Activated sludge system Activated sludge system

1981-08-17

1983-01-18

Castel, Benoit

Liquid purification or separation

With means to add treating material

Spaced along flow path

2102212, 210258, C02F 320

Patent

active

043691110

ABSTRACT:
In order to obtain a more intense and quicker sewage purification and a better retaining of the activated sludge flocks in an activated sludge system with aeration tank and subsequently arranged secondary settler, the aeration tank is constructed as a sealed pressure reservoir (10) to which oxygenous gas can be supplied under pressure for dissolution in water, where the secondary settler is a flotation basin (24) and the pressure from the pressure reservoir (10) is available for flotation.

REFERENCES:
patent: 3444076 (1969-05-01), Sekikawa et al.
patent: 3945922 (1976-03-01), Jagusch et al.
patent: 4069149 (1978-01-01), Jackson
patent: 4070292 (1978-01-01), Adams
patent: 4071443 (1978-01-01), Gorski et al.
patent: 4085041 (1978-04-01), Fullerton et al.
patent: 4274959 (1981-06-01), Roediger

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