Apparatus for treating activated sludge and method of cleaning i

Details Apparatus for treating activated sludge and method of cleaning i Apparatus for treating activated sludge and method of cleaning i

1992-03-04

1993-03-09

Dawson, Robert A.

Liquid purification or separation

Processes

Separating

2101952, 210232, 210256, 210295, 21032175, 2103232, 210332, B01D 2446, C02F 300

Patent

active

051924560

ABSTRACT:
An activated sludge treating apparatus for use in treating wastewater, such as gray water and sewage. A plurality of filter membrane modules are vertically arranged in parallel at predetermined intervals within a treating tank. The water to be treated which is stored in the treating tank is separated into solid and liquid by the filter membrane modules, and water that has passed through the filter membrane modules is extracted as treated water. An agitating device is disposed at a level below the filter membrane modules.

REFERENCES:
patent: 1724436 (1929-08-01), Swetland
patent: 3407572 (1968-10-01), Tolley
patent: 3849305 (1974-11-01), Manjikian
patent: 4749654 (1988-06-01), Karrer et al.
patent: 4832841 (1989-05-01), Gutman et al.

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