Pumpless clarifier apparatus and process for operation thereof i

Details Pumpless clarifier apparatus and process for operation thereof i Pumpless clarifier apparatus and process for operation thereof i

1982-10-12

1985-04-23

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210629, 210194, 2101953, 210197, 210220, 210926, 261 91, 261 93, C02F 320

Patent

active

045128952

ABSTRACT:
An integral clarifier is provided that operates without a pump by deriving the clarifier feed stream and its accompanying pump head from the flow being pumped through the draft tube of a draft tube circulator/aerator assembly in a complete mix system or in a basin oxidation ditch. The clarifier feed stream is delivered to the clarifier with this pump head substantially intact to create a differential hydraulic head between the surface of the clarified liquor within the clarifier and the surface of the mixed liquor within the complete mix tank or within the endless channel of the barrier oxidation ditch. The clarifier may be located in any suitable place but is preferably alongside the complete mix tank or alongside the discharge channel of the barrier oxidation ditch, within the discharge channel so that its upstream side forms the barrier, or surrounded by the endless channel, particularly if the clarifier and the ditch are circular in shape.

REFERENCES:
patent: 3421626 (1969-01-01), Schramm et al.
patent: 4199452 (1980-04-01), Mandt
patent: 4383922 (1983-05-01), Beard
patent: 4394268 (1983-07-01), Reid
The Kansas City Times; Front Page & Continuation Therefrom; "Innovative Sewage Treatment Plan a Winner"; 2/22/82.

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