Apparatus for waste water treatment

Details Apparatus for waste water treatment Apparatus for waste water treatment

1987-02-17

1989-07-04

Wyse, Tom

Liquid purification or separation

Recirculation

Serially connected distinct treating or storage units

210208, 210220, 210262, 210527, C02F 312

Patent

active

048448001

ABSTRACT:
A method and apparatus for the treatment of waste water. The method comprises a primary sedimentation stage, an activation stage comprising high, medium and then low loading rate oxidation stages, a filtering stage and a clarification stage. All of these stages are performed in a single flat-bottomed parallelepipedal basin. The water treatment apparatus comprises a sludge recirculator (23, 24), an aerator (22, 25), a skirt (26), a filter (29) and a horizontal laminar flow clarifier (27). The clarifier is made up of a succession of inclined baffles (27a) joined together in pairs at their upper and lower edges. Sludge aspirator pipes (28) are provided adjacent the bottoms of the inclined baffles.

REFERENCES:
patent: 3330413 (1967-07-01), Danjes
patent: 3709792 (1973-01-01), Hampton
patent: 3834540 (1974-09-01), Bernard
patent: 3846291 (1974-11-01), Brucker
patent: 4190541 (1980-02-01), Wade et al.
patent: 4383922 (1983-05-01), Beard
patent: 4422929 (1983-12-01), Owens
patent: 4446018 (1984-05-01), Cernick
patent: 4652371 (1987-03-01), Love

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