Sewage treatment system

Details Sewage treatment system Sewage treatment system

1977-04-14

1979-03-13

Spitzer, Robert H.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Diverse sensing means

210136, 210152, 210173, 210210, 210219, 210416L, 241 4617, 241154, B01D 3500, B02C 2338

Patent

active

041441672

ABSTRACT:
A system including an evacuator apparatus, an especially configured centrifugal mill, and a self cleaning screen is employed for treatment of aqueous sewage. The system expedites satisfaction of the biochemical oxygen demand and separates the solids from the sewage so that the treated water is suitable for uses such as irrigation, equipment cooling and the like, and the separated solids are suitable for use in fertilizers.

REFERENCES:
patent: 1932037 (1933-10-01), Gylstrom
patent: 2300039 (1942-10-01), Yeomans et al.
patent: 2695755 (1954-11-01), Denovan et al.
patent: 2894697 (1959-07-01), Panning et al.
patent: 3049489 (1962-08-01), Ciabattari
patent: 3065919 (1962-11-01), Burkett et al.
patent: 3160354 (1964-12-01), Burkett
patent: 3375776 (1968-04-01), Dyson
patent: 3772188 (1973-11-01), Edwards
patent: 3987970 (1976-10-01), Burkett

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