Effluent treatment process

Details Effluent treatment process Effluent treatment process

1976-03-18

1977-06-28

Wyse, Thomas G.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 80, C02C 510

Patent

active

040324397

ABSTRACT:
A method for treating effluent water containing suspended oil from a gravity separator, which method comprises passing the effluent through a sand filter so as to remove suspended oil and produce water suitable for effective passage through a biological percolating filter; periodically stopping the flow of effluent water through the sand filter before suspended oil can pass; and backwashing the sand filter with water to remove suspended oil therefrom.

REFERENCES:
patent: 2360812 (1944-10-01), Kelly et al.
patent: 3152983 (1964-10-01), Davis et al.
patent: 3574329 (1971-04-01), Beavon
patent: 3617539 (1971-11-01), Grutsch et al.

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