Biological treatment of sewage

Details Biological treatment of sewage Biological treatment of sewage

1982-11-04

1984-06-05

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210197, 210220, C02F 320

Patent

active

044527012

ABSTRACT:
Sewage is oxygenated and clarified in a tank having an open-bottomed stilling chamber located above an open-topped chamber. Oxygenated sewage is discharged into the stilling chamber where its velocity is reduced, with sewage passing from the stilling chamber into the open-topped chamber being precluded from flowing horizontally along the tank bottom, and upwardly into the clarified sewage.

REFERENCES:
patent: 3606985 (1971-09-01), Reed
patent: 4045336 (1977-08-01), Isteri
patent: 4071443 (1978-01-01), Gorski et al.
patent: 4192740 (1980-03-01), Savard et al.
patent: 4324657 (1982-04-01), Garrett
patent: 4347143 (1982-08-01), Righetti

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