Treatment of sewage

Details Treatment of sewage Treatment of sewage

1975-05-08

1977-08-02

Wyse, Thomas G.

Liquid purification or separation

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

Responsive to fluid flow

210 17, 210150, 210170, C02C 104

Patent

active

040394379

ABSTRACT:
The invention provides a method of, and apparatus for, treating sewage flowing through a sewer, wherein an oxygenating gas is introduced under pressure into the sewage and is dissolved therein and the thus oxygenated sewage is contact with a matrix of solid material carrying micro-organisms effective to reduce the Biochemical Oxygen Demand of the sewage, the matrix extending across a region inside the sewer. The treatment may be performed in a gravity sewer or in a rising or pumping sewer.

REFERENCES:
patent: 3335082 (1967-08-01), Ullrich
patent: 3484836 (1969-12-01), Welch
patent: 3525685 (1970-08-01), Edwards

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