Anaerobic method of treating high-strength waste-water

Details Anaerobic method of treating high-strength waste-water Anaerobic method of treating high-strength waste-water

1979-02-12

1980-07-08

Castel, Benoit

Liquid purification or separation

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

Responsive to fluid flow

210150, C02C 104, C02C 510

Patent

active

042116473

ABSTRACT:
Method for treating a fluid containing anaerobically digestible nutrients and organic substrates wherein a plurality of individual anaerobic microorganisms are established upon rotatable discs mounted within an enclosed housing and a stream of treatable fluid is passed through the housing to wet more than fifty percent of the disc surfaces. The discs are rotated through the fluid whereby the microorganisms are able to feed upon the nutrients and substrates in the fluid and expel a process gas into the atmosphere maintained over the fluid. To further enhance both the feeding of the microorganisms and the expulsion of gas, the housing is divided into a number of individual compartments or stages and the pressure is reduced below atmospheric pressure in each compartment.

REFERENCES:
patent: 3640846 (1972-02-01), Johnson
patent: 3817857 (1974-06-01), Torpey
patent: 4067801 (1978-01-01), Ishida et al.
patent: 4100023 (1978-07-01), McDonald
patent: 4134830 (1979-01-01), Skogman et al.

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