Waste treatment process

Details Waste treatment process Waste treatment process

1978-06-20

1980-01-08

Castel, Benoit

Liquid purification or separation

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

Responsive to fluid flow

210 20, C02C 104

Patent

active

041826752

ABSTRACT:
A biological process for removing biochemical oxygen demand from waste water by forming a fluidized bed of microorganisms attached to a solid particulate carrier, continuously passing waste water to be treated through said fluidized bed, retaining the waste water in the fluidized bed for a sufficient period of time while controlling other necessary parameters to biologically convert substantially all of the biochemical oxygen demand to be removed from the waste water to methane gas, carbon dioxide and cellular material, and thence withdrawing the biologically converted products. In one form of the invention nitrified effluent is added to the waste water and the mixture is biologically converted to methane gas, carbon dioxide, nitrogen gas and cellular material.

REFERENCES:
patent: 3640846 (1972-02-01), Johnson
patent: 3846289 (1974-11-01), Jeris
Lawrence, A. W., "Application of Process Kinetics to Design Anaerobic Processes" Found in Anaerobic Biological Treatment Processes; A.C.S. (1971).
Jennet, J. C. et al.; "Anaerobic Filter Treatment of Pharmaceutical Waste"; Jour. W.P.C.F., vol. 47, No. 1 (Jan. 1975).

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