Counterflow microbiological processes

Details Counterflow microbiological processes Counterflow microbiological processes

1994-01-13

1996-05-07

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210625, 210631, C02F 330

Patent

active

055142788

ABSTRACT:
A multistage biological treatment method receives material to be treated, and passes the material through multiple reactors. From each reactor some of the contents are removed and separated, and the biomass is moved into the previous stage while the material to be treated and metabolic products are moved into the succeeding stage. Thus, the predominant flow of the biomass is upstream and the predominant flow of the material to be treated in downstream. Preferably, alternate reactors are anaerobic, and alternate reactors are aerobic, so the material is alternately subjected to anaerobic, then aerobic, environments. The process can be improved by applying physical, physical-chemical, chemical, and biochemical actions to the treatment system.

REFERENCES:
patent: 4193866 (1980-03-01), Slusarczuk et al.
patent: 4200524 (1980-04-01), Levin
patent: 4919815 (1990-04-01), Copa et al.
patent: 5057220 (1991-10-01), Harada et al.
patent: 5192442 (1993-03-01), Piccirillo

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