Support aerated biofilm reactor

Details Support aerated biofilm reactor Support aerated biofilm reactor

1991-02-11

1992-05-26

Wyse, Thomas

Liquid purification or separation

Processes

Treatment by living organism

210615, 210630, 210150, 210909, C02F 330

Patent

active

051165066

ABSTRACT:
A gas permeable membrane divides a reactor vessel into a liquid compartment and a gas compartment. A biofilm is grown on the gas permeable membrane on the liquid side of the membrane. Teh gas permeable membrane is supported by the structure of the membrane itself. The biofilm is chosen from bacteria to degrade cetain pollutants by means of anaerobic fermentation, aerobic heterotrophic oxidation, dehalogenation, and hydrocarbon oxidation. This is accomplished by means of oxygen and alternate gases (i.e., methane) through the gas permeable membrane to certain bacteria growing on the liquid side of the gas permeable membrane.

REFERENCES:
patent: 4181604 (1980-01-01), Onishi et al.
patent: 4416993 (1983-11-01), McKeown
patent: 4746435 (1988-05-01), Onishi et al.
patent: 5057221 (1991-10-01), Bryant et al.

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