Biogas reactor for the anaerobic treatment of waste water

Details Biogas reactor for the anaerobic treatment of waste water Biogas reactor for the anaerobic treatment of waste water

1994-06-15

1996-03-19

Upton, Christopher

Liquid purification or separation

Processes

Treatment by living organism

210188, 210218, C02F 328

Patent

active

055001181

ABSTRACT:
In UASB-type biogas reactors, the biogas is separated from the rising waste water stream by collection hoods arranged in staggered fashion, in which a zero pressure level is maintained, at which the gas transition takes place. In cross-section shapes of existing collection hoods, the zero pressure surface is sharply reduced when the water level is high, and the conversion to gas is correspondingly sharply reduced. Therefore, in accordance with the invention, a rectangular section shape is employed in which the zero pressure surface remains unchanged. The topside of the collection hoods can be formed as a smooth sliding surface in the shape of a roof for the anaerobic sludge sediment.

REFERENCES:
patent: 4166791 (1979-09-01), Marvin
patent: 4391704 (1983-07-01), Anderson
patent: 4622147 (1986-11-01), Vellinga
patent: 4940546 (1990-07-01), Vogelpohl

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