Split feed for the anaerobic biological purification of wastewat

Details Split feed for the anaerobic biological purification of wastewat Split feed for the anaerobic biological purification of wastewat

1984-02-10

1985-12-17

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210603, 210605, 210631, 48197A, 435167, 435801, C02F 328

Patent

active

045591423

ABSTRACT:
In the anaerobic biological purification of wastewater containing organic substances, some of which have a low rate of metabolism in anaerobic microorganisms, e.g., undissolved and/or partly macromolecular substances, the low-rate substances are separated from the wastewater into a secondary stream, e.g., by mechanical, adsorptive or precipitating means, before introducing the mainstream of the wastewater to be purified into the reactor operated under anaerobic conditions. The low-rate substances separated in concentrated form are treated, e.g., in a separate anaerobic reactor, or in an aerobic reactor situated downstream of the anaerobic reactor.

REFERENCES:
patent: 2123387 (1938-07-01), Tark
patent: 3676334 (1972-07-01), Zuckerman et al.
patent: 4346000 (1982-08-01), van Drooge
patent: 4400195 (1983-08-01), Rijkens
Lettinga Gatze et al., "Anaerobic Treatment of Sewage and Low Strength Waste Waters" found in Anaerobic Digestion 1981; Elsevier Biomedical Press, (pp. 277-291).

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