Process and apparatus for the anaerobic treatment of waste water

Details Process and apparatus for the anaerobic treatment of waste water Process and apparatus for the anaerobic treatment of waste water

1983-09-22

1984-11-13

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210617, 210150, 48111, 48197A, 435167, 435314, C02F 328, C12M 108

Patent

active

044824580

ABSTRACT:
Waste water to be treated is introduced into a filter including granular material for supporting the biomass resulting from an anaerobic treatment operation. During such treatment operation biogas is formed, and the waste water being treated and the granular material supporting the biomass are continuously circulated by injecting a portion of the biogas into a tube extending vertically upwardly through the filter.

REFERENCES:
patent: 2889929 (1959-06-01), Kivell
patent: 3788476 (1974-01-01), Othmer
patent: 3853752 (1974-12-01), Tymoszczuk
patent: 3968034 (1976-07-01), Tymoszczuk
patent: 4009099 (1977-02-01), Jeris
patent: 4111808 (1978-09-01), Fair
patent: 4198211 (1980-04-01), Shattock
patent: 4256573 (1981-03-01), Shimodaira et al.
patent: 4322296 (1982-03-01), Fan et al.

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