Anaerobic treatment of wastewater

Details Anaerobic treatment of wastewater Anaerobic treatment of wastewater

1985-10-21

1987-05-12

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210616, 210617, 210150, 210903, 435167, 48197A, C02F 328, C12P 502

Patent

active

046648038

ABSTRACT:
In the anaerobic biological treatment of wastewater, the anaerobic microorganisms are incorporated on carrier material having a density of 10-200 kg/m.sup.3 and open macropores of a diameter of 0.1 mm to 5 mm, e.g., polyurethane foam or foam rubber. The treatment can be conducted as a pretreatment or a final stage in either a stationary bed or when the carrier is in particulate form, in an agitated tank or fluidized bed.

REFERENCES:
patent: 3171820 (1965-03-01), Volz
patent: 3293174 (1966-12-01), Robjohns
patent: 3846289 (1974-11-01), Jeris et al.
patent: 4043936 (1977-08-01), Francis et al.
patent: 4182675 (1980-01-01), Jeris
patent: 4256573 (1981-03-01), Shimodaira et al.
patent: 4419243 (1983-12-01), Atkinson et al.

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