Process for activated-sludge treatment of sewage or industrial w

Details Process for activated-sludge treatment of sewage or industrial w Process for activated-sludge treatment of sewage or industrial w

1987-08-06

1989-05-23

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210617, 210150, C02F 308, C02F 310

Patent

active

048328472

ABSTRACT:
A fluidized-bed type activated-sludge treatment of sewage or industrial waste water characterized in that a fine powder of a granulated blast furnace slag is added to an aeration tank of the activated-sludge treatment installation to facilitate the treatment. In a fixed-bed type activated-sludge treatment of the sewage or industrial waste water, the granulated blast furnace constitutes the main constituent element of a ceramic material to be mounted in the aeration tank so as to serve as a fixing carrier for the activated sludge.

REFERENCES:
patent: 4333893 (1982-06-01), Clyde
Arthur, Robert M.; "New Concepts and Practices in Activated Sludge Process Control"; Arthur Technology Inc. (1982) pp. 64-66.

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