Method for operating a biological sewage purification plant

Details Method for operating a biological sewage purification plant Method for operating a biological sewage purification plant

1982-07-09

1983-09-27

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210614, 210177, 261130, C02F 316

Patent

active

044067909

ABSTRACT:
A method and apparatus for operating a biological sewage purification plant wherein the water to be treated is aerated in a tank containing bacteria by means of a rotating impeller or the like, characterized in that a heating medium, preferably steam, is fed onto the surface of the water to maintain it at the optimum temperature for facilitating decomposition by bacteria without excessive heating and resultant destruction of the bacteria.

REFERENCES:
patent: 3715304 (1973-02-01), Hefermehl
patent: 3824186 (1974-07-01), Erickson et al.
patent: 4000064 (1976-12-01), Romell et al.

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