Biological sewage treatment apparatus of the rotary disc type

Details Biological sewage treatment apparatus of the rotary disc type Biological sewage treatment apparatus of the rotary disc type

1981-07-02

1983-08-16

Castel, Benoit

Liquid purification or separation

With gas-liquid surface contact means

261 92, C02F 308

Patent

active

043990312

ABSTRACT:
A sewage treatment apparatus having a rotary shaft and a plurality of rotary plates secured to the rotary shaft in an axially spaced-apart relationship, each of the rotary plates being adapted to be rotated while it is partly dipped in sewage within a treating tank,

REFERENCES:
patent: 3827559 (1974-08-01), Cass et al.
patent: 3886074 (1975-05-01), Prosser
patent: 3904525 (1975-09-01), Rosenberg
patent: 4149972 (1979-04-01), Iwai et al.
patent: 4268385 (1981-05-01), Yoshikawa

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