Water treatment apparatus

Details Water treatment apparatus Water treatment apparatus

1983-11-16

1985-06-11

Castel, Benoit

Liquid purification or separation

With gas-liquid surface contact means

261 92, 261120, C02F 306

Patent

active

045227144

ABSTRACT:
A waste water treatment apparatus with a tank through which waste water flows, a rotary biological contactor in the tank with an annular plastic media fixed on a buoyant drum or tubular shaft providing buoyancy to which maintains immersion to the topmost peripheral portion of the drum, mechanical bearings to stabilize the contactor in the water and a drive connected to rotate the contactor.

REFERENCES:
patent: 1971796 (1934-08-01), Scott
patent: 2657027 (1953-10-01), Marion
patent: 3315948 (1967-04-01), Martin
patent: 3658305 (1972-04-01), Newtson
patent: 3759495 (1973-09-01), Boler et al.
patent: 3799515 (1974-03-01), Geerlings
patent: 4115268 (1978-09-01), Thissen
patent: 4287063 (1981-09-01), Stenzel

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