Aeration system for solid biological waste

Details Aeration system for solid biological waste Aeration system for solid biological waste

1980-01-21

1981-09-01

Spitzer, Robert H.

Liquid purification or separation

Recirculation

210219, 2102422, 261120, C02F 302, B01F 304

Patent

active

042870607

ABSTRACT:
An aeration system for treating solid biological waste, and the like, has a fluid circulating device disposable in a tank holding a slurry of solid and liquid to be treated for drawing air and slurry from a surface portion of the slurry in the tank and discharging the air and slurry adjacent the bottom of the tank. The circulation device has a propeller pump disposed in a duct having an inlet and an outlet forming the fluid path through the slurry, with a float assembly being connected to the duct adjacent the inlet thereof for positioning the inlet adjacent the surface of the slurry in which the duct is immersed.

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patent: 3595538 (1971-07-01), Baumann
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patent: 3837627 (1974-09-01), Sence et al.
patent: 3840457 (1974-10-01), Wilson
patent: 3846516 (1974-11-01), Carlson

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