Aeration apparatus

Details Aeration apparatus Aeration apparatus

1980-02-22

1981-09-22

Chiesa, Richard L.

Gas and liquid contact apparatus

With liquid separations

On inlet

209170, 2102212, 261 36R, 261 64B, 261123, 261DIG75, B01F 304

Patent

active

042909791

ABSTRACT:
Apparatus for supplying air into a liquid can be used as an aeration apparatus for a biochemical waste water treatment system operating according to an activated sludge process, for example, or as an air bubble generator to be used in a solid particle flotation system. A liquid in a tank is circulated by a pump. An air intake device is disposed in a suction pipe connected to the pump. The air withdrawn by the air intake device is mixed and agitated with the liquid in the pump, whereby minute air bubbles are distributed throughout the liquid. The liquid containing air bubbles is fed from the pump to an injector disposed within the tank, and ejected thereby into the tank in the form of jet water streams.

REFERENCES:
patent: 2483426 (1949-10-01), Moore
patent: 3662890 (1972-05-01), Grimshaw
patent: 3722679 (1973-03-01), Logue
patent: 3826742 (1974-07-01), Kirk et al.
patent: 3984323 (1976-10-01), Evens
patent: 4072612 (1978-02-01), Daniel
patent: 4139579 (1979-02-01), Blum
patent: 4179375 (1979-12-01), Smith

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