Aeration apparatus

Details Aeration apparatus Aeration apparatus

1982-06-30

1985-04-23

Chiesa, Richard L.

Gas and liquid contact apparatus

Contact devices

Rotating

210219, 2102212, 261 36R, 366102, B01F 304

Patent

active

045129363

ABSTRACT:
Aeration apparatus for aerating a liquid to be treated in an aeration tank. The aeration apparatus has an impeller by means of which the liquid is displaced through an annular discharge passage defined between an outer casing and an inner casing disposed coaxially in the outer casing at a predetermined distance from the latter. The outlet end of the annular discharge passage opens in a substantially horizontal direction and radially outwardly. A gas supplying device provided in the annular discharge passage is adapted to supply an oxygen-containing gas to the liquid flowing in the annular passage.

REFERENCES:
patent: 366991 (1887-07-01), Andrews
patent: 1242445 (1917-10-01), Ittner
patent: 2293183 (1942-08-01), Walker
patent: 2463975 (1949-03-01), Johnson
patent: 2772863 (1956-12-01), Harney et al.
patent: 3521864 (1970-07-01), Welles, Jr.
patent: 3815879 (1974-06-01), Mikhailov et al.
patent: 4242289 (1980-12-01), Blum
patent: 4265739 (1981-05-01), Dalton
patent: 4305894 (1981-12-01), Lindblom

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