Hybrid gas flotation separator

Details Hybrid gas flotation separator Hybrid gas flotation separator

1979-11-13

1981-02-17

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210170, 210708, 2102212, 166357, C02F 124

Patent

active

042513618

ABSTRACT:
Oil and water mixtures are separated in a gas flotation separator by passing the mixture downward in a vertically elongated portion, and then upward in a vertically elongated portion. A gas such as air is injected near the lower end of the upward flow leg of the separator. The gas is injected at a sufficient hydrostatic pressure to effect dissolving of a substantial portion of the gas in the liquid. The upflow leg has a chamber for oil flotation. Oil removal as well as water removal from respective layers is provided. The separation of oil and water is enhanced by both upwardly bubbling gas and exsolving gas.

REFERENCES:
patent: 3301779 (1967-01-01), Kovacs
patent: 3448044 (1969-06-01), Garrett
patent: 3725264 (1973-04-01), Wheeler
patent: 3945918 (1976-03-01), Kirk
patent: 3977970 (1976-08-01), Willis et al.
patent: 4031006 (1977-06-01), Ramirez
patent: 4066540 (1978-01-01), Wada
patent: 4069149 (1978-01-01), Jackson
patent: 4086160 (1978-04-01), Roesler
patent: 4108768 (1978-08-01), Sebelik
patent: 4186087 (1980-01-01), Kato
patent: 4198300 (1980-04-01), Williams
The ICI Deep Shaft Aeration Process for Effluent Treatment, Reprint from the 29th Annual Atlantic Canada Section, AWWA, Meeting, hosting the 6th Annual FACE Meeting, Sep. 12-15, 1976, Halifax, Nova Scotia, Canada.

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