Process for removing oil particles from waste water containing t

Details Process for removing oil particles from waste water containing t Process for removing oil particles from waste water containing t

1978-06-22

1980-05-13

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

210 43, 210 51, 210DIG26, 210DIG27, C02C 502

Patent

active

042027667

ABSTRACT:
A process for the separation of oil from waste water containing the same in the form of fine particles, comprising introducing a hydroxide or oxide of calcium or a mixture thereof into the waste water for adsorbing the oil on the hydroxide or oxide and/or coagulating the oil, adding an acid or an alkali to the waste water for dissolving the oil-adsorbing hydroxide or oxide to liberate the oil, and separating the liberated oil from the waste water.

REFERENCES:
patent: 3147216 (1964-09-01), Oemler
patent: 3347786 (1967-10-01), Baer et al.
patent: 3674683 (1972-07-01), Rainer
patent: 3703464 (1972-11-01), Ferm
patent: 3739913 (1973-06-01), Bogosian
patent: 3756948 (1973-09-01), Weinberg
patent: 3791990 (1974-02-01), Fischer
patent: 4028240 (1977-06-01), Manchak
Haseltine, T. R. "Character and Treatment of Soluble Oil Wastes", Sewage Works Journal, vol. 21, No. 5, pp. 859-876, Sep. 1949.

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