METHOD OF PURIFICATION OF FAT-CONTAINING DRAINAGE WATER Russian patent published in 1995 - IPC

Abstract RU 2034790 C1

FIELD: water treatment. SUBSTANCE: method includes two settling stages, flotation of fat fraction, decantation of fat and flotation sludge, return of decantate to the 1st settling stage. Second settling stage is conducted on intermediate product of first stage during period of time exceeding the time of first-stage settling by three times. Flows of clarified liquid of both stages are combined. Flows of fat fractions of both settling stage are combined as well. EFFECT: enhanced efficiency. 1 tbl

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RU 2 034 790 C1

Authors

Ehpel'Man M.L.

Brjukhov V.V.

Dates

1995-05-10—Published

1992-05-25—Filed