Separating oil and water from emulsions containing toxic light e

Details Separating oil and water from emulsions containing toxic light e Separating oil and water from emulsions containing toxic light e

1995-03-08

1998-04-14

Manoharan, Virginia

Distillation: processes, separatory

Water purification only

Under pressure or vacuum

159 21, 159 404, 159 163, 159 481, 203 88, 203 90, 203 92, 203 93, 203 94, 203 95, 203 96, 203 97, 203 98, B01D 306

Patent

active

057387621

ABSTRACT:
An improved process for separating oil and water from an emulsion containing toxic light ends by flashing the heated and pressurized emulsion, condensing and separating the vaporized water and light ends, recovering the light ends, and recycling the condensed water. The resulting liquid water product has a reduced content of toxic light ends, such as benzene.

REFERENCES:
patent: 4205962 (1980-06-01), Marion et al.
patent: 4270974 (1981-06-01), Greenfield et al.
patent: 4686049 (1987-08-01), Koblenzer et al.
patent: 4938876 (1990-07-01), Ohsol
patent: 5361514 (1994-11-01), Lahoda et al.
A. Rhoades, "New Process Effectively Recovers Oil from Refinery Waste Streams," Oil & Gas Journal, Aug. 15, 1994, pp. 92 to 94.

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