Liquid-to-liquid oil absorption method

Details Liquid-to-liquid oil absorption method Liquid-to-liquid oil absorption method

1988-12-19

1991-04-23

Cintins, Ivars

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210804, 210805, B01D 1200

Patent

active

050097873

ABSTRACT:
A system for removing dissolved and undissolved oil from contaminated water which recycles and reclaims absorbing fluid. An absorbing fluid (CCl.sub.2 FCClF.sub.2) is used in a wet-spiral mixer-absorber-contactor to absorb oil contaminants in produced-water. A downflow spreader system in a processing separator separates the heavier oil absorbing fluid from the oil-decontaminated water. Unspent absorbing fluid is recycled to the absorber-contactor and the decontaminated water is released into the surrounding environment. Spent absorbing fluid is reclaimed in a distillation treatment unit where the oil is used as fuel oil or stored. The absorbing fluid's vapors are drawn off under vacuum from the distillation unit by a jet eductor pump, mixed and condensed with the decontaminated water which drives the jet pump, and then redirected into the system for reuse.

REFERENCES:
patent: 3810346 (1974-05-01), Uratani
patent: 4060912 (1977-12-01), Black
patent: 4124502 (1978-11-01), Leman
patent: 4515695 (1985-05-01), Knupp
patent: 4728428 (1988-03-01), Broussard

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