Method of removing and recovering hydrocarbons from hydrocarbon/

Details Method of removing and recovering hydrocarbons from hydrocarbon/ Method of removing and recovering hydrocarbons from hydrocarbon/

1991-04-22

1993-04-13

Dawson, Robert A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210702, 210767, 261 76, B01D 17035

Patent

active

052020320

ABSTRACT:
A method for removing and recovering hydrocarbons contained in hydrocarbon/water mixtures. Hydrocarbons are stripped from nonflowing hydrocarbon/water mixtures in a tank by bubbles of inert gas or air introduced under pressure. The inert gas or air and hydrocarbons are vented from the tank and the water is removed from the tank when satisfactorily purified. The material in the tank preferably is heated. A two-tank process may be used wherein the second tank is filled while the stripping process in the first tank is taking place. The rate of flow of the inert gas or air is maintained at a low enough rate to allow recovery of product.

REFERENCES:
patent: 3841997 (1974-10-01), McGee
patent: 4564447 (1986-01-01), Tiedemann
patent: 4781811 (1988-11-01), Mankut et al.
patent: 4892664 (1990-01-01), Miller
patent: 4960443 (1990-10-01), Lansford
patent: 5004484 (1991-04-01), Stirling et al.
patent: 5030362 (1991-07-01), Da Silva et al.

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