Use of ammonium chloride solutions to remove sulfonate surfactan

Details Use of ammonium chloride solutions to remove sulfonate surfactan Use of ammonium chloride solutions to remove sulfonate surfactan

1986-04-18

1988-08-23

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

166267, 208188, 210716, 210737, 252330, B01D 1705

Patent

active

047659106

ABSTRACT:
Sulfonate surfactants are removed from crude oil or crude oil emulsions, such as may be produced using enhanced recovery methods, by mixing with an aqueous solution of synthetic brine such as ammonium chloride, allowing the phases to separate, and removing the aqueous phase containing brine and sulfonates from the organic phase containing hydrocarbons.

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