Emulsion breaking with surfactant recovery

Details Emulsion breaking with surfactant recovery Emulsion breaking with surfactant recovery

1979-07-09

1980-08-05

Crasanakis, George

Mineral oils: processes and products

Refining

Water removal

C10G 3304

Patent

active

042160790

ABSTRACT:
A process useful for recovering surfactant and oil of low water content in surfactant flood oil recovery projects is disclosed. A produced oil in water emulsion is treated with brine and partitioning agent, preferably isopropyl alcohol, by mixing and settling to form three phases, an oil phase containing a minor amount of surfactant, a partitioning agent phase containing most of the surfactant originally present in the produced emulsion, and a brine phase containing a minor amount of alcohol.

REFERENCES:
patent: 1990293 (1935-02-01), Lerch
patent: 4029570 (1977-06-01), Coffman et al.
Bluestein and Bluestein, "Petroleum Sulfonates," Anionic Surfactants, Part II, Surfactant Science Series, Marcel Dekker, Inc., (1976), pp. 318, 319, 335-337.
"Analysis of Petroleum Sulfonates" ASTM Designation D855-46T Issued 1945; Revised 1946, pp. 310-317.

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