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U.S. Department of Energy
Office of Scientific and Technical Information

Removal of surfactants from hydrocarbons with alcohol

Patent ·
OSTI ID:6863411
A method is disclosed for removing hydrocarbon-soluble anionic surfactants from gasoline or kerosene boiling range hydrocarbons. The method comprises (a) contacting a hydrocarbon mixture containing surfactants with a lower alcohol which is miscible with the hydrocarbon mixture to extract the surfactants; (b) contacting the mixture with water or caustic solution to extract the lower alcohol and surfactants from the hydrocarbon mixture; (c) separating the water or caustic solution from the hydrocarbons; and (d) removing the hydrocarbons.
Assignee:
Shell Oil Company
Patent Number(s):
US 4430204
OSTI ID:
6863411
Country of Publication:
United States
Language:
English