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

Demulsification of oil-in-water emulsions

Patent ·
OSTI ID:5163972

This patent describes a process of demulsifying an oil-in-water emulsion which comprises admixing with the emulsion a water-soluble polymer of monoallylamine that causes formation of and separation between an oil phase and an aqueous phase to occur. The emulsion has a pH in the range of about 5 to about 10 and the polymer has a weight average molecular weight of at least 1000 and contains at least 95% by weight of monoallylamine.

Assignee:
Ethyl Corp., Richmond, VA
Patent Number(s):
US 4614593
OSTI ID:
5163972
Country of Publication:
United States
Language:
English