Inventors:
Olina G. Raney - Houston TX, US
John Hera, JR. - Sugar Land TX, US
Duy T. Nguyen - Houston TX, US
Michael K. Poindexter - Sugar Land TX, US
George J. Hirasaki - Bellaire TX, US
Clarence A. Miller - Houston TX, US
Assignee:
NALCO COMPANY - Naperville IL
WILLIAM MARSH RICE UNIVERSITY - Houston TX
International Classification:
C10G 33/04, C07C 229/06, C07C 211/03, C07C 239/00, B01D 17/05, C07C 211/04
US Classification:
208188, 516143, 564291, 564289, 564301, 562575
Abstract:
A composition and method demulsify a produced emulsion from anionic surfactants and polymer (SP) and alkali, surfactants, and polymer (ASP). The produced emulsion is demulsified into oil and water. In one embodiment, the composition includes a surfactant. The surfactant comprises a cationic surfactant, an amphoteric surfactant, or any combinations thereof.