Demulsification of petroleum emulsions

Details Demulsification of petroleum emulsions Demulsification of petroleum emulsions

H - Electricity

01

J

134/54

H01J 29/70 (2006.01) C10G 33/04 (2006.01) H01J 29/76 (2006.01)

Patent

CA 1094911

DEMULSIFICATION OF PETROLEUM EMULSIONS (D#73,500-RCA-31-F) ABSTRACT OF THE DISCLOSURE A process for recovering oil from either water- bituminous petroleum emulsions or from crude petroleum emulsions having a pH of 10 or less by adding thereto an optimum amount of non-ionic, water soluble polyethylene oxide resins at a pH of 10 or less, and separating the oil from water. To resolve bituminous petroleum emulsions, the process is carried out at between 150°F and 210°F and a diluent is added to reduce the petroleum viscosity. The minimum effective concentration of the resins used decreases as their molecular weight increases. In a modification of the process, an effective amount of an alkaline earth metal halide such as calcium chloride is added to improve coagulation and separation of any clay present. I

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