Demulsification of bitumen emulsions using water soluble...

Details Demulsification of bitumen emulsions using water soluble... Demulsification of bitumen emulsions using water soluble...

C - Chemistry, Metallurgy

10

G

196/22, 134/54

C10G 33/04 (2006.01)

Patent

CA 1225004

DEMULSIFICATION OF BITUMEN EMULSIONS USING WATER SOLUBLE EPOXY-CONTAINING POLYETHERS ABSTRACT OF THE DISCLOSURE A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsi- fiers are used. These demulsifiers are water soluble poly- ethers prepared by the reaction between certain diepoxides and poly(ethyleneoxy) glycols. To resolve the bituminous petroleum emulsions, the process is carried out between 25 and 160°C wherein the demulsifier of the invention is con- tacted with the bituminous emulsion. -I-

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