Demulsification of bitumen emulsions using polyalkylene...

Details Demulsification of bitumen emulsions using polyalkylene... Demulsification of bitumen emulsions using polyalkylene...

C - Chemistry, Metallurgy

10

G

196/13, 196/40,

C10G 33/04 (2006.01)

Patent

CA 1220151

DEMULSIFICATION OF BITUMEN EMULSIONS USING POLYALKYLENE POLYAMINE SALTS (D#75,898-F) 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 polyamine salts pre- pared by contacting poly(ethyleneimines) with organic or in- organic acids. The polyamines have a molecular weight of at least 1,000. To resolve the bituminous petroleum emulsions, the process is carried out between 25 and 160°C wherein the demulsifier of the invention is contacted with the bituminous emulsion. -I-

440733

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