Demulsification of bitumen emulsions using water soluable...

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

B - Operations, Transporting

01

D

134/54

B01D 19/04 (2006.01)

Patent

CA 1205719

DEMULSIFICATION OF BITUMEN EMULSIONS USING WATER SOLUBLE SALTS OF POLYMERS 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 salts of polymers prepared by the reaction between certain polyoxy- alkylene diamines with diepoxides. To resolve the bitumi- nous petroleum emulsions, the process is carried out between 25 and 160°C wherein the demulsifier of the invention is contacted with the bituminous emulsion.

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