Demulsification of bitumen emulsions using water soluble salts o

Details Demulsification of bitumen emulsions using water soluble salts o Demulsification of bitumen emulsions using water soluble salts o

1981-12-02

1983-08-02

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Water removal

210108, 210732, 210737, 252358, C10G 3304, B01D 1700, B01D 1904

Patent

active

043964990

ABSTRACT:
A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are water soluble salts of polymers prepared by the reaction between certain polyoxyalkylene diamines with diepoxides. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.

REFERENCES:
patent: 3251852 (1966-05-01), DeGroote et al.
patent: 3738945 (1972-02-01), Panzer et al.

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