Demulsification of bitumen emulsions using water soluble epoxy-c

Details Demulsification of bitumen emulsions using water soluble epoxy-c Demulsification of bitumen emulsions using water soluble epoxy-c

1981-12-02

1983-10-25

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Water removal

252358, 210708, 210732, 210737, C10G 3304

Patent

active

044117752

ABSTRACT:
A process for recovering bitumem from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are water soluble polyethers prepared by the reaction between certain diepoxides and poly(ethyleneoxy) glycols. 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: 2792400 (1957-05-01), De Groote et al.
patent: 2882250 (1959-04-01), Baker
patent: 2996551 (1961-08-01), De Groote et al.
patent: 3585148 (1971-06-01), Sachis
patent: 3738945 (1972-02-01), Panzer et al.
patent: 4281199 (1981-07-01), Langdon
patent: 4321148 (1982-03-01), McCoy et al.

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