Demulsification of bitumen emulsions using ionenes

Details Demulsification of bitumen emulsions using ionenes Demulsification of bitumen emulsions using ionenes

1981-12-02

1983-09-13

Gantz, Delbert E.

Mineral oils: processes and products

Refining

Water removal

210708, 210728, 210735, 252358, C10G 3304

Patent

active

044040962

ABSTRACT:
A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are ionenes prepared generally by reaction of ditertiary amines and dihalides. 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: 3928448 (1975-12-01), Ballweber et al.
patent: 3956117 (1976-05-01), Bradley et al.
patent: 4038318 (1977-07-01), Tai

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