Separation of bituminous material from oil sands and heavy...

Details Separation of bituminous material from oil sands and heavy... Separation of bituminous material from oil sands and heavy...

C - Chemistry, Metallurgy

10

G

196/13

C10G 1/00 (2006.01) C10G 1/04 (2006.01)

Patent

CA 1197204

ABSTRACT OF THE DISCLOSURE A process for the separate recovery of oil and asphaltene/polar components from oil and asphalt- ene/polar bearing sand-containing material includes cooling the material to a temperature at which the material behaves as a solid, crushing the material at such a temperature to produce relatively coarse particles containing a major proportion of the sand and oil and relatively fine particles containing a major proportion of the asphaltenes and polars, and mechanically separating the relatively coarse par- ticles from the relatively fine particles at such a temperature. The relatively coarse particles are treated to recover oil, and the relatively fine par- ticles are treated to recover asphaltenes and polars. Similar processes are desirable for the treatment of heavy crude oil which may or may not contain sand.

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