Recovery of bituminous oil from tar sands

Details Recovery of bituminous oil from tar sands Recovery of bituminous oil from tar sands

C - Chemistry, Metallurgy

10

G

196/13

C10G 1/00 (2006.01)

Patent

CA 1197203

RECOVERY OF BITUMINOUS OIL FROM TAR SANDS ABSTRACT This invention is related to a method of separating the bituminous oil from the solid matters in the oil-bearing sand such as the Athabasca tar sands by subjecting the tar sands in a sub-ultracentrifugal field of sufficient strength and for a sufficient period of time to effect the separation. The re- covery of oil is promoted by centrifugal sedimentation em- ploying an aqueous alkaline displacement medium having a specific gravity substantially higher than the oil but lower than the sands thereof.

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