Process for recovering bitumen from tar sand

Details Process for recovering bitumen from tar sand Process for recovering bitumen from tar sand

C - Chemistry, Metallurgy

10

G

196/17

C10G 1/04 (2006.01) C10C 3/00 (2006.01)

Patent

CA 1085760

ABSTRACT Tar sand is mixed with steam and water in a conventional manner to produce a slurry. The slurry is then transferred into a perforated drum rotating in a water bath. The sand particles drop through the perforations and are col- lected from the base of the bath and discarded. The bitumen moves to the oleophilic inside surface of the submerged portion of the drum wall and adheres thereto. When the coated surface rotates out of the slurry, the adhering bitumen is collected. The process gives a good recovery of a bitumen product which has acceptable quantities of solid and water contamination. The temperature of separation and water requirements are reduced in comparison to the prior art.

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