Method for recovering bitumen from tar sand

Details Method for recovering bitumen from tar sand Method for recovering bitumen from tar sand

C - Chemistry, Metallurgy

10

G

196/17

C10G 1/04 (2006.01)

Patent

CA 1137905

ABSTRACT OF THE DISCLOSURE In recovering bitumen from tar sand by separation using an aqueous liquid, contamination of the aqueous phase with dispersed, finely divided solids is prevented by a mild heat treatment of the bituminous sand to reduce its water content before the sand is contacted with the aqueous liquid.

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