Removing bitumen from tar sands with a double solvent...

Details Removing bitumen from tar sands with a double solvent... Removing bitumen from tar sands with a double solvent...

C - Chemistry, Metallurgy

10

G

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

Patent

CA 2706665

A method of removing bitumen from tar sands comprising contacting the tar sands with a first mixture comprising a petroleum distillate and an oxygenated solvent, and recovering a second mixture comprising (a) at least a portion of the petroleum distillate and oxygenated solvent from the first mixture, (b) bitumen and (c) sand having a reduced amount of bitumen.

L'invention concerne un procédé d'élimination du bitume contenu dans des sables bitumeux comprenant le fait de mettre les sables bitumeux en contact avec un premier mélange comprenant un distillat de pétrole et un solvant oxygéné, et de récupérer un second mélange comprenant (a) au moins une portion du distillat de pétrole et du solvant oxygéné du premier mélange, (b) du bitume et (c) du sable contenant une quantité réduite de bitume.

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