Immiscible coolant in propylene-acetone dewaxing

Details Immiscible coolant in propylene-acetone dewaxing Immiscible coolant in propylene-acetone dewaxing

C - Chemistry, Metallurgy

10

G

196/257

C10G 73/00 (2006.01) C10G 73/32 (2006.01)

Patent

CA 1072036

ABSTRACT OF THE DISCLOSURE A dewaxing process is provided in which a mixture of a solvent comprising propylene-acetone and a waxy petroleum oil is contacted with a cold aqueous solution of acetone and methanol. The aqueous acetone-methanol solution, which is immiscible in the waxy oil-solvent mixture, cools the mixture thereby crystallizing a substantial portion of the wax in the mixture.

253298

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