Immiscible coolant in propylene-acetone dewaxing

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

1975-06-05

1976-08-03

Levine, Herbert

Mineral oils: processes and products

Paraffin wax; treatment or recovery

Separation of paraffin from oil

208 37, C10G 4308

Patent

active

039728021

ABSTRACT:
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.

REFERENCES:
patent: 3681230 (1972-08-01), Eagen et al.

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