Solvent extraction method

Details Solvent extraction method Solvent extraction method

1979-09-14

1983-08-30

Warren, Charles F.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 104

Patent

active

044015518

ABSTRACT:
A method for extracting bitumen from bituminous sand is disclosed, in which the bituminous sand is contacted with previously recovered bitumen at a temperature sufficient to maintain the previously recovered bitumen as a liquid, and the resulting liquids are separated from the resulting solids.

REFERENCES:
patent: 1514113 (1924-11-01), Trumble
patent: 2965557 (1960-12-01), Price
patent: 3070541 (1962-12-01), Price
patent: 3553099 (1971-01-01), Savage et al.
patent: 3875046 (1975-04-01), Rosenbloom
patent: 4036732 (1977-07-01), Irani
patent: 4189376 (1980-02-01), Mitchell

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