Process for extracting bitumen from tar sands

Details Process for extracting bitumen from tar sands Process for extracting bitumen from tar sands

1978-08-14

1980-10-21

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 100

Patent

active

042292816

ABSTRACT:
Bitumen is recovered from tar sand by extraction with a solvent. The bitumen solution is washed with water containing a cationic surfactant in order to remove sand fines therefrom.

REFERENCES:
patent: 2825677 (1958-03-01), Coulson
patent: 3117922 (1964-01-01), Leary et al.
patent: 3330757 (1967-07-01), Bichard
patent: 3422000 (1969-01-01), Bichard
patent: 3459653 (1969-08-01), Benson
patent: 3547803 (1970-12-01), Barkman et al.
patent: 4017377 (1977-04-01), Fairbanks et al.
"Encyclopedia of Chem. Tech.", vol. 19, Kirk-Othmer, pp. 544-566, (1969).
Surface-Active Agents, Rohm & Haas, pp. 1-7, (1968).

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