Solvent extraction of oil from tar sands utilizing a trichloroet

Details Solvent extraction of oil from tar sands utilizing a trichloroet Solvent extraction of oil from tar sands utilizing a trichloroet

1976-01-19

1977-09-06

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

C10G 104

Patent

active

040466698

ABSTRACT:
Oil is efficiently solvent extracted from tar sands utilizing a trichloroethylene solvent at mild conditions. The process preferably utilizes minor amounts of surfactant and polyelectrolytes. The process has resulted in unexpectedly high yields of oil with unexpectedly low solvent loss.

REFERENCES:
patent: 2173842 (1939-09-01), Horner
patent: 2453633 (1948-11-01), Logan
patent: 3392105 (1968-07-01), Poettmann et al.
patent: 3941679 (1976-03-01), Smith et al.
Hawley, G. G. ed. Condensed Chemical Dictionary 8th ed. Van Nostrand Reinhold Co., N.Y. pp. 886, 364, 927, 668.

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