Process for recovering hydrocarbons and other values from tar sa

Details Process for recovering hydrocarbons and other values from tar sa Process for recovering hydrocarbons and other values from tar sa

1979-11-15

1981-02-03

Levine, Herbert

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 11LE, C10G 100, C10G 104

Patent

active

042486939

ABSTRACT:
Disclosed is a process for recovering hydrocarbons from tar sands by contacting the tar sands with alkali metal sulfides or alkanol solutions of alkali metal hydrosulfides, at temperatures between 40.degree. C. and 450.degree. C., in the presence of steam or hydrogen or mixtures thereof, thereby producing at least partially, hydrogenated hydrocarbons lower in sulfur and nitrogen content than the initial untreated hydrocarbons of the tar sands and which readily distill from the sands.

REFERENCES:
patent: 4003823 (1977-01-01), Baird et al.

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