Removal of sulfur from shale oil

Details Removal of sulfur from shale oil Removal of sulfur from shale oil

1978-09-08

1980-08-19

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

208 11R, 166251, 166256, 166259, 166267, 299 6, C10G 3106

Patent

active

042183090

ABSTRACT:
Crude shale oil produced by in situ retorting of oil shale can contain from about 1 to 2% sulfur by weight, the sulfur being distributed widely through the lower and higher boiling fractions of the shale oil. Substantially non-condensible sulfur containing gas such as hydrogen sulfide is evolved from such crude shale oil by maintaining such shale oil at an elevated temperature in the substantial absence of added reagent, with the maximum temperature below thermal decomposition temperatures of such shale oil for sufficient time to lower the sulfur content of the shale oil.

REFERENCES:
patent: 2315843 (1943-04-01), Drennan et al.
patent: 2414963 (1947-01-01), McConnell
patent: 3284336 (1966-11-01), Culbertson, Jr. et al.
patent: 3341448 (1967-09-01), Ford et al.
patent: 3994343 (1976-11-01), Cha et al.
patent: 4007963 (1977-02-01), Ridley
patent: 4125157 (1978-11-01), Ridley
patent: 4126180 (1978-11-01), Cha

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