Process for removing sulfur from coal

Details Process for removing sulfur from coal Process for removing sulfur from coal

1983-08-11

1985-02-05

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

201 17, C10L 906

Patent

active

044976364

ABSTRACT:
A process for the removal of divalent organic and inorganic sulfur compounds from coal and other carbonaceous material. A slurry of pulverized carbonaceous material is contacted with an electrophilic oxidant which selectively oxidizes the divalent organic and inorganic compounds to trivalent and tetravalent compounds. The carbonaceous material is then contacted with a molten caustic which dissolves the oxidized sulfur compounds away from the hydrocarbon matrix.

REFERENCES:
patent: 3919118 (1975-11-01), Robinson et al.
patent: 4087514 (1978-05-01), Robinson et al.
patent: 4118200 (1978-10-01), Kruesi
patent: 4183730 (1980-01-01), Dondelewski
patent: 4324560 (1982-04-01), Fonseca
patent: 4328002 (1982-05-01), Bender

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