Coal desulfurization by aqueous chlorination

Details Coal desulfurization by aqueous chlorination Coal desulfurization by aqueous chlorination

1980-05-12

1982-04-20

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

201 17, C10L 902

Patent

active

043257070

ABSTRACT:
A method of desulfurizing coal is described in which chlorine gas is bubbled through an aqueous slurry of coal at low temperature below 130 degrees C., and at ambient pressure. Chlorinolysis converts both inorganic and organic sulfur components of coal into water soluble compounds which enter the aqueous suspending media. The media is separated after chlorinolysis and the coal dechlorinated at a temperature of from 300 degrees C. to 500 degrees C. to form a non-caking, low-sulfur coal product.

REFERENCES:
patent: 887145 (1908-05-01), Stoner
patent: 2205410 (1940-06-01), Howard
patent: 3998604 (1976-12-01), Hinkley
patent: 4081250 (1978-03-01), Hsu et al.
patent: 4118200 (1978-10-01), Kruesi
patent: 4169710 (1979-10-01), Jensen

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