Process for removal of sulfur and ash from coal

Details Process for removal of sulfur and ash from coal Process for removal of sulfur and ash from coal

C - Chemistry, Metallurgy

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44/1, 196/11

C10L 9/02 (2006.01) B03B 9/00 (2006.01) B03D 1/02 (2006.01) B03D 3/06 (2006.01) C10L 9/00 (2006.01)

Patent

CA 1146894

PROCESS FOR REMOVAL OF SULFUR AND ASH FROM COAL ABSTRACT OF THE DISCLOSURE A process for reducing the sulfur and ash content of coal particles wherein coal particles are treated in an aqueous slurry with a minor amount of hydrocarbon oil to form coal-oil aggregates having modified particle size and density characteristics The coal-oil aggregates are separated from ash and mineral matter in the slurry by gravitational means. Optionally, the coal particles may be treated with a conditioning agent prior to the aggregation step. Recovered coal particles comprise a substantial part of the feed carbon values.

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