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

10

G

196/11

C10G 1/00 (2006.01) C10L 9/00 (2006.01)

Patent

CA 1132927

PROCESS FOR REMOVAL OF SULFUR AND ASH FROM COAL ABSTRACT OF THE DISCLOSURE A process for reducing the sulfur and ash content of coal wherein coal particles are treated with a conditioning agent in an aqueous slurry prior to agglomeration with a minor amount of hydrocarbon oil. After separation of the coal-oil agglomerate from ash and mineral matter remaining in the aqueous slurry, additional oil is added to provide a slurry of coal particles in hydrocarbon oil. Agglomeration of remaining ash and mineral matter is effected by addition of a minor amount of water. After separation of the mineral agglomerate and recovery from the oil slurry, treated coal particles are substantially reduced in ash and sulfur content.

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