Process for removing sulfur from coal

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

C - Chemistry, Metallurgy

10

L

196/11

C10L 9/02 (2006.01) C10L 9/00 (2006.01)

Patent

CA 1136078

PROCESS FOR REMOVING SULFUR FROM COAL ABSTRACT OF THE DISCLOSURE A process for reducing the sulfur and ash content of coal comprising the steps of: 1) contacting coal particles containing ash and iron pyrite mineral matter with a promoting amount of at least one conditioning agent capable of modifying or altering the existing surface characteristics of the pyrite under conditions to effectuate alteration or modification of at least a portion of the contained pyritic sulfur; 2) separating the coal particles from at least a portion of the pyritic sulfur while surface characteristics are altered or modified; and 3) recovering coal particles wherein the coal exhibits reduced sulfur and ash content.

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