Coal recovery system from mine tailings

Details Coal recovery system from mine tailings Coal recovery system from mine tailings

B - Operations, Transporting

03

B

209/71

B03B 5/00 (2006.01) B03B 1/04 (2006.01) B03B 5/44 (2006.01) B03B 9/00 (2006.01) B03D 3/00 (2006.01)

Patent

CA 1091622

A B S T R A C T The invention resides in the area of separating coal from the accompanying gangue. The coal and gangue are contacted with water and a water-immiscible organic liquid, agitation applied, and the water fraction and organic liquid fraction are separated. Depending on the ratio of water and organic liquid to coal-gangue, the gangue and water are drawn off from the top of the mixture and the coal and organic liquid from the bottom or the water-coal from the top and gangue- -liquid from the bottom. The advantages produced are a lower sulfur content and lower ash content.

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