Separating coal particles from water

Details Separating coal particles from water Separating coal particles from water

C - Chemistry, Metallurgy

10

L

44/1, 182/148

C10L 5/00 (2006.01) C10L 5/06 (2006.01)

Patent

CA 1074998

ABSTRACT OF THE DISCLOSURE A process for separating the coal particles in a coal/water slurry from water of the slurry comprises the steps: a. supplying the slurry to a separator wherein the larger coal particles together with a relatively small quantity of water are separated from the slurry as supplied, so that a second slurry remains comprising the smaller coal particles and a relatively large quantity of water; b. passing the second slurry to an agglomeration device; c. introducing a relatively small quantity of an binder and the second slurry into the agglomeration device so that agglomerates of coal particles and binder are formed; and d. separating the agglomerates from the water; the process permits the formation of a relatively dry and substantially ash-free, dust-free product of larger coal particles and agglomerates of smaller coal particles.

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