Method of manufacturing a pumpable coal/liquid mixture

Details Method of manufacturing a pumpable coal/liquid mixture Method of manufacturing a pumpable coal/liquid mixture

C - Chemistry, Metallurgy

10

L

44/10

C10L 1/32 (2006.01)

Patent

CA 1215537

METHOD OF MANUFACTURING A PUMPABLE COAL/LIQUID MIXTURE. ABSTRACT In order to enable a reduction of the percentage of liquid in a liquid/coal pumping mixture the coal is dry-ground in a first grinding stage (1) to provide a relatively coarse particle size and then a fraction of the coarse ground coal is then dry-ground in a second grinding stage (9) to a relative fine particle size. The fine ground fraction is then mixed with the remainder of the coarse-ground fraction (7) and with the liquid.

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