C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
134/52
C10L 1/32 (2006.01)
Patent
CA 1172933
ABSTRACT A process is disclosed for producing pumpable coal-water suspensions by grinding pre-comminuted coal with water in a packed column in a ratio corresponding to the composition of the suspension ready for use. The addition of water or coal is controlled consequent on measuring the density of the suspension leaving the mill, and the grain size of the coal particles is controlled following measurement of the viscosity of the suspension. The addition of additives to the water is regulated according to the amount of coal added to the mill.
403893
Heinen Heinrich
Kolodzey Wolfgang
Lieder Bernhard
Lusch Jurgen
Schmidt Volkmar
Fetherstonhaugh & Co.
Ruhrchemie Aktiengesellschaft
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