C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
44/10
C10L 1/32 (2006.01) C10L 5/00 (2006.01) F23K 1/02 (2006.01)
Patent
CA 1103025
ABSTRACT OF THE DISCLOSURE A coal-water suspension containing 50 to 75 percent by weight coal, based on the weight of the suspension, the bulk of the coal having a particle size of 50 to 500 µm, the proportion of the particles having a diameter greater than 0.5 mm in the coal being less than 15 percent by weight and the particle size distribution curve of the coal in the Rosin-Rammler particle size distribution grid according to DIN 4190 having a slope of ? 1. A pro- cess is also described for the production of such water-coal suspension which is suitable for use in coal gasification under elevated pressure by mixing lump coal with water directly, wherein the water is added in a concentration just sufficient to form a water-coal dust suspension suitable for the gasifi- cation reaction and grinding the resultant suspension in a disc attrition mill, a toothed disc attrition mill or a toothed colloid mill.
333983
Heinen Heinrich
Kolodzey Wolfgang
Lieder Bernhard
Lusch Jurgen
Schmidt Volkmar
Fetherstonhaugh & Co.
Ruhrchemie Aktiengesellschaft
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