Dispersants for aqueous slurries

Details Dispersants for aqueous slurries Dispersants for aqueous slurries

B - Operations, Transporting

01

F

134/55

B01F 17/12 (2006.01) B01F 17/00 (2006.01)

Patent

CA 1243918

ABSTRACT The present invention provides a water-soluble dispersant for aqueous slurries of coal, lignite, cement, gypsum, and fillers. The dispersant comprises a sulfonated mixture of polynuclear fused-ring aromatic hydrocarbon compounds. The mixture, prior to sulfona- tion, (a) is liquid at a temperature of 100°C, (b) has an aromatic content of more than sixty percent, and (c) a weight average molecular weight of less than five hundred.

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