Carbonaceous materials in water slurries

Details Carbonaceous materials in water slurries Carbonaceous materials in water slurries

C - Chemistry, Metallurgy

10

L

44/10, 302/3, 31

C10L 1/32 (2006.01) F17D 1/16 (2006.01)

Patent

CA 1179132

ABSTRACT OF THE DISCLOSURE Stabilized carbonaceous materials in water slurries having reduced viscosity and improved pumpability are obtained by having present an ammonium salt of naphthalenesulfonic acid formaldehyde condensate as a stabilizer, the ammonium condensate being present in an amount sufficient to reduce viscosity of the aqueous carbonaceous slurry and to improve its pumpability. From about 0.01 to about 5% by weight of the ammonium condensate may be added to a coal water slurry containing from about 50 to about 80% or higher solids with the balance being water.

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