Slurry of coal-water-anionic organic surfactant

Details Slurry of coal-water-anionic organic surfactant Slurry of coal-water-anionic organic surfactant

C - Chemistry, Metallurgy

10

L

44/10, 302/17

C10L 1/32 (2006.01)

Patent

CA 1107958

SLURRY OF COAL-WATER-ANIONIC ORGANIC SURFACTANT ABSTRACT OF THE INVENTION This invention relates to a method for making and utilizing a novel partially de-ashed, pseudoplastic coal-water slurry for pumpline conveyance to coal-water slurry combustion and gasification processes. The novel coal-water slurry is deflocculated while retaining pseudoplastic rheology by adding to pulverized coal particles dispersed in water a deflocculating amount of an anionic organic surfactant, preferably in the presence of alkali.

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