Method of reducing viscosity in aqueous coal slurries by use...

C - Chemistry – Metallurgy – 10 – L

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C10L 1/32 (2006.01) B01F 17/00 (2006.01)

Patent

CA 1253692

23443-316 ABSTRACT OF THE DISCLOSURE Aliphatic, cyclo-aliphatic or aromatic polycarboxylic acid esters of phenyl polyglycol ethers of the formula Image (wherein R1, R2 and R3 are each hydrogen, C1-18 alkyl, phenyl-C1-10 alkyl, or optionally alkyl-substituted aromatic hy- drocarbyl; n is 3 to 400; R4 is H or C1-3 alkyl; and R5 is - Image , where A is a divalent radical and M is H or cation) are used as a viscosity reducer in aqueous coal slurries.

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