Freeze conditioning agent for coal

Details Freeze conditioning agent for coal Freeze conditioning agent for coal

C - Chemistry, Metallurgy

09

K

31/80

C09K 3/18 (2006.01) C10L 9/10 (2006.01)

Patent

CA 1178042

ABSTRACT OF THE DISCLOSURE A method for treating particulate solids such as coal to reduce the cohesive strength of such solids when frozen which consists of spraying said solids with a hydro- carbon liquid solution of a mixture of surfactants having an HLB of greater than 12 and containing an anionic sur- factant such as the monoethanol amine salt of dodecyl ben- zene sulfonic acid and a nonionic surfactant such as dino- nylphenol reacted with 9 moles of ethylene oxide.

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