Grinding aids for granular blast furnace slag

Details Grinding aids for granular blast furnace slag Grinding aids for granular blast furnace slag

C - Chemistry, Metallurgy

04

B

241/136

C04B 5/02 (2006.01) B02C 23/06 (2006.01) C04B 5/00 (2006.01) C04B 7/52 (2006.01) C04B 24/00 (2006.01) C04B 24/12 (2006.01)

Patent

CA 1180691

Abstract of the Disclosure Granular blast furnace slag is interground with amine salts of aromatic group-containing carboxylic acids to enhance the efficiency of the grinding operation. In a preferred embodiment, a mixture of aromatic group-containing carboxylic acids obtained as a low cost by-product in a commerical process to produce phthalic anhydride, is utilized to prepare the amine salt grinding aid of the invention.

409365

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