Roll press grinding aid for granulated blast furnace slag

Details Roll press grinding aid for granulated blast furnace slag Roll press grinding aid for granulated blast furnace slag

C - Chemistry, Metallurgy

04

B

C04B 24/26 (2006.01) B02C 4/00 (2006.01) B02C 23/06 (2006.01) C04B 18/14 (2006.01)

Patent

CA 2228914

A grinding aid and an enhanced roll press method of grinding granulated blast furnace slag by treating the slag feed of the roll press with from about 0.002 to 0.2 weight percent of polyacrylic acid or its alkali metal salt in combination with up to about 4 weight percent water.

L'invention concerne un adjuvant de broyage et un procédé amélioré de broyage des scories granulées de haut fourneau dans lequel on traite les scories arrivant au broyeur à cylindres avec entre 0,002 % en poids environ et 0,2 % en poids environ d'acide polyacrylique ou de son sel de métal alcalin, en combinaison avec jusqu'à environ 4 % en poids d'eau.

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