Method for improving grindability of cement aggregates

Details Method for improving grindability of cement aggregates Method for improving grindability of cement aggregates

C - Chemistry, Metallurgy

04

B

261/64

C04B 20/04 (2006.01) C04B 5/00 (2006.01)

Patent

CA 2333415

In order to improve grindability and regulate the hydraulic properties of cement aggregates, especially slags, soots or pozzolans, the cement aggregates are subjected to a treatment at temperatures ranging between 250~ C and 1000~ C before undergoing grinding.

L'invention concerne un procédé pour améliorer l'aptitude au broyage et ajuster les propriétés hydrauliques d'additifs de broyage pour ciment, notamment de scories, de cendres volantes ou de pouzzolanes. Ce procédé consiste à soumettre les additifs de broyage à un traitement à des températures comprises entre 250 ·C et 1000 ·C, avant le broyage.

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