Process for the production of cement

Details Process for the production of cement Process for the production of cement

C - Chemistry, Metallurgy

04

B

C04B 7/43 (2006.01) C04B 7/36 (2006.01) F27B 7/20 (2006.01)

Patent

CA 2669730

The invention provides a process for the production of cement which comprises the calcination of calcium carbonate-containing raw meal in a calciner heated by combustion of a carbon-containing fuel with a gas comprising oxygen and from 0 to 80% by volume of carbon dioxide, and substantially free of nitrogen, and isolating the gas produced by combustion and calcination in the calciner.

L'invention concerne un procédé de production de ciment consistant à calciner une farine crue contenant du carbonate de calcium dans un four de calcination chauffé par combustion d'un combustible contenant du carbone au moyen d'un gaz comprenant de l'oxygène et entre 0 et 80% en volume de dioxyde de carbone, et à isoler le gaz produit par combustion et calcination dans le four de calcination.

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