A settable composition and uses therefor

Details A settable composition and uses therefor A settable composition and uses therefor

C - Chemistry, Metallurgy

04

B

C04B 9/00 (2006.01) C04B 2/10 (2006.01) C04B 9/04 (2006.01) C04B 22/00 (2006.01) C04B 28/10 (2006.01) C04B 28/30 (2006.01) C04B 40/02 (2006.01)

Patent

CA 2239504

A dry powdered flowable cement composition contains calcium carbonate and a partially decarbonated magnesium carbonate. A slurry of the composition will set hard with various organic fillers including waste products and toxic waste. The composition can be slurried with contaminated water such as sea water, mineral laden ground water and muddy water. A high percentage of filler can be added while still having an acceptable set.

Cette invention concerne une composition de ciment fluide, sous forme de poudre sèche, qui contient du carbonate de calcium et un carbonate de magnésium partiellement décarbonaté. Une boue liquide de la composition pourra se solidifier après mélange avec diverses charges de remplissage organiques, dont des produits de rejet et des déchets toxiques. Cette composition peut être transformée en boue liquide par addition d'eau contaminée, du type eau de mer, eau souterraine chargée de minéraux et eau boueuse. Il est possible d'ajouter un pourcentage important de charges de remplissage tout en conservant à la composition une aptitude acceptable au durcissement.

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