C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 18/08 (2006.01) C04B 20/02 (2006.01) C04B 28/02 (2006.01)
Patent
CA 2380090
A method for pretreating a carrier component for a cementitious composition in particular fly ask. A quantity of any component of a cementitious composition is analyzed to determine its adsorption potential in the composition. The quantity of the component is treated with an effective amount of a treatment agent to control the adsorption potential. In a specific embodiment fly ask is treated with a detergent to control its adsorption potential and subsequently inhibit the air consumption by the fly ask when incorporated into a cementitious material.
Cette invention concerne un procédé de pré-traitement destiné à un élément support d'une composition à base de ciment, en particulier de la cendre légère. On analyse une certaine quantité d'un quelconque composant d'une composition à base de ciment afin de limiter le potentiel d'adsorption dudit composant dans la composition. On traite ensuite cette quantité au moyen d'une dose efficace d'agent de traitement pour en limiter le potentiel d'adsorption. Selon un mode de réalisation particulier, on traite la cendre légère avec un détergent afin d'en limiter le potentiel d'adsorption et ultérieurement d'empêcher la consommation d'air par ladite cendre une fois celle-ci intégrée dans un matériau à base de ciment.
Finlayson & Singlehurst
Mainland Laboratory Ltd.
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