C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 7/12 (2006.01) C04B 7/13 (2006.01) C04B 40/00 (2006.01)
Patent
CA 2451657
A fly ash composition is provided which includes a blend of Class C fly ash, potassium carbonate, and lithium carbonate, which, in combination, reduce alkali silica reactivity when the fly ash composition is used in concrete applications. The fly ash composition includes from about 65 to 99 wt.% Class C fly ash, from about 0.1 wt.% to about 4 wt% potassium carbonate, and from about 0.1 wt.% to about 4 wt.% lithium carbonate.
L'invention concerne une composition de cendres volantes, qui comprend un mélange de cendres volantes de classe C, de carbonate de potassium, et de carbonate de lithium. Une telle combinaison a pour effet de réduire la réactivité alcali-silice lorsque les cendres volantes sont utilisées dans les applications de béton. Ladite composition comprend, en poids, entre environ 65 % et 99 % de cendres volantes de classe C, entre environ 0,1 % et environ 4 % de carbonate de potassium, et entre environ 0,1 % et environ 4 % de carbonate de lithium.
Gowling Lafleur Henderson Llp
Mineral Resource Technologies Inc.
LandOfFree
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