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Decarbonization method of fly ash
The content of residual carbon in fly ash will seriously affect the performance indicators of fly ash products. In ceramics, if the residual carbon during sintering is not completely burned, it will lead to a decrease in the quality of the embryo and introduce impurities;
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What are the functions of fly ash?
The decrease in temperature rise of concrete: Adding fly ash can reduce the amount of cement used, and the hydration heat of fly ash is very low, thereby reducing the hydration heat. Therefore, the temperature rise of concrete during construction is reduced,
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How to improve the quality of fly ash?
The hydration reaction of fly ash lags behind that of cement, and the reaction is relatively slow, so its early activity is low and its contribution to the early strength of concrete is not significant. It is necessary to improve the mid to late strength and durability of concrete by adding high-efficiency water reducing agents and reducing the water cement ratio.
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