Study on the pozzolanic activity of ultrafine circulating fluidized-bed
Ultrafine grinding improves the dissolution rate of SiO 2 and Al 2 O 3 of CFB fly ash and the absorption capacity of Ca 2+ in saturated Ca(OH) 2 solution, which is mainly due to the decrease of polymerization degree of Si-O and Al-O polyhedrons and particle size of CFB fly ash, thus further improves its pozzolanic activity.
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