Study on Relationship between Chemical Composition and Acidity of Fly Ash

摘要

The coal utilization by-products are gained much attention due to the resources and environmental considerations when disposal and the increasing use. The topic about relationship between chemical composition and acidity of fly ash was discussed in this paper. The chemical composition of 27 samples from BJ station and 36 samples from MF station was tested by ICP- AES. The pH value for corresponding samples was measured using a pH meter. And, further, the regression between chemical composition and acidity of samples was discussed. The research work revealed that the composition of fly ash was a controlling factor to affect the acidity, and with the increasing of ratio for acid to base, the pH value decreasing.