Table 1. Mineral content of Shenhua and Yankuang coal fly ash.
| SiO2/% | Al2O3/% | CaO/% | Fe2O3/% | |
|---|---|---|---|---|
| Shenhua | 56.83 | 26.17 | 10.20 | 6.98 |
| Yankuang | 44.50 | 35.00 | 13.02 | 7.48 |
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