Table 2.
Oxides in the ash residue of the coal sample.
| SiO2 (%) | Al2O3 (%) | TiO2 (%) | K2O (%) | Na2O (%) | MnO2 (%) | Fe2O3 (%) | CaO (%) | MgO (%) | SO3 (%) | P2O5 (%) |
|---|---|---|---|---|---|---|---|---|---|---|
| 46.57 | 7.55 | 1.39 | 0.37 | 1.34 | 0.47 | 17.35 | 10.33 | 3.37 | 2.80 | 0.01 |
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