Table 3. Composition of the Ash Yield.
| ash composition % |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| coal sample | SiO2 | Al2O3 | CaO | Fe2O3 | SO3 | MgO | TiO2 | Na2O | P2O5 |
| anthracite | 24.83 | 22.14 | 11.87 | 26.27 | 10.81 | 0.9 | 0.09 | 0.19 | 0.13 |
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