Table 2.
Chemical analysis of roller kiln solid waste.
| Main constituents | Roller kiln waste |
|---|---|
| SiO2 | 10.69 |
| Al2O3 | 83.75 |
| Fe2O3 | 1.61 |
| TiO2 | 0.21 |
| ZrO2 | 2.35 |
| MnO | < 0.01 |
| SO3 | 0.07 |
| MgO | 0.22 |
| CaO | 0.25 |
| Na2O | 0.02 |
| K2O | 0.03 |
| Cl | 0.06 |
| P2O5 | 0.03 |
| LOI | 0.42 |
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