Table 1.
Chemical compositions of the materials.
| Components | w/w (%) | |
|---|---|---|
| Montmorillonite | Industrial waste | |
| Na2O | 1.71 | 2.04 |
| MgO | 3.96 | 1.85 |
| Al2O3 | 18.64 | 3.01 |
| SiO2 | 64.11 | 23.18 |
| CaO | 2.37 | 11.21 |
| K2O | 0.50 | 0.37 |
| Fe2O3 | 3.01 | 39.17 |
| ZnO | — | 14.15 |
| CuO | — | 0.71 |
| SO3 | — | 7.09 |
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