Research Article
Preparation of Portland Cement with Gold Ore Tailings
Table 1
Chemical compositions of raw materials (wt.%).
| Materials | Limestone | Bauxite | Iron corrective material | SS | GTs |
| SiO2 | 5.70 | 39.08 | 55.96 | 91.64 | 72.86 | Al2O3 | 1.17 | 33.77 | 2.09 | 3.15 | 13.68 | Fe2O3 | 0.42 | 11.13 | 35.32 | 1.69 | 1.11 | CaO | 48.26 | 0.85 | 1.87 | 0.34 | 1.06 | MgO | 2.81 | 1.34 | 3.89 | 0.37 | 0.08 | SO3 | 0.18 | 1.47 | 0.19 | 0.60 | 0.16 | K2O | 0.35 | 0.25 | 0.03 | 0.20 | 5.32 | Na2O | 0.10 | — | 0.03 | 0.20 | 3.04 | LOIa | 40.87 | 11.72 | 0.47 | 1.11 | 1.98 |
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aLoss on ignition at 950°C.
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