Research Article
Preparation and Mechanical Properties of Cemented Uranium Tailing Backfill Based on Alkali-Activated Slag
Table 1
Main chemical composition of test materials (%).
| | SiO2 | Al2O3 | SO3 | K2O | Fe2O3 | Na2O | CaO | TiO2 | P2O5 | MnO | MgO | U |
| Uranium tailings | 86.057 | 6.038 | 2.426 | 2.365 | 1.544 | 0.500 | 0.377 | 0.207 | 0.133 | — | 0.100 | 0.037 | Slag powder | 32.861 | 15.651 | 2.262 | 0.561 | 0.567 | 0.499 | 40.444 | 0.998 | 0.030 | 0.722 | 5.024 | — | Quicklime powder | 1.24 | 0.540 | — | 0.070 | 0.411 | 0.351 | 94.78 | 0.036 | 0.009 | 0.006 | 2.31 | — |
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