Table 1 Orthogonal design scheme and results.
Serial number | Influencing factors | UCS/MPa | Toxic leaching/(mg/L) | |||
|---|---|---|---|---|---|---|
A/Times | B/% | C/% | Cr(VI) | Total Cr | ||
1 | 1 (2 Times) | 1 (5%) | 1 (10%) | 6.91 | 0.47 | 4.02 |
2 | 1 (2 Times) | 2 (10%) | 2 (15%) | 9.18 | 0.25 | 1.79 |
3 | 1 (2 Times) | 3 (15%) | 3 (20%) | 12.31 | 0.16 | 0.92 |
4 | 2 (3 Times) | 1 (5%) | 2 (15%) | 9.08 | 0.06 | 1.97 |
5 | 2 (3 Times) | 2 (10%) | 3 (20%) | 12.24 | 0.05 | 0.91 |
6 | 2 (3 Times) | 3 (15%) | 1 (10%) | 7.82 | 0.08 | 1.83 |
7 | 3 (4 Times) | 1 (5%) | 3 (20%) | 12.02 | 0.01 | 1.54 |
8 | 3 (4 Times) | 2 (10%) | 1 (10%) | 7.28 | 0.03 | 2.32 |
9 | 3 (4 Times) | 3 (15%) | 2 (15%) | 9.46 | 0.02 | 0.74 |
