| 试验号 | 活性炭投放量(g/L) | 吸附时间(h) | pH | 剩余Sb2+浓度(mg/L) | Sb2+去除率(%) |
| 1 | 4 | 1.5 | 5 | 0.16 | 93.04 |
| 2 | 4 | 2.0 | 6 | 0.12 | 94.78 |
| 3 | 4 | 2.5 | 7 | 0.15 | 93.48 |
| 4 | 5 | 1.5 | 6 | 0.08 | 96.52 |
| 5 | 5 | 2.0 | 5 | 0.02L | 99.13 |
| 6 | 5 | 2.5 | 7 | 0.04 | 98.26 |
| 7 | 6 | 1.5 | 7 | 0.06 | 97.39 |
| 8 | 6 | 2.0 | 6 | 0.03 | 98.70 |
| 9 | 6 | 2.5 | 5 | 0.02L | 99.13 |
| K1 | 281.31 | 286.95 | 291.30 | ||
| K2 | 293.91 | 292.62 | 290.01 | ||
| K3 | 294.36 | 290.88 | 289.14 | ||
| k1 | 93.77 | 95.65 | 97.10 | ||
| k2 | 97.97 | 97.54 | 96.67 | ||
| k3 | 98.12 | 96.96 | 96.38 | ||
| 极差R | 4.35 | 1.88 | 0.72 |