| 处理时间(h) | ck | 1:1250 (a) | 1:1000 (b) | 1:750 (c) | 1:500 (d) |
| 去除率(%) | 去除率(%) | 去除率(%) | 去除率(%) | 去除率(%) | |
| 4 h | 0.98 | 2.02 | 3.10 | 2.09 | 1.15 |
| 6 h | 3.01 | 7.20 | 16.40 | 8.11 | 6.21 |
| 8 h | 4.85 | 13.05 | 20.08 | 17.97 | 12.17 |
| 10 h | 6.20 | 19.89 | 23.21 | 20.79 | 16.14 |
| 24 h | 6.55 | 23.21 | 27.29 | 25.15 | 20.03 |