| 实验号 | A 活性炭用量(mg) | B 时间(min) | C 温度(℃) | D pH值 | 脱色率(%) | |
| 1 | 1 | 1 | 1 | 1 | 30.0 | |
| 2 | 1 | 2 | 2 | 2 | 31.2 | |
| 3 | 1 | 3 | 3 | 3 | 38.0 | |
| 4 | 2 | 1 | 2 | 3 | 25.4 | |
| 5 | 2 | 2 | 3 | 1 | 43.1 | |
| 6 | 2 | 3 | 1 | 2 | 24.5 | |
| 7 | 3 | 1 | 3 | 2 | 40.4 | |
| 8 | 3 | 2 | 1 | 3 | 21.5 | |
| 9 | 3 | 3 | 2 | 1 | 39.0 | |
| k1 | 33.067 | 31.933 | 25.333 | 37.367 |
| |
| k2 | 31.000 | 31.933 | 31.867 | 32.033 |
| |
| k3 | 33.633 | 33.833 | 40.500 | 28.300 |
| |
| R | 2.633 | 1.900 | 15.167 | 9.067 |
| |