| 试验号 | (A) | (B) | (C) | (D) | 去除率/% |
| 1 | 5 | 7 | 90 | 25 | 77.75 |
| 2 | 10 | 7 | 120 | 30 | 78.10 |
| 3 | 15 | 7 | 150 | 35 | 78.86 |
| 4 | 5 | 8 | 150 | 30 | 78.43 |
| 5 | 10 | 8 | 120 | 35 | 78.21 |