| 实验序号 No. | 因素X1 | 因素X2 | 因素X3 | 响应值Y |
| 投加量/(mg·mL−1) | PS添加量/(mg·mL−1) | pH | 去除率/% | |
| 1 | 1 | 0 | −1 | 83.8 |
| 2 | 1 | 1 | 0 | 84.3 |
| 3 | 0 | 0 | 0 | 75.4 |
| 4 | −1 | 0 | 1 | 71.6 |
| 5 | 0 | 1 | 1 | 81.8 |
| 6 | 0 | 1 | −1 | 90.1 |
| 7 | 0 | −1 | 1 | 59.8 |
| 8 | 0 | −1 | −1 | 60.5 |
| 9 | −1 | 0 | −1 | 80.8 |
| 10 | 0 | 0 | 0 | 78.5 |