| PAM离子/% | 20 | 30 | 40 | 50 | 60 |
| 聚合硅酸铝铁混凝剂投加量/% | 1 | 1 | 1 | 1 | 1 |
| 絮凝剂投加量(mg/L) | 50 | 50 | 50 | 50 | 50 |
| 絮体抱团情况 | ++ | ++ | +++ | +++ | ++++ |
| 滤液清澈度 | ++ | ++ | +++ | +++ | ++++ |