| 组别 | 实验药剂 | 投加量 | COD含量(mg/L) | COD去除率(%) | |
| 原水水样 | —— | —— | 158 | —— | |
| A | 1 | 三氯化铁 + PAM | 0.3 ml + 0.5ml | 102 | 35.44 |
| 2 | 三氯化铁 + PAM | 0.4 ml + 0.5 ml | 92 | 41.77 | |
| 3 | 三氯化铁 + PAM | 0.5 ml + 0.5 ml | 73 | 53.80 | |
| 4 | 三氯化铁 + PAM | 0.6 ml + 0.5 ml | 79 | 50.00 | |
| 5 | 三氯化铁 + PAM | 0.7 ml + 0.5 ml | 78 | 50.63 | |
| 6 | 三氯化铁 + PAM | 0.8 ml + 0.5 ml | 81 | 48.73 | |
| B | 1 | PAC + PAM | 0.3 ml + 0.5 ml | 99 | 37.34 |
| 2 | PAC + PAM | 0.4 ml + 0.5 ml | 85 | 46.20 | |
| 3 | PAC + PAM | 0.5 ml + 0.5 ml | 81 | 48.73 | |
| 4 | PAC + PAM | 0.6 ml + 0.5 ml | 76 | 51.90 | |
| 5 | PAC + PAM | 0.7 ml + 0.5 ml | 74 | 53.16 | |
| 6 | PAC + PAM | 0.8 ml + 0.5 ml | 79 | 50.00 | |
| C | 1 | 硅酸铝铁 + PAM | 0.3 ml + 0.5 ml | 108 | 31.65 |
| 2 | 硅酸铝铁 + PAM | 0.4 ml + 0.5 ml | 97 | 38.61 | |
| 3 | 硅酸铝铁 + PAM | 0.5 ml + 0.5 ml | 90 | 43.04 | |
| 4 | 硅酸铝铁 + PAM | 0.6 ml + 0.5ml | 86 | 45.57 | |
| 5 | 硅酸铝铁 + PAM | 0.7 ml + 0.5 ml | 85 | 46.20 | |
| 6 | 硅酸铝铁 + PAM | 0.8 ml + 0.5 ml | 87 | 44.94 | |
| D | 1 | 聚合硫酸铁 + PAM | 0.3 ml + 0.5 ml | 95 | 39.87 |
| 2 | 聚合硫酸铁 + PAM | 0.4 ml + 0.5 ml | 72 | 54.43 | |
| 3 | 聚合硫酸铁 + PAM | 0.5 ml + 0.5 ml | 61 | 61.39 | |
| 4 | 聚合硫酸铁 + PAM | 0.6 ml + 0.5 ml | 58 | 63.29 | |
| 5 | 聚合硫酸铁 + PAM | 0.7 ml + 0.5 ml | 56 | 64.56 | |
| 6 | 聚合硫酸铁 + PAM | 0.8 ml + 0.5 ml | 61 | 61.39 | |