| 测定指标 | TN(mg/l) | TP(mg/l) | COD(mg/l) |
| 铁碳质量(g) | |||
| 50 | 70.728 | 6.133 | 490.46 |
| 100 | 50.717 | 4.596 | 484.41 |
| 150 | 53.352 | 3.674 | 476.36 |
| 200 | 50.695 | 3.520 | 444.13 |
| 250 | 47.833 | 3.213 | 395.79 |