| 工艺 | COD (mg/L) | BOD5 (mg/L) | NH4-N (mg/L) | TN (mg/L) | SS (mg/L) | pH | 总汞(mg/L) | 总铅(mg/L) | 总镉(mg/L) | 总铬(mg/L) | 六价(mg/L)铬 | 总砷(mg/L) |
| 原工艺 | ≤100 | ≤30 | ≤15 | ≤60 | ≤70 | 6~9 | ≤0.05 | ≤1.0 | ≤0.1 | ≤1.5 | ≤0.5 | ≤0.5 |
| 改造工艺 | ≤60 | ≤10 | ≤10 | ≤40 | ≤30 | 6.5~8.5 | 0.001 | 0.1 | 0.01 | 0.1 | 0.05 | 0.1 |