| 序号 | SDBS混合比 | 原水COD 浓度(mg·L−1) | 好氧进水COD 浓度(mg·L−1) | 好氧出水COD 浓度(mg·L−1) | 好氧COD 去除率 | 总COD 去除率 |
| 1 | 0.5‰ | 526 | 288 | 131.9 | 45.25% | 74.92% |
| 2 | 0.75‰ | 781.2 | 340.5 | 138.2 | 56.41% | 82.31% |
| 3 | 1‰ | 1040 | 392.7 | 142.5 | 63.71% | 86.30% |
| 4 | 1.25‰ | 1265 | 354.2 | 146.7 | 58.58% | 88..4% |
| 5 | 1.5‰ | 1440 | 380.3 | 156.4 | 58.87% | 89.14% |
| 6 | 1.75‰ | 1890 | 490.5 | 159 | 67.58% | 91.59% |
| 7 | 3‰ | 3280 | 640 | 161 | 74.84% | 95.09% |
| 8 | 5‰ | 4430.5 | 780.6 | 164.6 | 78.91% | 96.28% |
| 9 | 6‰ | 6440 | 966.5 | 169.5 | 82.46% | 97.37% |