| Aeration way | DO = 1 mg/L | DO = 4 mg/L | ||
| MLSS/(g∙L−1) | SVI (mL∙g−1) | MLSS (g∙L−1) | SVI (mL∙g−1) | |
| Ordinary aeration(R1) | 1.977 | 101 | 1.945 | 159 |
| Microporous aeration (R2) | 2.527 | 107 | 2.726 | 84 |