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| Salinity (g L−1) | Media filling ratio (%) | HRT (h) | MLSS (g L−1) | Inlet phenol concentration (mg L−1) | Operation condition | Day |
|---|---|---|---|---|---|---|
| Tap water | 40 | 24 | 4 | 100 | Start-up | 1–21 |
| Tap water | 40 | 24 | 4 | 100–800 | Inlet phenol concentration | 22–94 |
| Tap water | 40 | 24 | 4–7 | 800 | MLSS | 119–183 |
| Tap water | 0–40 | 24 | 4 | 500 | Media filling ratio | 183–300 |
| Tap water | 40 | 12–24 | 4 | 500 | HRT | 301–354 |
| 0–20 | 40 | 24 | 4 | 800 | Salinity | 355–409 |
| Tap water | 40 | 12 | 4 | 500 | H2O2 injection | 410–510 |
