Table 1 Removal of contaminants by the OD and MBR processes.
Indicator | Influent (mg/L) | OD | MBR | ||
|---|---|---|---|---|---|
Effluent (mg/L) | Removal efficiency (%) | Effluent (mg/L) | Removal efficiency (%) | ||
COD | 246–1012 | 10–31 | 82.0–99.0 | 8–28 | 85.1–99.7 |
BOD5 | 71–589 | 1–6 | 85.9–99.1 | 1–5 | 91.1–99.9 |
SS | 94–520 | 1–10 | 96.0–99.2 | 1–7 | 96.8–99.8 |
NH4+-N | 19.11–68.35 | 0.89–1.23 | 84.5–99.8 | 1.01–1.39 | 69.0–99.0 |
TN | 32.10–94.32 | 1.93–13.5 | 62.0–96.8 | 3.12–14.78 | 46.1–91.6 |
TP | 2.51–12.39 | 0.23–0.35 | 50.6–99.0 | 0.10–0.26 | 67.8–99.9 |
