Table 1.
Operational conditions and pollutant removal performance of the full-scale WWTP (The data are collected from 6 months prior to the sampling).
| Unit | T (oC) | DO (mg/L) | MLSS (mg/L) | Influent |
Effluent |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| COD | BOD5 | SS | NH4+-N | TP | COD | BOD5 | SS | NH4+-N | NO2--N | NO3--N | TP | ||||
| (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | (mg/L) | ||||
| Range | 13.2–24.5 | 0.3–7.5 | 3340–5135 | 167–870 | 58.6–435.0 | 90–970 | 27.4–49.3 | 2.8–9.0 | 31.2–46.5 | 2.1–9.0 | 8–19 | 0.2–12.8 | 0–4.4 | 12.6–23.3 | 0.2–1.6 |
| Average | 17.6 | 5.2 | 4246 | 432 | 188.6 | 320 | 39.6 | 5.9 | 39.2 | 5.1 | 12 | 2.3 | 0.1 | 15.8 | 0.7 |
| STD | 3.4 | 1.5 | 432 | 130 | 63.4 | 185 | 4.7 | 1.1 | 3.3 | 1.7 | 1.9 | 2.1 | 0.6 | 2.0 | 0.3 |
T: temperature; MLSS: mixed liquor suspended solid; SS: suspended solids; TP: total phosphorus.