Table 1.
Parameters of the influent and effluent of all SBRs at different SRTs.
| Parameter | Unit | Value | ||||
|---|---|---|---|---|---|---|
| SRT | d | 5 | 10 | 20 | 40 | |
| CODin | mg/L | 399.3 ± 20.6 | ||||
| NH4-Nin | mg/L | 40.6 ± 1.4 | ||||
| PO4-Pin | mg/L | 8.4 ± 0.8 | ||||
| CODeff | mg/L | 20.1 ± 3.4 | 17.5 ± 3.5 | 13.6 ± 2.6 | 18.5 ± 4.7 | |
| TNeff | mg/L | 9.2 ± 1.8 | 11.3 ± 1.6 | 11.2 ± 1.7 | 11.7 ± 0.6 | |
| TPeff | mg/L | 3.6 ± 1.5 | 3.7 ± 0.6 | 3.7 ± 1.1 | 3.1 ± 0.9 | |
| NH4-Neff | mg/L | 0.2 ± 0.1 | 0.1 ± 0.1 | 0.1 ± 0.1 | 0 | |
| NO3-Neff | mg/L | 5.9 ± 0.9 | 6.7 ± 1.6 | 6.8 ± 0.7 | 8.9 ± 0.9 | |
| NO2-Neff | mg/L | 2.6 ± 1 | 0 | 0 | 0 | |
| PO4-Peff | mg/L | 2.0 ± 0.8 | 2.6 ± 1.3 | 1.9 ± 0.8 | 1.8 ± 0.5 | |
| SS | mg/L | 20.3 ± 4.3 | 19.3 ± 6.7 | 17.6 ± 5.4 | 19.1 ± 4.9 | |
| SMP | TOC | mg/L | 7.8 ± 0.6 | 13.3 ± 1.8 | 12 ± 3.7 | 9 ± 1.7 |
| Protein | mg/L | 5.44 | 6.44 | 4.19 | 4.19 | |
| UVA254 | 1/cm | 0.08 | 0.07 | 0.07 | 0.06 | |