Parameters | Influent | Pre-Treatment. | Outlet 1st & 2nd Treatment. | Outlet FHa | Outlet FHb |
T (◦C) | 26.3 ± 1.5 | 27.1 ± 0.8 | 26.15 ± 0.55 | 24.8 ± 1.0 | 24.7 ± 1.4 |
EC (mS/cm) | 1331 ± 170 | 1420 ± 129 | 974.5 ± 211.5 | 1056 ± 115 | 1049 ± 142 |
pH | 7.7 ± 0.2 | 7.5 ± 0.1 | 5.75 ± 0.4 | 8.0 ± 0.2 | 8.0 ± 0.2 |
SS (mg/L) | 718.9 ± 291 | 388.8 ± 59 | 12.8 ± 4.25 | 9.6 ± 6.4 | 5.7 ± 2.3 |
BOD5 (mg/L) | 655.6 ± 106 | 495.5 ± 85 | 2.35 ± 1.65 | 3.8 ± 2.7 | 2.3 ± 1.1 |
COD (mg/L) | 1240 ± 589 | 1063 ± 293 | 88.1 ± 37.5 | 79.8 ± 39 | 71.3 ± 33 |
N-TN (mg/L) | 188 ± 82 | 138.2 ± 29 | 37.95 ± 19.0 | 24.4 ± 6.5 | 23.0 ± 9.0 |
(mg/L) | 130.9 ± 68 | 99.8 ± 21 | 4.15 ± 2.25 | 4.1 ± 2.4 | 3.4 ± 2.9 |
(mg/L) | 4.3 ± 2.5 | 2.7 ± 1.3 | 30.6 ± 11.5 | 11.1 ± 3.1 | 12.5 ± 4.7 |
(mg/L) | 70.9 ± 43 | 68.7 ± 39 | 13.8 ± 5.0 | 5.5 ± 4.1 | 2.1 ± 1.2 |