| Time (h) | COD (mg/L) | Ammonia-N (mg/L) | Nitrate-N (mg/L) | Total N (mg/L) |
| 0 | 1300 | 80 | 53 | 277 |
| 2 | 900 | 159 | 52 | 293 |
| 4 | 1000 | 158 | 48 | 300 |
| 7.5 | 833 | 169 | 43 | 300 |
| 10 | 600 | 151 | 30 | 275 |
| 21.5 | 633 | 150 | 30 | 242 |
| 25 | 500 | 148 | 25 | 250 |
| 29 | 350 | 144 | 30 | 258 |
| 40 | 370 | 145 | 36 | 265 |
| 50 | 386 | 147 | 35 | 268 |