Table 2.
Organic and nutrient removal and decolorization of each cycle during FBR operation.
| Harvesting Cycles | Initial concentration |
Final concentration |
Removal Efficiency |
Decolorization efficiency | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| COD | TN | TP | COD | TN | TP | COD | TN | TP | ||
| g/L | mg/L | mg/L | g/L | mg/L | mg/L | % | % | % | % | |
| 1st (30 days) | 3.24 ± 0.1 | 252 ± 1.2 | 93 ± 0.6 | 1.46 ± 0.1 | 0 | 0 | 54.9 ± 2.0 | 100 | 100 | 68.0 |
| 2nd (22 days) | 3.66 ± 0.1 | 194.8 ± 2.3 | 53 ± 1.3 | 1.76 ± 0.1 | 56.8 ± 0.9 | 1 ± 0.3 | 51.9 ± 1.5 | 70.8 ± 1.6 | 98.1 ± 0.6 | 68.6 |
| 3rd (20 days) | 3.28 ± 0.1 | 264 ± 2.5 | 32 ± 0.8 | 0.96 ± 0.1 | 1 ± 0.7 | 0 | 70.7 ± 0.8 | 99.6 ± 0.3 | 100 | 70.1 |
| 4th (13 days) | 4.16 ± 0.1 | 284 ± 1.8 | 36 ± 0.6 | 2.08 ± 0.2 | 47 ± 1.2 | 2 ± 0.5 | 50 ± 1.4 | 83.4 ± 1.4 | 94.4 ± 0.5 | 71.6 |
| 5th (10 days) | 4.24 ± 0.2 | 276 ± 1.4 | 35 ± 0.9 | 2.12 ± 0.1 | 51 ± 0.08 | 4 ± 0.2 | 50.2 ± 0.9 | 81.5 ± 0.9 | 88.5 ± 0.5 | 72.0 |