Table 2.
Physicochemical characteristics of sewage waste water before and after treatment with purified bioflocculant
| Parameter | BT | AT |
|---|---|---|
| pH | 7.73 ± 0.24 | 7.88 ± 0.56 |
| Turbidity (NTU) | 128 ± 1.12 | 24.0 ± 0.84 |
| SS (mgL-1) | 201 ± 1.40 | 89.0 ± 1.23 |
| Nitrate (mgL-1) | 8.40 ± 0.27 | 2.40 ± 0.72 |
| COD (mgL-1) | 1360 ± 1.74 | 467 ± 1.32 |
| BOD (mgL-1) | 49.20 ± 0.18 | 17.92 ± 0.64 |
Values are expressed as means ± standard deviation of triplicate determinations
NTU Nephelometric turbidity units
COD Chemical oxygen demand
BOD Biological oxygen demand
SS Suspended solids
BT Before treatment
AT After treatment