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Characterization of tannery wastewater used in the experiment.
| Parameters | Tanneries wastewater | Parameters | Tanneries wastewater |
| DO (mg/L) | 2.65 | Pb (mg/L) | 0.1815 |
| TDS (mg/L) | 21,100 | Cu (mg/L) | 0.4211 |
| TSS (mg/L) | 1,243 | Fe (mg/L) | 14.654 |
| BOD (mg/L) | 4,404 | Na (mg/L) | 12,002 |
| EC (μS/cm) | 43,200 | Cr (mg/L) | 11.122 |
| COD (mg/L) | 12,670 | Cd (mg/L) | 0.0031 |
| pH | 8.4 | Zn (mg/L) | 1.4753 |
| Cl- (mg/L) | 13.5 | Ni (mg/L) | 0.1525 |
