Research Article
Performance Optimization of Chemical and Green Coagulants in Tannery Wastewater Treatment: A Response Surface Methodology Approach
Table 2
Characteristics of vegetable tannery wastewater.
| Parameters | SI unit | Values | Ghana EPA [31] |
| pH | — | 6.29 ± 0.35 | 6.0–9.0 | Colour | Pt-Co | 22400 ± 5931.86 | 100 | TSS | mg/L | 3441.25 ± 621.63 | 50 | Turbidity | NTU | 1380 ± 399.53 | 75 | COD | mg/L | 24928 ± 327.26 | 250 | BOD5 | mg/L | 2639 ± 25.56 | 50 | BOD5: COD | — | 0.11 ± 0.01 | — | TN-N | mg/L | 36.70 ± 5.45 | 50 | Cl− | mg/L | 722 ± 56 | — |
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