Table 5. Analysis of pollution parameters from the effluent of depilating processes of goat skins.
| Parameter | Conventional | Enzymatic | Reduction (%) | |
| BOD5 (mg.l−1) | Bath depilation | 30246 | 19000 | 38 |
| Washing bath after depilation | 9986 | 4174 | 59 | |
| COD (mg.l−1) | Bath depilation | 44160 | 27740 | 48 |
| Washing bath after depilation | 14580 | 6095 | 59 | |
| TSS (mg.ml−1) | 58300 | 13900 | 77 | |
| TKN (mg.l−1) | 10000 | 4100 | 59 | |
| Sulphide (mg.ml−1) | 2680 | – | 100 | |
| Calcium (mg.ml−1) | 4200 | – | 100 | |
| Conductivity (ms.cm−1) | 28 | 17 | 40 | |
| pH | 13 | 6.5 | 50 | |
Results were average of three different sets of experiments.