Table 1.
Physicochemical parameters of the textile dyeing industry effluent before and after treatmentwith Neochloris sp.
| S. number | Parameter and heavy metals | Experimental value textile dyeing industry effluent | |
|---|---|---|---|
| Untreated with Neochloris sp. | Treated with Neochloris sp. | ||
| 1. | pH | 10.3 | 7.9 |
| 2. | Total dissolved solids | 3240 (ppm) | 990 (ppm) |
| 3. | Total suspended solids | 804 (ppm) | 236 (ppm) |
| 5. | Total hardness | 1992 (ppm) | 581 (ppm) |
| 6. | Total alkalinity | 1025 (ppm) | 193 (ppm) |
| 8. | Dissolved oxygen | 13.2 (ppm) | 19.7 (ppm) |
| 9. | BOD | 923 (ppm) | 225 (ppm) |
| 10. | COD | 5680 (ppm) | 1962 (ppm) |
| 11. | Pb | 0.002 (ppm) | 0.001 (ppm) |
| 12. | Cr | 0.005 (ppm) | 0.005 (ppm) |
| 13. | Ni | 0.001 (ppm) | 0.001 (ppm) |
| 14. | Zn | 0.006 (ppm) | 0.006 (ppm) |
| 15. | Cd | 0.000 (ppm) | 0.000 (ppm) |
| 16. | Cu | 0.000 (ppm) | 0.000 (ppm) |
| 17. | Al | 0.000 (ppm) | 0.000 (ppm) |
| 18. | Hg | 0.000 (ppm) | 0.000 (ppm) |