Table 7b.
Effect of different initial concentrations of metal ions on its removal by the dead biomass of Nocardia sp. MORSY2014 at different contact times.
| Time (min) | Metal concentration (mg L−1) |
|||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 |
100 |
200 |
300 |
400 |
500 |
|||||||||||||
| Removal (%) | ||||||||||||||||||
| Ni2+ | Cr6+ | Zn2+ | Ni2+ | Cr6+ | Zn2+ | Ni2+ | Cr6+ | Zn2+ | Ni2+ | Cr6+ | Zn2+ | Ni2+ | Cr6+ | Zn2+ | Ni2+ | Cr6+ | Zn2+ | |
| 10 | 43.51 | 74.3 | 49.6 | 66.7 | 100 | 51.9 | 75.8 | 100 | 63.75 | 83.6 | 100 | 71.4 | 80.7 | 85.0 | 55.3 | 71.0 | 81.3 | 52.0 |
| 30 | 60.47 | 89.5 | 68.3 | 74.4 | 100 | 55.0 | 83.1 | 100 | 76.3 | 93.5 | 100 | 74.0 | 87.3 | 92.8 | 70.1 | 79.5 | 88.5 | 66.8 |
| 60 | 76.8 | 100 | 83.5 | 88.2 | 100 | 70.3 | 92.4 | 100 | 91.27 | 96.5 | 100 | 100 | 90.2 | 99.0 | 84.0 | 83.0 | 97.4 | 80.5 |
| 120 | 82.1 | 100 | 100 | 93.1 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 94.1 | 100 | 97.3 | 89.2 | 100 | 94.3 |
| 180 | 95.5 | 100 | 100 | 98.9 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 96.8 | 100 | 100 | 92.6 | 100 | 100 |
| 240 | 99.3 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 97.9 | 100 | 100 | 94.9 | 100 | 100 |
| 300 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 360 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 420 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 1440 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |