Table 7a.
Effect of different initial concentrations of metal ions on its removal by the dead biomass of Nocardiopsis sp. MORSY1948 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 | 77.2 | 35.2 | 65.1 | 100 | 51.2 | 100 | 100 | 64.6 | 100 | 87.9 | 70.8 | 90.2 | 83.32 | 88.4 | 89.8 | 75.1 | 75.8 | 85.5 |
| 30 | 82.9 | 48.4 | 73.5 | 100 | 67.4 | 100 | 100 | 70.9 | 100 | 100 | 82.0 | 100 | 94.7 | 96.2 | 97.4 | 84.9 | 86.9 | 89.2 |
| 60 | 92.5 | 69.7 | 85.9 | 100 | 79.0 | 100 | 100 | 83.0 | 100 | 100 | 90.5 | 100 | 100 | 100 | 100 | 100 | 90.0 | 94.6 |
| 120 | 100 | 76.1 | 100 | 100 | 87.2 | 100 | 100 | 92.5 | 100 | 100 | 98.3 | 100 | 100 | 100 | 100 | 100 | 95.5 | 99.0 |
| 180 | 100 | 89.3 | 100 | 100 | 95.8 | 100 | 100 | 99.0 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| 240 | 100 | 97.5 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 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 |