Table 5.
Effect of different initial heavy metals concentrations on the efficiency of bioremoval process by live biomass of Aspergillus sp. AHM69 at various contact times.
| Time (min) | Concentration of heavy metal (mg/L) |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 |
100 |
200 |
300 |
400 |
500 |
|||||||
| Removal (%) | ||||||||||||
| Fe3+ | Co2+ | Fe3+ | Co2+ | Fe3+ | Co2+ | Fe3+ | Co2+ | Fe3+ | Co2+ | Fe3+ | Co2+ | |
| 10 | 100.0 | 60.13 | 88.25 | 44.60 | 61.10 | 40.30 | 65.20 | 30.70 | 58.32 | 20.41 | 40.03 | 13.78 |
| 30 | 100.0 | 76.45 | 100.0 | 57.35 | 90.00 | 51.66 | 81.38 | 42.52 | 70.49 | 31.00 | 58.40 | 25.50 |
| 60 | 100.0 | 89.58 | 100.0 | 72.20 | 100.0 | 68.92 | 100.0 | 59.13 | 88.61 | 46.18 | 70.81 | 39.24 |
| 120 | 100.0 | 100.0 | 100.0 | 86.95 | 100.0 | 83.50 | 100.0 | 70.32 | 100.0 | 58.33 | 93.10 | 50.74 |
| 180 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 95.63 | 100.0 | 91.15 | 100.0 | 86.19 | 100.0 | 73.11 |
| 240 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 99.21 | 100.0 | 90.68 | 100.0 | 80.71 | 100.0 | 66.23 |
| 300 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 90.21 | 100.0 | 80.50 | 100.0 | 60.51 |
| 360 | 100.0 | 100.0 | 100.0 | 90.17 | 100.0 | 84.22 | 100.0 | 75.10 | 100.0 | 72.50 | 100.0 | 53.23 |
| 420 | 100.0 | 98.28 | 100.0 | 84.55 | 100.0 | 70.16 | 100.0 | 62.35 | 100.0 | 59.06 | 100.0 | 40.35 |
| 1440 | 100.0 | 90.00 | 100.0 | 76.42 | 100.0 | 63.14 | 100.0 | 50.21 | 100.0 | 30.00 | 100.0 | 23.14 |