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Operational parameters in a fixed-bed column for Ni(II) and Cd(II) biosorption by PAB.
| Parameter | Column A | Column B | Column C | |||
|---|---|---|---|---|---|---|
| Ni(II) | Cd(II) | Ni(II) | Cd(II) | Ni(II) | Cd(II) | |
| C/C0 Máx | 0.98 | 0.98 | 0.94 | 0.99 | 0.86 | 0.95 |
| tb (min) | 6.0 | 8.0 | 10.0 | 12.0 | 60 | 80 |
| tx (min) | 300.0 | 60.0 | 320.0 | 80.0 | 400 | 360 |
| Vb (mg/L) | 18.0 | 24.0 | 30.0 | 36.0 | 180 | 240 |
| Vx (mg/L) | 900.0 | 180.0 | 960.0 | 240.0 | 1200 | 1080 |
| δ (cm) | 8.1 | 7.4 | 10.5 | 5.5 | 7.8 | 8.4 |
| %sat | 23.9 | 26.7 | 31.0 | 59.5 | 47.8 | 49.3 |
