Table 2 Removal efficiency of membranes for heavy metals at different concentrations.
Metals | Membrane | Removal efficiency for each metal at different concentrations (%) | Removal efficiency (%) of prepared membrane from FCB at a concentration of 30Â mg/L (containing 10Â mg/L of Pb and 10Â mg/L of Cd and 10Â mg/L of Cr) | |||
---|---|---|---|---|---|---|
10Â mg/L | 20Â mg/L | 30Â mg/L | 50Â mg/L | |||
Pb | UCF | 89.3 | 87.9 | 86.4 | 84.7 | 84.1 |
FCB | 85.2 | 84.3 | 83.1 | 82.2 | ||
Cd | UCF | 87.6 | 87.1 | 86.4 | 83.2 | 83.9 |
FCB | 85.3 | 84.5 | 83.3 | 80.7 | ||
Cr | UCF | 91.3 | 90.1 | 89.2 | 88.1 | 86.5 |
FCB | 88.4 | 87.1 | 85.9 | 85.1 |