Treatment | Sewage | Cu | Cr | Zn | Pb | Selectivity Sequence |
T1 | Sorption | 0.022 | 0.140 | 0.058 | 0.043 | Cr > Zn > Pb > Cu |
Retention | 0.195 | 29.257 | 0.237 | 0.183 | Cr > Cu > Zn > Pb | |
T2 | Sorption | 0.022 | 0.059 | 0.094 | 0.034 | Zn > Cr > Pb > Cu |
Retention | 0.190 | 26.443 | 0.276 | 0.266 | Cr > Zn > Pb > Cu | |
T3 | Sorption | 0.036 | 0.051 | 0.100 | 0.061 | Zn > Pb > Cr > Cu |
Retention | 0.177 | 34.087 | 0.316 | 0.221 | Cr > Zn > Pb > Cu |