Table 5 Adsorption capacity of chitosan-clinoptilolite and chitosan-saponite composites compared to a pure minerals
Ion | Adsorption capacity, mmol/g | |||
---|---|---|---|---|
Partially crosslinked chitosan-clinoptilolite composite | Clinoptilolite | Partially crosslinked chitosan-saponite composite | Saponite | |
Zn(II) | 0.049 | 0.048 | 0.049 | 0.050 |
Cu(II) | 0.115 | 0.113 | 0.131 | 0.129 |
Cd(II) | 0.107 | 0.114 | 0.09 | 0.14 |
Pb(II) | 0.013 | 0.012 | 0.014 | 0.014 |
Fe(III) | 0.26 | 0.26 | 0.26 | 0.26 |