Table 3 Parameters of isotherm models obtained using CV at 298 K for adsorption of Cr(VI) on C + G beads
Isotherm model | qm (mg g−1) | KML | KF (L g−1) | n | KMLF | nMLF | R2 |
|---|---|---|---|---|---|---|---|
Modified Langmuir | 28.65 | 110.1 ± 5.3 | 0.9854 | ||||
Freundlich | 15.54 ± 0.45 | 5.4 | 0.8422 | ||||
Modified Langmuir–Freundlich | 28.65 | 73.71 ± 2.36 | 4.5 | 0.7408 |