Table 2 Parameters of kinetic models obtained using CV for adsorption of Cr(VI) on C + G beads
Kinetic model | k1 (h−1) | k2 (mg g−1 h−1) | k1,2 (h−1) | qe (mg g−1) | f2 | R2 |
|---|---|---|---|---|---|---|
Pseudo first order | 0.191 ± 0.029 | 17.36 | 0.9362 | |||
Pseudo second order | 0.021 ± 0.002 | 17.36 | 0.9909 | |||
Pseudo mixed order | 0.008 ± 0.0005 | 17.36 | 0.97 | 0.9814 |