Kinetic model | Parameters | 298 K | R2 |
Pseudo-first-order | qe (mg∙g−1) k1 (min−1) | 0.516 0.0169 | 0.891 |
Pseudo-second-order | qe (mg∙g−1) k2 (g∙mg−1∙min−1) | 0.530 0.186 | 0.999 |
Two-constant | a (mg∙g−1∙min−1) b [(mg∙g−1)−1] | 0.309 0.0904 | 0.970 |
Intra-particle diffusion | I (mg∙g−1) Kid (mg∙g−1∙min−0.5) | 0.3831 0.00794 | 0.899 |
Elovich | α (mg∙g−1∙min−1) β (g∙mg−1) | 33.239 23.981 | 0.974 |