| Adsorption Kinetic Model | Parameter | Cr(VI) |
|
| qe (experimental) (mg/g) | 8.417 |
| Pseudo-first-order | R2 | 0.717 |
| qe (calculated) (mg/g) | 0.509 | |
| K1 (min−1) | 0.074 | |
| Pseudo-second-order | R2 | 1.000 |
| qe (calculated) (mg/g) | 8.446 | |
| K2 (g∙mg−1∙min−1) | 1.460 |