The parameters and correlation coefficients of isotherm models and kinetic models.
| Isotherm models | Parameters | Kinetic models | Constants | Initial concentration (mg L−1) | ||
|---|---|---|---|---|---|---|
| 1 | 10 | |||||
| Langmuir | Q m (mg cm−2) | 0.0029 | Pseudo-first-order | Q e (mg cm−2) | 0.0017 | 0.0062 |
| K L | 1.3263 | k 1 | 0.0659 | 0.0044 | ||
| R 2 | 0.9989 | R 2 | 0.9705 | 0.9083 | ||
| Freundlich | n | 3.0386 | Pseudo-second-order | Q e (mg cm−2) | 0.0019 | 0.0079 |
| K F | 0.0015 | k 2 | 45.0086 | 4.8711 | ||
| R 2 | 0.9370 | R 2 | 0.9762 | 0.9730 | ||
| Intraparticle diffusion | k p,1 | 0.0002 | 0.0004 | |||
| C 1 | 0.0002 | −0.0004 | ||||
| R 2 | 0.9998 | 0.9932 | ||||
| k p,2 | 7 × 10−5 | 0.0002 | ||||
| C 2 | 0.0010 | 0.0010 | ||||
| R 2 | 0.8084 | 0.9398 | ||||