Table 3.
Kinetic parameters for the removal of halosulfuron methyl using NSP.
| Model | Parameter | Linear | Non linear |
|---|---|---|---|
| qe, experimental (mg g−1) | 62.88 | 62.88 | |
| Pseudo first order | qe, cal (mg g−1) | 83.29 | 83.255 |
| K1 (min−1) | 0.069 | 0.021 | |
| χ2 | – | 50.205 | |
| R2 | 0.6726 | 1.000 | |
| Pseudo second order | qe, cal (mg g−1) | 70.422 | 54.859 |
| K2 (g mg−1 min−1) | 0.00131 | 0.050 | |
| χ2 | – | 7.694 | |
| R2 | 0.9908 | 1.000 | |
| Elovich | α (mgg−1 min−1) | 33.953 | 33.958 |
| β (g mg−1) | 0.0884 | 5.911 | |
| χ2 | – | 2.361 | |
| R2 | 0.9526 | 1.000 | |
| Intraparticle diffusion | Kip | 4.064 | 3.875 |
| I | 27.085 | 27.085 | |
| χ2 | – | 0.353 | |
| R2 | 0.9842 | 1.000 | |
| Liquid film diffusion | Kfd (min−1) | 0.0691 | – |
| Intercept | − 0.2811 | – | |
| R2 | 0.6726 | – |