Table 5.
Kinetic parameters of the Pseudo first order, Pseudo Second-order and intraparticle diffusion model.
| Heavy Metal ions | Pseudo First Order Kinetics model |
Pseudo Second Order Kinetics model |
Intraparticle diffusion model |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Qe(exp) (mg/g) |
Qe(cal) (mg/g) |
K1 (g/mg min) |
R2 | Qe(cal) (mg/g) |
K2 (g/mg min) |
R2 | Qe(cal) (mg/g) |
Kd (g/mg min) |
R2 | |
| Copper | 16.659 | 5.370 | 0.00021 | 0.869 | 16.892 | 0.011 | 0.999 | 16.4789 | 0.2033 | 0.8189 |
| Lead | 16.953 | 0.355 | 0.000193 | 0.988 | 16.949 | 0.204 | 1.000 | 16.9298 | 0.0146 | 0.7654 |
| Zinc | 15.527 | 8.236 | 0.000384 | 0.637 | 16.103 | 0.007 | 0.997 | 15.4526 | 0.3181 | 0.5164 |