Table 3 The kinetic model constants and correlation coefficients for Zn(II) adsorption onto bentonite and clay
From: Adsorption performance of bentonite and clay for Zn(II) in landfill leachate
Adsorbent | Pseudo first–second model | Intra-particle diffusion model | Elovih model | ||||||
|---|---|---|---|---|---|---|---|---|---|
qe | K2 | R2 | Kint | C | R2 | α | β | R2 | |
mg/g | g/(mg min) | mg/(g−1/min−0.5) | |||||||
Bentonite | 7.987 | 0.224 | 0.999 | 0.037 | 7.572 | 0.906 | 7.982 × 1016 | 5.673 | 0.999 |
Clay | 5.376 | 0.074 | 0.999 | 0.101 | 4.15 | 0.926 | 6.338 × 105 | 3.731 | 0.994 |