Table 1 Kinetic model parameters for adsorption of fluoride
Temperatures (°C) | Pseudo-first-order | Pseudo-second-order | Intraparticle diffusion | |||
|---|---|---|---|---|---|---|
K1 (min−1) | R2 | K2 (g mg−1 min−1) | R2 | KI (mg g−1 min−1/2) | R2 | |
15 | 4.028 × 10−2 | 0.9849 | 3.224 × 10−3 | 0.9897 | 0.8722 | 0.8720 |
30 | 3.854 × 10−2 | 0.9875 | 3.684 × 10−3 | 0.9850 | 0.9375 | 0.7978 |
45 | 5.092 × 10−2 | 0.9742 | 5.685 × 10−3 | 0.9923 | 0.9927 | 0.9474 |