Table 3.
Constants for adsorption isotherm models.
| Temperature (K) | Qexp (mg g-1) | Langmuir model | Freundlich model | DKR model | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| kl (L mg−1) | Qm,cal (mg g−1) | R2 | kf ((L mg−1)1/n mg g−1) | n | R2 | Qm,cal (mg g−1) | Β (mol2 J−2) | E (kJ mol−1) | R2 | ||
| 288.15 | 10.58 | 0.062 | 12.55 | 0.996 | 1.62 | 2.30 | 0.982 | 26.31 | − 5.84 × 10–9 | 9.249 | 0.997 |
| 298.15 | 9.02 | 0.057 | 10.56 | 0.996 | 1.29 | 2.26 | 0.980 | 22.84 | − 5.70 × 10–9 | 9.363 | 0.997 |
| 308.15 | 7.22 | 0.052 | 8.57 | 0.996 | 0.97 | 2.20 | 0.979 | 18.81 | − 5.54 × 10–9 | 9.500 | 0.997 |