Table 2 Langmuir, Freundlich, and Temkin constants at 30 and 15 °C
Temperature (°C) | Adsorption isotherm model | |||
|---|---|---|---|---|
| Â | Langmuir isotherm | Â | ||
|  | Q max | b (Lmg−1) | R 2 |  |
30 | 2000 | 0.0208 | 0.995 | Â |
15 | 2000 | 0.0135 | 0.983 | Â |
| Â | Freundlich isotherm | Â | ||
| Â | n | K f | R 2 | Â |
30 | 3.0184 | 10.676 | 0.832 | Â |
15 | 2.5953 | 9.1211 | 0.7152 | Â |
| Â | Temkin isotherm | |||
|  | A T (Lg−1) | b T | B (Jmol−1) | R 2 |
30 | 3.9439 | 7.255 | 347.40 | 0.869 |
15 | 7.1340 | 6.065 | 395.00 | 0.794 |