Langmuir and Freundlich model parameters for Pb2+ adsorption on CMBC.
| Isotherm parameters | 298 K | 308 K | 318 K | |
|---|---|---|---|---|
| Langmuir | Q 0 (mg g−1) | 50.5 | 103 | 134 |
| b | 0.0791 | 0.0149 | 0.0113 | |
| R 2 | 0.996 | 0.994 | 0.988 | |
| Freundlich | K f (mg g−1) | 13.5 | 6.58 | 6.33 |
| n | 3.82 | 2.09 | 1.93 | |
| R 2 | 0.999 | 0.996 | 0.994 | |