Parameters of the isotherm models for Pb(ii) adsorption on different MH particles.
| Sample | Langmuir model | Freundlich model | ||||
|---|---|---|---|---|---|---|
| q m (mg g−1) | k L (L mg−1) | R 2 | 1/n | k F (mg g−1) | R 2 | |
| FGMH | 2612 | 0.0977 | 0.9989 | 0.1643 | 1075 | 0.9941 |
| HPMH | 1431 | 0.0195 | 0.9960 | 0.3452 | 394 | 0.9699 |