Isotherm model | Parameters | Cu2+ ion | Pb2+ ion |
Langmuir | K (L/mg) qm (mg/g) R2 | 0.0737 157.3 0.9686 | 0.0962 153.5 0.9763 |
Freudlich | Kf (mg/g) n R2 | 38.05 3.6 0.8032 | 41.1 3.74 0.9675 |