Research Article
Study on Adsorption of Cu and Ba from Aqueous Solutions Using Nanoparticles of Origanum (OR) and Lavandula (LV)
Table 2
Adsorption isotherm parameters for the metal ion adsorption onto OR and LV.
| Adsorption isotherm | Parameter | Adsorbent (OR) | Adsorbent (LV) | Cu | Ba | Cu | Ba |
| Langmuir | qm (mg/g) | 28.17 | 27.62 | 31.25 | 25.06 | KL × 103 (L/mg) | 77.8 | 58.80 | 52.84 | 75.53 | RL | 0.56 | 0.63 | 0.65 | 0.57 | R2 | 0.963 | 0.965 | 0.975 | 0.976 |
| Freundlich | KF (mg/g) (L/mg)1/n | 1.74 | 1.35 | 1.40 | 1.50 | n | 1.17 | 1.16 | 1.16 | 1.18 | R2 | 0.983 | 0.988 | 0.994 | 0.982 |
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