Parameters for the Langmuir and Freundlich adsorption isotherm models.
| Adsorption isothermal model | q e,exp | Langmuir adsorption isotherm | Freundlich adsorption isotherm | ||||
|---|---|---|---|---|---|---|---|
| K L | q m | R L 2 | K F | n | R F 2 | ||
| Fe3O4@void@IIP-Ni(ii) | 44.64 | 23.97 | 50.85 | 0.9982 | 10.61 | 3.513 | 0.8830 |
| Fe3O4@void@NIP-Ni(ii) | 39.75 | 22.01 | 44.90 | 0.9973 | 9.977 | 3.627 | 0.8657 |
| Fe3O4@SiO2@IIP-Ni(ii) | 36.05 | 19.42 | 39.95 | 0.9988 | 10.64 | 4.137 | 0.8892 |
| Fe3O4@SiO2@NIP-Ni(ii) | 31.37 | 20.58 | 34.84 | 0.9965 | 8.893 | 4.020 | 0.8837 |