Table 4. Isotherm models for adsorption of ARS and SMX by ZnFe2O4/BAC at 25 °C.
| Isotherm model | ARS (single) | SMX (single) | ARS (binary) | SMX (binary) |
|---|---|---|---|---|
| Langmuir | ||||
| Q m (mg g−1) | 51.337 ± 0.320 | 69.284 ± 0.847 | 50.237 ± 0.003 | 67.635 ± 0.989 |
| k L (L mg−1) | 3.112 ± 0.949 | 2.453 ± 0.832 | 71.124 ± 2.837 | 0.712 ± 0.063 |
| R L | 0.0047 ± 0.001 | 0.0063 ± 0.003 | 0.0002 ± 0.001 | 0.019 ± 0.002 |
| MRE | 2.407 ± 0.044 | 5.2688 ± 0.849 | 4.625 ± 0.004 | 7.283 ± 1.005 |
| (Radj)2 | 0.907 ± 0.002 | 0.874 ± 0.063 | 0.903 ± 0.001 | 0.802 ± 0.034 |
| Freundlich | ||||
| k F | 40.132 ± 0.471 | 43.210 ± 1.827 | 40.132 ± 0.471 | 37.075 ± 0.962 |
| n −1 | 0.069 ± 0.003 | 0.143 ± 0.017 | 0.069 ± 0.003 | 0.166 ± 0.014 |
| MRE | 3.231 ± 0.330 | 12.109 ± 0.821 | 3.231 ± 0.330 | 4.166 ± 0.554 |
| (Radj)2 | 0.823 ± 0.033 | 0.890 ± 0.041 | 0.823 ± 0.033 | 0.916 ± 0.045 |