Table 2.
Isotherm parameters for the adsorption of Cu(II) on ADP and TADP.
| Isotherm | Temperature, K | |||
|---|---|---|---|---|
| 298 | 308 | 318 | 328 | |
| TADP | ||||
| Langmuir qm (mg/g) KL (L/mg) R2 |
666.67 0.057915 0.9889 |
909.09 0.01449 0.9972 |
1111.11 0.01289 0.9986 |
1428.57 0.01107 0.9932 |
| Freundlich KF (mg/g) (L/mg)1/n n R2 |
19.1134 1.2449 0.9096 |
37.6320 1.2358 0.9253 |
53.6320 1.2858 0.9170 |
57.0176 1.4550 0.9250 |
| ADP | ||||
| Langmuir qm (mg/g) KL (L/mg) R2 |
348.0 0.03275 0.9853 |
625.0 0.07048 0.9901 |
769.2 0.01289 0.9932 |
1111.1 0.03904 0.9891 |
| Freundlich KF (mg/g) (L/mg)1/n n R2 |
18.52 1.0132 0.7192 |
23.43 1.2168 0.8586 |
23.69 1.6211 0.8914 |
48.56 1.7621 0.8979 |