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Parameters of Langmuir adsorption isotherms.
| Heavy metals | Temperature (°C) | qm (mg g−1) | b (L mg−1) × 10−3 | R 2 |
|---|---|---|---|---|
| Pb2+ | 20 | 714.29 | 8.71 | 0.97 |
| 30 | 666.67 | 9.01 | 0.97 | |
| 40 | 625.00 | 9.07 | 0.98 | |
| Cd2+ | 20 | 104.17 | 20.16 | 0.96 |
| 30 | 97.09 | 21.03 | 0.96 | |
| 40 | 92.59 | 21.80 | 0.96 | |
| Ni2+ | 20 | 51.28 | 34.20 | 0.96 |
| 30 | 48.08 | 35.48 | 0.94 | |
| 40 | 45.05 | 36.53 | 0.97 |
