Table 3.
Langmuir and Freundlich parameters for the adsorption of BM on the activated carbon produced form the different biomasses.
| Molecule | ACs | Langmuir parameters |
Freundlich parameters |
||||
|---|---|---|---|---|---|---|---|
| qm | KL | R2 | KF | 1/n | R2 | ||
| Methylene blue | Acai | 79.37 | 0.050 | 0.975 | 16.49 | 0.249 | 0.818 |
| Babassu | 348.88 | 0.744 | 0.890 | 98.05 | 0.232 | 0.830 | |
| Brazil nut | 383.33 | 0.018 | 0.948 | 35.62 | 0.018 | 0.994 | |
| Oil palm shell | 223.98 | 0.010 | 0.840 | 6.24 | 0.568 | 0.937 | |
Where = qm: maximum adsorption capacity (mg.g−1); KL: Langmuir Constant (L.mg−1); R2: correlation coefficient; KF: Freundlich constant [(mg. L−1)(L. mg−1)1/n]; 1/n: Freundlich parameter.