| Parameters | MnO2-PVA/PAA | PVA/PAA |
| Langmuir | ||
| qmax (mg/g) | 398.85 | 58.51 |
| b (L/mol) | 0.004 | 0.032 |
| R2 | 0.995 | 0.983 |
| Freundlich | ||
| KF (mol1−n∙Ln/g) | 23.01 | 8.91 |
| 1/n | 0.46 | 0.38 |
| R2 | 0.935 | 0.919 |