Comparison of cationic dyes adsorption onto different adsorbents.
| Adsorbents | Adsorption capacity to cationic dyes (mg g−1) | Ref. | |||
|---|---|---|---|---|---|
| POM@UiO-66 | Rhodamine B | 222.6 | Malachite green | 190.6 | 42 |
| UiO-66-NH2 | Methylene blue | 96.45 | — | — | 45 |
| N-doping UiO-66 | Rhodamine B | 384.1 | — | — | 46 |
| Zn-MOF | Rhodamine B | 2.977 | Methylene blue | 6.394 | 47 |
| PCN-222 | Methylene blue | 589 | — | — | 48 |
| Sulfonate lignin-based hydrogels (SLG) | Methylene blue | 495 | — | — | 49 |
| Cationic-modified silica gel (CM-SG) | Reactive black 5 | 190.0 | Reactive red 239 | 178.2 | 50 |
| CuO/MCM-41 nano composite | Crystal violet | 52.9 | Methylene blue | 87.8 | 51 |
| Ce-doped UiO-67 | Rhodamine B | 754.4 | Malachite green | 589.2 | Current work |