Table 4.
Comparison of adsorption capacity and reusability of CT-g-PAA-O-ECNFs for MB dye removal with other hydrogel composites.
| Adsorbent |
Qe (mg/g) |
Regeneration Number/Removal Efficiency (%) |
Ref |
|---|---|---|---|
| PVA/PCMC/GO/bentonite | 136.56 | 4/93.4 * | [45] |
| polyacrylamide/cellulose | 326 | - | [46] |
| SA-g-PAA/TiO2 | 2257.36 | 5/91.4 | [47] |
| Chitosan/montmorillonite | 387 | - | [48] |
| XG-cl-PAA/rGO hydrogel | 793.6 | 4/96 | [49] |
| Magnetic Starch/PVA | 23.53 | 8/85 | [50] |
| 3D-GO/CS/β-CD | 1134 | 5/75 | [51] |
| XG-cl-PAA/o-MWCNTs | 521 | 4/74.8 | [52] |
| CT-g-PAA/O-ECNFs | 1095 | 5/99 | This study |
* Recalculated removal efficiency.