Comparison of the adsorption capacities of MB and RhB onto some typical adsorbents.
| Adsorbent | Adsorbate | Maximum adsorption capacity (mg g−1) | Ref. |
|---|---|---|---|
| Graphene oxide/beta zeolite | Rhodamine B | 64.47 | 22 |
| Zeolite | Rhodamine B | 13.22 | 51 |
| Reduced GO/ZnO | Rhodamine B | 32.6 | 52 |
| Beta | Rhodamine B | 27.97 | 22 |
| GB-1 | Rhodamine B | 39.26 | 22 |
| GB-2 | Rhodamine B | 48.47 | 22 |
| GO-zeolite | Rhodamine B | 55.56 | 53 |
| Activated carbon | Rhodamine B | 28.49 | 54 |
| MRGO-4 composite | Rhodamine B | 13.15 | 33 |
| Zeolite | Methylene blue | 21.74 | 51 |
| GO | Methylene blue | 199.2 | 55 |
| Fe3O4/MIL-100 (Fe) | Methylene blue | 49 | 56 |
| MOF-235 | Methylene blue | 187 | 57 |
| MIL-53(Al)–NH2 | Methylene blue | 167 | 58 |
| Cu-BTC | Methylene blue | 4.4 | 59 |
| MIL-101 (Cr) | Methylene blue | 22 | 60 |
| P2W18O62@Fe3O4/MIL-101 (Cr) | Methylene blue | 200 | Present study |
| P2W18O62@Fe3O4/MIL-101 (Cr) | Rhodamine B | 164 | Present study |