Table 4.
Comparison of the MB removal efficiency of some adsorbents from aqueous solution.
| Adsorbent | C o (mg·L−1) | V o (mL) | m (g) | q m (mg·g−1) | %R | Reference |
|---|---|---|---|---|---|---|
| Fe3O4/SDB nanocomposite | 30.00 | 30.00 | 0.25 | 25.33 | 75.00 | [3] |
| H3PO4-treated Beli biochar | 10.00 | 50.00 | 0.30 | 12.32 | 90.00 | [10] |
| Torrefied-Acacia nilotica biochar | 50.00 | 50.00 | 2.00 | 158.30 | ND | [10] |
| Acacia nilotica biochar | 50.00 | 50.00 | 2.00 | 85.68 | ND | [10] |
| Fe3O4@C core-shell comp | 20.00 | 40.00 | 0.20 | 42.11 | ND | [19] |
| NaOH-treated banana stem | 25.00 | 50.00 | 0.80 | 0.47 | 96.59 | [58] |
| NaOH-treated coffee husk | 37.78 | 50.00 | 0.74 | 200.00 | 93.52 | [65] |
| Fe3O4 nanopowder | 20.00 | 25.00 | 2.00 | 25.54 | 99.69 | [66] |
| Wheat straw-biochar | 100.00 | 10.00 | 0.60 | 12.03 | ND | [67] |
| KOH-activated CHBC | 50.00 | 500.00 | 0.50 | 357.38 | ND | [68] |
| MnOx-CHBNC | 20.00 | 20.00 | 0.20 | 39.52 | 99.26 | This study |
| MnOx-KLBNC | 20.00 | 20.00 | 0.15 | 43.47 | 98.20 | This study |