Table 3. Comparison of the Adsorption Capacities of Different Adsorbents for MB Previously Reported with That of DDAB-BC.
| adsorbent | adsorption capacity (mg/g) | pH | reference |
|---|---|---|---|
| Kaolin | 99.90 | 9.0 | (72) |
| heteroatom-codoped porous carbon | 100.2 | (73) | |
| cross-linked chitosan/bentonite composite | 142.9 | 11.0 | (74) |
| α-Fe2O3@yeast composite | 112.7 | 6.0 | (75) |
| H2SO4 cross-linked magnetic chitosan nanocomposite beads | 20.41 | 6.0 | (76) |
| Fe3O4 activated montmorillonite nanocomposite | 106.4 | 7.4 | (77) |
| C, N-doped MnO | 154.0 | 9.0 | (78) |
| Fe3O4-CTMAC/SEIA-Mt | 246.0 | (79) | |
| DDAB-BC | 163.0 | 7.0 | this study |