Table 4.
Comparison of dye adsorption capacity of hierarchical porous carbon prepared in this work and other adsorbents reported in the literature.
| Adsorbent | Dyes | T (°C) | BET (m2/g) | Qm (mg/g) | Reference |
|---|---|---|---|---|---|
| Mesoporous activated carbon |
MB | 30 | 1135 | 359 | [44] |
| Activated carbon | MB | 30~50 | 1940 | 434.78 | [45] |
| Activated carbon | MB | 30~50 | 1060 | 102.04 | [3] |
| Activated carbon | MG | 25~50 | 1000 | 149 | [46] |
| Porous carbon | RB | - | 2721 | 479 | [47] |
| Hierarchical porous carbon materials | MB/DB | 25 | 1913 | 1585.7/438.6 | [48] |
| Hierarchical porous carbon materials | MO | 25 | 1338.9 | 598.8 | [49] |
| Hierarchical porous carbon materials | MB/MO | 25 | 1078 | 506.8/683.8 | This work |
BET: Brunauere Emmette Teller, RB: Rhodamine B, DB: Direct black 38, MG: Malachite green.