Table 5. Comparison of Phenol Removal Capacity by AC Derived from Various Biomass Resources.
| starting material | maximum adsorption capacity (mg g–1) | initial concentration (mg L–1) | T (°C) | adsorbent dosage (g L–1) | BET surface area (m2 g–1) | reference |
|---|---|---|---|---|---|---|
| black wattle bark waste | 98.6 | 500 | 55 | 1 | 414 | (58) |
| corn husk | 7.8 | 30 | 25 | 2 | (114) | |
| oil-palm shell | 168 | 200 | 30 | 0.17 | 988 | (115) |
| rice husk | 194.24 | 500 | 25 | 2 | 2087 | (59) |
| Borassus flabellifer fruit husk | 5.94 | 10 | 1.6 | 1389 | (116) | |
| tea residue | 320 | 1400 | 30 | 1 | 819 | (117) |
| rice husk | 201 | 500 | 25 | 2 | 2138 | (118) |
| food waste | 568 | 500 | 25 | 0.2 | 745 | this work |