Maximum sorption capacities of various biosorbent materials used for the removal of several contaminants.
| Biosorbent | Contaminant | Maximum adsorption capacity (mg g−1) | Ref. |
|---|---|---|---|
| Algae (green algae Ulva lactuca) | Dye (methylene blue) | 40.2 | 189 |
| Algae (brown algae Cystoseira barbatula Kutzing) | Dye (methylene blue) | 38.61 | 190 |
| Fungi (Aspergillus niger) | Heavy metal (Cu2+) | 15.6 | 191 |
| Fungi (Aspergillus niger) | Heavy metal (Pb2+) | 34.4 | 191 |
| Fungi (Aspergillus niger) | Heavy metal (Cr6+) | 6.6 | 191 |
| Bacterial biomass (Bacillus thuringiensis) | Heavy metal (Ni2+) | 45.9 | 192 |
| Chitosan | Acid orange 12 | 973.3 | 183 |
| Chitosan | Acid orange 10 | 922.9 | 183 |
| Chitosan | Acid red 73 | 728.2 | 183 |
| Chitosan | Acid red 18 | 693.2 | 183 |
| Chitosan | Acid green 25 | 645.1 | 183 |