Maximum adsorption capacity of AL-PTAP and other reported adsorbents.
| Adsorbent | pH (°C) | Q m (mg g−1) | Ref. |
|---|---|---|---|
| PHN | 3 | 454.55 | 48 |
| ZIF-8@PDA/PAN fibers | — | 212.7 | 49 |
| A series of micro–mesoporous activated carbons (ACs) | 4.5 | 163.7 | 50 |
| PEI-lignin particles | 2 | 657.9 | 51 |
| Fe3O4@mesoPDA | 1.5 | 574.71 | 52 |
| Lignin/GO composite nanospheres (LGNs) | 2 | 368.78 | 53 |
| Polydopamine microsphere (PDA-sphere) | 3.8 | 200.2 | 54 |
| Fluorescent lignin-based hydrogel | 2 | 599.9 | 46 |
| Cross-linked PEI | 2 | 898.2 | 55 |
| MoS2@C-PAMA | — | 800.0 | 56 |
| AL-PTAP | 2 | 769.2 | Present study |