Common crosslinking agents and properties of preparation materialsa.
| Adsorbents | Crosslinker | Average size (nm) | BET surface area (m2 g−1) | Saturation magnetization (emu g−1) | References |
|---|---|---|---|---|---|
| ZMChi/PVA | Glutaraldehyde | — | 75.5 | 22 | 72 |
| Bismuth ferrite/Biochar coupled magnetic material | Glutaraldehyde | — | 6.78 | 0.95 | 73 |
| CS/IO | Sodium tripolyphosphate (TPP) | 3.9 | — | 14.5 | 63 |
| mLCSCar0.2 | κ-Carrageenan | 16.7 | — | 29.1 | 74 |
| CS-G/ZnO/Fe3O4 NPs | Glyoxal | 7.3 | 10.706 | 23.37 | 75 |
| Mag@PIA-g-CS | 3-Trimethoxysilyl propylmethacrylate | — | — | 51.9 | 76 |
| CCMD | 3-Aminopropyl trimethoxysilane | 13–19 | — | — | 77 |
a
Abbreviations: ZMChi/PVA:ZnO-coated MChi/PVA (ZMChi/PVA) microspheres; CS/IO: chitosan/iron oxide nanocomposites; mLCSCar0.2: ionically crosslinked magnetic chitosan/κ-carrageenan bioadsorbents; CS-G/ZnO/Fe3O4NPs: magnetically crosslinked chitosan-glyoxal/ZnO/Fe3O4 nanoparticles; Mag@PIA-g-CS: poly(itaconic acid-g-chitosan)-coated magnetic flocculant; CCMD: carboxymethyl chitosan-modified magnetic-cored dendrimers.