Table 1.
Substrate | Components | Crosslinker | Method | Adsorption Capacity | pH | Characterization | Ref. |
---|---|---|---|---|---|---|---|
Si-C=C | MAA | EGDMA | FRP | 35.92 mg/g | 5 | FTIR, SEM, EDX. | [60] |
- | Na-Alg, Acroylinitrile | Glutarldehyde | Condensation | 155 mg/g | 5 | FTIR, SEM, XRD, XPS | [72] |
CMC | Acrylonitrile, SAL, thiourea | Formaldehyde | FRP | 180 mg/g | 5 | FTIR, TGA, SEM | [79] |
Fe3O4 | MAA, SALO, 4-VP, Oleic acid | EGDMA | FRP | 1.01 mg/g | 4 | FT-IR, Raman, SEM | [90] |
Fe3O4 | APS and TEOS | - | Sol-gel | 25.8 µmol/g | 4 | FTIR, XRD, SEM | [92] |
Fe3O4-SiO2 | HEMAA, VI | - | FRP | 146.4 mg/g | 5 | FTIR, SEM, EDX. | [96] |
- | (pyr2en)DMSO 4-VP |
Styrene | FRP | - | 7 | UV-VIS, IR, XRD | [99] |
HQ-APTMS-SI | 4-VP, HEMA | EGDMA | FRP | 97.1 µmol/g | 6 | FTIR, TEM, SEM | [100] |
- | Chitosan and PVA | EGDMA | Condensation | 132 mg/g | 5–6 | FTIR | [101] |
Fe3O4 | Chitosan | Glutaraldehyde | Crosslinking | 187.3 mmol/g | 5 | FTIR, XRD, SEM | [102] |
- | DPTES, P123, TEOS | - | Condensation | 80 mg/g | 5.9 | FTIR, SEM, TEM, ³¹P NMR, TGA | [103] |
HPC | - | - | Carbonization | 503.64 mg/g | 8 | SEM, XRD, XPS, FTIR | [104] |
GR/CPE | IPTP, APTES, TEOS | - | Sol-gel | - | 5 | FTIR, EDS, SEM | [105] |
- | Chitosan | - | Hydrothermal | 408.2 mg/g | 7 | FTIR, EDS, SEM | [106] |
- | Methacrylic acid and triethylamine | EGDMA | FRP | 23.9 mg/g | FTIR, TGA | [107] | |
γ-MPS-Fe3O4 | SALO, 4-VP, MAA | EGDMA | FRP | - | 4.3 | FTIR, SEM | [108] |
- | Salicyaldehyde, p-aminostyrene, | DVB | FRP | 147.8 mg/g | 5 | ¹H and ¹³C NMR, FT-IR, SEM | [109] |
Carbon powder | AQ, ICTMS | - | Sol-gel | - | 5 | SEM | [110] |