Table 2.
Performance of some polymer nanocomposites in metal ion removal.
| Polymer Nanocomposite | Metal Ion | Results | Ref. |
|---|---|---|---|
| Polyaniline/Reduced graphene oxide nanocomposite | Hg(II) | The adsorption capacity was 1000.00 mg/g | [117] |
| Fe3O4/starch/Poly(acrylic acid) nanocomposite hydrogel | Cu(II) Pb (II) |
95.4% of Cu(II) and 88.4% of Pb(II) were removed at pH of 6.0 and 5.5 | [103] |
| Graphene oxide/Chitosan/ Ferrite nanocomposite |
Cr (VI) | The adsorption capacity for Cr(VI) was 270.27 mg g−1 at pH of 2.0. | [118] |
| Magnetic chitosan/Functionalized 3D graphene nanocomposite | Pb (II) | The efficiency of Pb(II) removal is 100% at pH of 8.5 within 18 min | [119] |
| Bacterial cellulose/Amorphous TiO2 nanocomposite | Pb(II) | A total of 90% of Pb(II) was removed in 120 min at pH 7 | [120] |
| Cellulose/TiO2 nanocomposite | Zn(II) Cd(II) Pb(II) |
Maximum adsorption capacity for Zn(II), Cd(II) and Pb(II) was 102.04, 102.05 and 120.48 mg/g | [121] |
| Polyacrylamide/Sodium Montmorillonite nanocomposite |
Ni (II) Co (II) |
A total of 99.3% of Ni(II) and 98.7% of Co (II) was removed at pH 6. | [122] |
| Polyacrylamide/Bentonite hydrogel nanocomposite | Pb (II) Cd (II) |
More than 95% of Pb (II) and Cd (II) were removed within first 20 min. Maximum adsorption capacity for Pb (II) and Cd (II) was 138.33 and 200.41 mg/g. | [123] |
| Modified mesoporous silica/Poly(methyl methacrylate) nanocomposites | Cu (II) | Maximum adsorption capacity for Cu (II) was 41.5 mg/g at pH 4 and 140 min | [124] |
| Xanthan gum grafted Polyaniline/ZnO nanocomposite |
Cr(VI) | Maximum adsorption capacity was 346.18 mg g–1 for Cr(VI) | [125] |