Review Article
Study of Modern Nano Enhanced Techniques for Removal of Dyes and Metals
Table 3
Removal of heavy metals by surface stabilized nanomaterials (NMs).
| | Stabilized nanomaterials (NMs) | Heavy metals | Maximum removal %/mg L−/emu g− | References |
| | Starch stabilizer Fe0 nanoparticles | Cr(VI) | — | [97] | | Mesoporous gamma-Fe2O3 nanoparticles | Cr(VI) | — | [99] | | Montmorillonite-supported magnetite nanoparticles | — | — | [100] | | Bentonite-supported nanoscale zerovalent iron (B-nZVI) | Cr(VI), Pb(II), and Cu(II) | >90% | [28] | | Nanoscale zerovalent iron (nZVI)-multiwalled carbon nanotube (MWCNT) | Cr(VI) | — | [101] | | Silica fume supported-Fe(0) nanoparticles (SF-Fe(0)) | Cr(VI) | — | [102] | | Surface engineered Fe3O4 |
Cr(III), Co(II), and Ni(II) | — | [115] | | Magnetically iron-nickel oxide | Cr(VI) | 30 mg L− | [103] | | Iron oxide nanoparticles modified with 3-aminopropyltriethoxysilane (APTES) and acryloyl chloride (AC) | Ni(II), Cr(VI), Pb(II), and Cu(II) | 57.1 emu g− | [104] | | Nanoscale δ-MnO2 embedded on graphene nanosheet | Ni(II) | 46.6 mg L− | [105] | | Chitosan stabilized bimetallic Fe/Ni nanoparticles (CS-Fe/Ni) | Cd(II) | 90.9% | [83] |
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