Research Article
Competitive Adsorption of Metals onto Magnetic Graphene Oxide: Comparison with Other Carbonaceous Adsorbents
Table 2
Comparison of Cu(II), Pb(II), and Cd(II) adsorption capacities of this study with other recent reports using magnetic GO.
| Sorbents | Environmental conditions | Metals | (mg/g) | References |
|
GO/Fe3O4 | pH = 5.3, = 20°C | Cu(II) | 18.3 | Li et al. [3] |
| GO/silica/Fe3O4 | pH = 7.1, = 25°C | Pb(II) | 333.3 |
Wang et al. [9] | Cd(II) | 166.7 |
| GO/Fe3O4/sulfanilic acid | pH =6.0, = 25°C | Cd(II) | 55.4 | Hu et al. [7] |
| GO-MnFe2O4 | pH =5.0, = 25°C | Pb(II) | 673 | Kumar et al. [11] |
| Reduced GO/CoFe2O4 | pH = 5.3, = 25°C | Pb(II) | 299.4 |
Zhang et al. [12] | pH = 5.3, = 35°C | 274.7 | pH = 5.3, = 45°C | 253.2 |
| GO/Mn-doped Fe(III) oxide | pH = 5.0, = 25°C | Cd(II) | 87.2 |
Nandi et al. [8] | Cu(II) | 129.7 |
| GO/Fe3O4/sulfanilic acid | pH = 5.0, = 20°C | Cu(II) | 50.7 |
Hu et al. [6] | pH = 5.0, = 30°C | 56.9 |
| GO/Fe3O4 | pH = 6.0, = 20°C | Cu(II) | 23.1 | This study | Pb(II) | 38.5 | Cd(II) | 4.4 |
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