Table 2.
Reported adsorption capacities (mg g−1) of copper using Zinc Oxide as adsorbent.
| Adsorbent | Adsorption capacities (mg g−1) (qmax) | References |
|---|---|---|
| ZnO nanoplates | > 1600.0 | Wang et al., 2010 |
| Nanocomposite of ZnO with montmorillonite | 54.06 | Sani et al., 2017 |
| ZnO nanoparticles | 625.0 | Rafiq et al., 2014 |
| ZnO@chitosan core-shell nanocomposite | 117.6 | Saad et al. (2018) |
| ZnO hollow microspheres | 1400 | Wang et al., 2013b |
| ZnO from Tecnan | 137.5 | Mahdavi et al., 2012 |
| ZnO (flower-like) | 692 | Bagheri et al., 2014 |
| Porous Zn-AL | 20.43 | Present work |
| porous Zn-ST | 10.95 | Present work |