Research Article
Effective Removal of Phosphate from Waste Water Based on Silica Nanoparticles
Table 5
Comparison of phosphate ion adsorption between SiO2 and another materials.
| Materials | Concentration range (mg·L−1) | Adsorption capacity (mg·g−1) | Treatment | Reference |
| SiO2 | 0.5–2.5 | 9.08 | Without treatment | This study | Fly ash | 50–2000 | 3.34 | Without treatment | [38] | Steel slag | 11.40–45.59 | 5.30 | Without treatment | [39] | Red mud | 0.01–1 | 0.58 | HCl treatment, pH = 5, 40°C | [26] |
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