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.

MaterialsConcentration range (mg·L−1)Adsorption capacity (mg·g−1)TreatmentReference

SiO20.5–2.59.08Without treatmentThis study
Fly ash50–20003.34Without treatment[38]
Steel slag11.40–45.595.30Without treatment[39]
Red mud0.01–10.58HCl treatment, pH = 5, 40°C[26]