Fe2O3/TiO2/Activated Carbon Nanocomposite with Synergistic Effect of Adsorption and Photocatalysis

Fe2O3/TiO2/activated carbon (FT/AC) nanocomposites supported on silica gel beads were synthesized using a sonochemical method and fully characterized. The response surface method was applied to optimize the removal of Pb(II) ions by nanocomposites under visible light. The experiments were conducted...

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Bibliographic Details
Published in:Chemical engineering & technology 2021-01, Vol.44 (1), p.130-139
Main Authors: Baniamerian, Hamed, Teimoori, Mostafa, Saberi, Masoud
Format: Article
Language:English
Subjects:
Activated carbon
Adsorption
Beads
Lead
Nanocomposites
Pb(II) ions
Photocatalysis
Response surface methodology
Silica gel
Silicon dioxide
Sonochemical reactions
Synergistic effect
Titanium dioxide
Wastewater
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Summary:Fe2O3/TiO2/activated carbon (FT/AC) nanocomposites supported on silica gel beads were synthesized using a sonochemical method and fully characterized. The response surface method was applied to optimize the removal of Pb(II) ions by nanocomposites under visible light. The experiments were conducted by adjusting three parameters, i.e., initial concentration of Pb(II) ions, dosage of Fe2O3/TiO2 (FT) photocatalyst, and pH. The FT/AC nanocomposite showed higher efficiency for Pb(II) ion removal in comparison with FT due to the synergistic effect of activated carbon combined with Fe2O3/TiO2. A Fe2O3/TiO2/activated carbon nanocomposite was synthesized to exploit the synergistic effect of photocatalysis and adsorption in aqueous media. To optimize the removal of Pb(II) ions by nanocomposites under visible light, the response surface method was applied. Under optimal conditions, the synthesized nanocomposite exhibited a high efficiency of Pb(II) ion removal under visible light irradiation.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.202000403