Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 249, Issue -, Pages 546-553Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2017.11.031
Keywords
Heteropolyanions; Phosphomolybdic acid; Polyoxometalate; Photocatalytic activity; Aniline; TiO2; ZnO
Funding
- Shahid Sadoughi University of Medical sciences
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Three nanocomposites of phosphomolybdic acid supported on TiO2 and ZnO nanoparticles were synthesized and characterized by means of FESEM, FTIR and XRD analysis. Photocatalytic activity of the synthesized nanocomposite was investigated for aniline as an organic pollutant model. Relatively, good degradation efficiency above 70% was achieved for all nanocomposites in presence of hydrogen peroxide as electron scavenger. The kinetic study showed that photocatalytic degradation of aniline followed the Langmuir-Hinshelwood model. Results showed that hydroxyl radicals and holes play an important role in photocatalytic degradation of aniline using synthesized nanocomposites. These results suggested that synthesized nanocomposites could be promising photocatalysts in the removal of aniline from aqueous solutions. (C) 2017 Published by Elsevier B.V.
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