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Novel WO3/Fe3O4 magnetic photocatalysts: Preparation, characterization and thiacloprid photodegradation

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2019
Authors
Banić, N.D.
Abramović, Biljana F.
Krstić, Jugoslav
Šojić, Merkulov D.V.
Finčur, Nina L.
Mitrić, Miodrag
Article (Published version)
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Abstract
This work presents the characterization of novel synthesized WO3/Fe3O4 catalysts and investigates their photocatalytic activity for thiacloprid decomposition under UV and simulated sunlight radiation. Four WO3/Fe3O4 nanopowders with different amounts of WO3 were synthesized by chemical co-precipitation method. XRD analysis showed the presence of hematite and magnetite nano-dimensional phases of Fe3O4 in the catalysts. The magnetite phase content increased with increasing WO3 content. Degradation efficiency of thiacloprid in the presence of 6.1WO3/Fe3O4/H2O2 under simulated solar radiation was 2.2 times higher compared to Fe3O4. Under an external magnetic field, a significant increase in the catalysts separation from reaction mixture was observed.
Keywords:
Hematite/magnetite / Magnetic separation / Photodegradation / Thiacloprid / WO3/Fe3O4
Source:
Journal of Industrial and Engineering Chemistry, 2019, 70, 264-275
Publisher:
  • Korean Society of Industrial Engineering Chemistry
Projects:
  • Development of Methods of Monitoring and Removal of Biologically Actives Substances Aimed at Improving the Quality of the Environment (RS-172042)
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)

DOI: 10.1016/j.jiec.2018.10.025

ISSN: 1226-086X

WoS: 000456491400026

Scopus: 2-s2.0-85055985331
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2502
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