Enhanced solar light photocatalytic performance of Fe-ZnO in the presence of H2O2, S2O82−, and HSO5− for degradation of chlorpyrifos from agricultural wastes: Toxicities investigation - Publikacja - MOST Wiedzy

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Enhanced solar light photocatalytic performance of Fe-ZnO in the presence of H2O2, S2O82−, and HSO5− for degradation of chlorpyrifos from agricultural wastes: Toxicities investigation

Abstrakt

This study reported Fe doped zinc oxide (Fe-ZnO) synthesis to degrade chlorpyrifos (CPY), a highly toxic organophosphate pesticide and important sources of agricultural wastes. Fourier transform infrared, X-ray diffraction, scanning electron microscope, and energy-dispersive X-ray spectroscopic analyses showed successful formation of the Fe-ZnO with highly crystalline and amorphous nature. Water collected from agricultural wastes were treated with Fe-ZnO and the results showed 67% degradation of CPY by Fe-ZnO versus 39% by ZnO at 140 min treatment time. Detail mechanism involving reactive oxygen species production from solar light activated Fe-ZnO and their role in degradation of CPY was assessed. Use of H2O2, peroxydisulfate (S2O82−) and peroxymonosulfate (HSO5−) with Fe-ZnO under solar irradiation promoted removal of CPY. The peroxides yielded hydroxyl (radical dotOH) and sulfate radical (Image 1) under solar irradiation mediated by Fe-ZnO. Effects of several parameters including concentration of pollutant and oxidants, pH, co-existing ions, and presence of natural organic matter on CPY degradation were studied. Among peroxides, HSO5− revealed to provide better performance. The prepared Fe-ZnO showed high reusability and greater mineralization of CPY. The GC-MS analysis showed degradation of CPY resulted into several transformation products (TPs). Toxicity analysis of CPY as well as its TPs was performed and the formation of non-toxic acetate imply greater capability of the treatment technology.

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Autorzy (9)

  • Zdjęcie użytkownika  Noor S. Shah

    Noor S. Shah

    • Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, 61100, Pakistan
  • Zdjęcie użytkownika  Jibran Iqbal

    Jibran Iqbal

    • College of Natural and Health Sciences, Zayed University, P.O. Box 144534, Abu Dhabi, United Arab Emirates
  • Zdjęcie użytkownika  Murtaza Sayed

    Murtaza Sayed

    • Radiation Chemistry Laboratory, National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar, 25120, Pakistan
  • Zdjęcie użytkownika  Ayman A. Ghfar

    Ayman A. Ghfar

    • Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
  • Zdjęcie użytkownika  Javed Ali Khan

    Javed Ali Khan

    • Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
  • Zdjęcie użytkownika  Zia Ul Haq Khan

    Zia Ul Haq Khan

    • Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, 61100, Pakistan
  • Zdjęcie użytkownika  Behzad Murtaza

    Behzad Murtaza

    • Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, 61100, Pakistan
  • Zdjęcie użytkownika  Farrukh Jamil

    Farrukh Jamil

    • Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus Raiwind Road, Lahore, 54000, Pakistan

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
CHEMOSPHERE nr 287,
ISSN: 0045-6535
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Shah N. S., Iqbal J., Sayed M., Ghfar A. A., Khan J. A., Khan Z. U. H., Murtaza B., Boczkaj G., Jamil F.: Enhanced solar light photocatalytic performance of Fe-ZnO in the presence of H2O2, S2O82−, and HSO5− for degradation of chlorpyrifos from agricultural wastes: Toxicities investigation// CHEMOSPHERE -, (2022), s.132331-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.chemosphere.2021.132331
Weryfikacja:
Politechnika Gdańska

wyświetlono 9 razy

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