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Visible Light-Driven Photocatalytic Degradation of Ciprofloxacin, Ampicillin and Erythromycin by Zinc Ferrite Immobilized on Chitosan

Author

Listed:
  • Nehad Ahmed Hassan Mohamed

    (Public Works Department, Faculty of Engineering, Ain Shams University, Cairo 11535, Egypt)

  • Rehab Nabil Shamma

    (Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo 11561, Egypt)

  • Sherien Elagroudy

    (Public Works Department, Faculty of Engineering, Ain Shams University, Cairo 11535, Egypt
    Egypt Solid Waste Management Center of Excellence, Ain Shams University, Cairo 11535, Egypt)

  • Adewale Adewuyi

    (Department of Chemical Sciences, Faculty of Natural Sciences, Redeemer’s University, Ede 230, Osun State, Nigeria
    Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK)

Abstract

This study investigated the synthesis of zinc ferrite immobilized on chitosan (ZnFe 2 O 4 @Chitosan) and its application in the photodegradation of ciprofloxacin (CIP), ampicillin (AMP) and erythromycin (ERY) in aqueous solution. Results from Fourier transform infrared spectroscopy (FTIR) revealed peaks suggesting its synthesis, while signals from X-ray diffraction (XRD) showed diffraction patterns confirming the synthesis of ZnFe 2 O 4 @Chitosan with a crystallite size of 35.14 nm. Scanning electron microscopy (SEM) revealed a homogeneous morphology with a surface area of 12.96 m 2 g −1 from the Brunauer–Emmett–Teller (BET) analysis. The vibrating sample magnetometry (VSM) result revealed a saturation magnetization of 2.38 emu g −1 . The photodegradation study of CIP, AMP and ERY showed that both photodegradation and adsorption were taking place at the same time with the percentage degradation efficiency in the order CIP (99.80 ± 0.20%) > AMP (94.50 ± 0.10%) > ERY (83.20 ± 0.20%). ZnFe 2 O 4 @Chitosan exhibited high stability with capacity > 90% even at the 15th regeneration cycle, suggesting a viable economic value of ZnFe 2 O 4 @Chitosan.

Suggested Citation

  • Nehad Ahmed Hassan Mohamed & Rehab Nabil Shamma & Sherien Elagroudy & Adewale Adewuyi, 2022. "Visible Light-Driven Photocatalytic Degradation of Ciprofloxacin, Ampicillin and Erythromycin by Zinc Ferrite Immobilized on Chitosan," Resources, MDPI, vol. 11(10), pages 1-17, September.
    • Handle: RePEc:gam:jresou:v:11:y:2022:i:10:p:81-:d:922446
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