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Magnetic Metal Oxide Catalysts: Paving the Way for Enhanced Antibiotics Degradation in Wastewater Via Peroxymonosulfate Activation Publisher



Kakavandi B1 ; Salmasi MZ2 ; Bashardoust P3 ; Giannakis S4 ; Kalantary RR5, 6
Authors
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, Alborz University of Medical Sciences, Karaj, Iran
  2. 2. Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
  3. 3. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Universidad Politecnica de Madrid, E.T.S. de Ingenieros de Caminos, Canales y Puertos, Departamento de Ingenieria Civil: Hidraulica, Energia y Medio Ambiente, Environment, Coast and Ocean Research Laboratory (ECOREL-UPM), c/Profesor Aranguren, s/n, Madrid, ES-28040, Spain
  5. 5. Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, Iran

Source: Process Safety and Environmental Protection Published:2024


Abstract

The global challenge of removing pharmaceutical pollutants necessitates urgent attention. Advanced oxidation processes (AOPs) have been widely researched for this purpose. Peroxymonosulfate (PMS) has gained significant interest due to its ability to generate free radicals and its high efficiency and cost-effectiveness. In this study, various magnetic metal oxides (MMOs) including CoFe2O4 (CoF), CuFe2O4 (CuF), and Fe3O4 (FO) were synthesized, and their performance in activating PMS for the elimination of Cefixime (CFX) was compared with each other. The physicochemical, textural, and structural characteristics of the prepared samples were analyzed using BET, FESEM-EDS, XRD, and VSM techniques. The results revealed that CoF exhibited superior performance in the decontamination of CFX when coupled with PMS, outperforming the other catalysts. CoF also demonstrated higher reusability potential compared to CuF and FO catalysts. These findings indicate that the application of transition metal ions as heterogeneous catalysts exhibit enhanced catalytic activity in PMS decomposition compared to homogeneous forms. Overall, CoF proves to be an effective and promising catalyst for contaminant degradation in water resources when employed in the PMS activation system. © 2023 The Institution of Chemical Engineers
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