Volume 12, Issue 1 (12-2024)
J Environ Health Eng 2024, 12(1): 1-16 |
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Pasalari H, Fakhri H, Esrafili A, Hoseinzadeh E, Farzadkia M. Synthesis and characterization of new metal organic hybrid immobilized on carbon support: photocatalytic degradation of organophosphate pesticide (Malathion) and drug pollutant (Tetracycline) from aqueous solution. J Environ Health Eng 2024; 12 (1) :1-16
URL: http://jehe.abzums.ac.ir/article-1-1056-en.html
URL: http://jehe.abzums.ac.ir/article-1-1056-en.html
Research Center for Environmental Health Technology, Iran University of Medical Sciences, Tehran, Iran- Department of Environmental Health Engineering, School of Public Health, Iran University of Medical Sciences, Tehran, IR Iran
Abstract: (402 Views)
Background: Due to the advantages of organic metal hybrids in the destruction of various environmental pollutants, the aim of this study is to modify the structure of the carbon substrate and improve the properties of organic metal hybrids in order to photocatalytically destroy organophosphorus toxins (malathion) and the antibiotic tetracycline.
Materials and Methods: In this research, an easy and effective ultrasonic method was used to synthesize carbon-based metal oxide / graphene oxide / metal organic framework (UiO-66) nanocomposite and various metal oxides including zinx oxide, titanium oxide, tungsten oxide and cobalt oxide in nanocomposite structure were used to compare their photocatalytic activity. The products were identified by X-Ray diffraction (XRD), fourier transform spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and UV-Vis spectroscopy. Photocatalytic activity of synthetic nanocomposites was investigated by degradation of tetracycline and malathion under visible light.
Results: The results showed that the presence of graphene oxide and UiO-66 improved the photocatalytic properties of metal oxide and the removal efficiency increased to 100%. In this study, the effect of metal oxide, dosage of metal oxide / graphene, initial pH of the solution and the presence of various scavengers on photocatalytic properties was investigated. Using LC-MASS analyzes, the formed intermediates during degradation of pollutants were identified.
Conclusion: The results showed that metal oxide / graphene oxide / UiO-66 has the highest efficiency in photocatalytic degradation of organophosphorus toxins (malathion) and the antibiotic tetracyclin
Materials and Methods: In this research, an easy and effective ultrasonic method was used to synthesize carbon-based metal oxide / graphene oxide / metal organic framework (UiO-66) nanocomposite and various metal oxides including zinx oxide, titanium oxide, tungsten oxide and cobalt oxide in nanocomposite structure were used to compare their photocatalytic activity. The products were identified by X-Ray diffraction (XRD), fourier transform spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and UV-Vis spectroscopy. Photocatalytic activity of synthetic nanocomposites was investigated by degradation of tetracycline and malathion under visible light.
Results: The results showed that the presence of graphene oxide and UiO-66 improved the photocatalytic properties of metal oxide and the removal efficiency increased to 100%. In this study, the effect of metal oxide, dosage of metal oxide / graphene, initial pH of the solution and the presence of various scavengers on photocatalytic properties was investigated. Using LC-MASS analyzes, the formed intermediates during degradation of pollutants were identified.
Conclusion: The results showed that metal oxide / graphene oxide / UiO-66 has the highest efficiency in photocatalytic degradation of organophosphorus toxins (malathion) and the antibiotic tetracyclin
Type of Study: Research |
Subject:
Special
Received: 2024/08/17 | Accepted: 2024/11/17 | Published: 2024/12/7
Received: 2024/08/17 | Accepted: 2024/11/17 | Published: 2024/12/7
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