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:: Volume 5, Issue 4 (9-2018) ::
jehe 2018, 5(4): 337-344 Back to browse issues page
Synthesis of ZnO-SnO2-Ag Nanocomposite and Investigation of the Photocatalytic Decomposition of Methyl Orange Using Synthesized Nanocomposite
Azam Ghaderi, Sedigheh Abbasi , Farshad Farahbod
Assistant professor, Esfarayen University of Technology, Esfarayen, North khorasan, Iran
Abstract:   (284 Views)
Background and Objectives: The presence of dye organic pollutants such as methyl orange is an imperative threat for environment. Therefore, the main aim of this study is synthesize of the ZnO-SnO2-Ag nanocomposite and elimination of methyl orange from water using advanced oxidation process and synthesized photocatalytic nanocomposite.
Material and Methods: The nanocomposite containing ZnO, SnO2 and Ag nanoparticles is synthesized for photocatalytic application. The synthesized nanocomposite is characterized using X-ray diffraction (XRD) spectroscopy and transmission electron microscopy (TEM). The effect of irradiation time ranging from 5 min to 15 min and weight fraction of nanocomposite ranging from 0.125 %wt to 0.5 %wt is investigated on the photocatalytic decomposition of methyl orange.
Results: The results of the XRD pattern reveal that the Ag nanoparticles with cubic structure decorate on the surface of ZnO-SnO2. The results of the photocatalytic activity of the synthesized nanocomposite show that the removal efficiency of the pollutant increases with UV irradiation time and weight fraction. The results of the Duncan’s multiple range test confirm that there is a significant difference among different level of the UV irradiation time and weight fraction of nanocomposite.
Conclusion: Base on the experimental results, it is clear that the effect of UV irradiation time is more significant rather than weight fraction.
Keywords: nanocomposite, ZnO-SnO2-Ag, photocatalytic activities, methyl orange, removal efficiency
Full-Text [PDF 320 kb]   (112 Downloads)    
Type of Study: Research | Subject: Special
Received: 2018/10/2 | Accepted: 2018/10/2 | Published: 2018/10/2
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Ghaderi A, Abbasi S, Farahbod F. Synthesis of ZnO-SnO2-Ag Nanocomposite and Investigation of the Photocatalytic Decomposition of Methyl Orange Using Synthesized Nanocomposite. jehe. 2018; 5 (4) :337-344
URL: http://jehe.abzums.ac.ir/article-1-543-en.html

Volume 5, Issue 4 (9-2018) Back to browse issues page
مجله مهندسی بهداشت محیط Journal of Environmental Health Enginering
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