Photocatalytic Degradation of Cefixime Antibiotic by Polyaniline/SnO<SUB>۲</SUB> Nanocomposite and Optimization of the Process Using Response Surface Methodology
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JAEHR-11-2_004
تاریخ نمایه سازی: 11 شهریور 1402
Abstract:
Background: Aniline-based organic nanocomposites have a significant performance as photocatalysts in the advanced oxidation process (AOP).Methods: In this study, polyaniline-tin dioxide (PA/SnO۲) nanocomposite was prepared using an ultrasonic process. Next, its efficiency as a photocatalyst in the removal of Cefixime antibiotic pollutant from contaminated waters in a tubular photo reactor was investigated. The experiments were designed by the response surface methodology (RSM) via Minitab software, in such a way that the effects of various parameters on the process are investigated. The effect of different parameters such as reaction time, solution pH, flow rate, antibiotic concentration and hydrogen peroxide concentration on the removal efficiency was investigated.Results: According to the results, the following optimal conditions were obtained: time of ۱۲۰ min, pH of ۸.۶۹, hydrogen peroxide concentration of ۴.۲۲ mM, flow rate of ۱.۲۵ L/min and initial antibiotic concentration of ۲۲.۹۲ mg/L. Under the above-mentioned optimal conditions, the efficiency of Cefixime removal was more than ۷۲.۲۴%.Conclusion: The present study confirms the usability of the PA/SnO۲ nanocomposite as a novel and effective photocatalyst for photocatalytic degradation of Cefixime antibiotic in contaminated water under UV light.
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Authors
Parishan Mohammed
Department of Chemistry, Tabriz branch, Islamic Azad University, Tabriz ۵۱۵۷۹۴۴۵۳۳, Iran
Kambiz Seyyedi
Department of Chemistry, Tabriz branch, Islamic Azad University, Tabriz ۵۱۵۷۹۴۴۵۳۳, Iran
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