Study of the Efficiency of Non-Homogeneous Catalytic Ozonation Process using a Catalyst of Magnetic Nanoparticles of Iron Oxide Doped with Silica and Titanium Dioxide in Removal of Metronidazole from Synthetic Wastewater

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YEGANE BADI MOJTABA; DEHGHANIFARD EMAD

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Journal: JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING Year:2018 | Volume:5 | Issue:4 Page(s): 323-336

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Title

Study of the Efficiency of Non-Homogeneous Catalytic Ozonation Process using a Catalyst of Magnetic Nanoparticles of Iron Oxide Doped with Silica and Titanium Dioxide in Removal of Metronidazole from Synthetic Wastewater

Author(s)

YEGANE BADI MOJTABA | DEHGHANIFARD EMAD | Issue Writer Certificate

Keywords

MetronidazoleQ1

Catalytic ozonationQ2

Magnetic nanoparticles of iron oxide doped with silicaQ1

titanium dioxideQ1

Abstract

Background and Objective Antibiotics are widely used in veterinary and medicine in the last few decades which presence of these compounds has made potential risks for aquatic and terrestrial organisms in the environment. Metronidazole is one of these antibiotics. The purpose of this study was investigation of the efficiency of Metronidazole removal from aqueous solutions using a Catalytic ozonation process with Magnetic nanoparticles of iron oxide doped with silica and titanium dioxide. Materials and Methods The sol gel method was used to synthesize Fe3O4@SiO2@TiO2 nanoparticles and its properties were investigated by SEM, XRD and EDX analyzes. The effect of parameters such as pH, catalyst dose, reaction time, contaminant concentration, determining the mineralization and scavenger effect were investigated on the process performance. Changes in Metronidazole concentration were determined by HPLC. Results According to the results of this study, pH =10 and catalyst dose of 3 g /l were obtained as optimum conditions and the removal efficiency increased with increasing of contact time and decreasing in the concentration of Metronidazole. Results showed that the removal of Metronidazole followed first degree model by this process. Rate of TOC was 86% under optimal operating conditions. Conclusion Catalytic ozonation process with Magnetic nanoparticles of iron oxide doped with silica and titanium dioxide can significantly remove Metronidazole and it is an appropriate method for removal of Metronidazole.

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APA: Copy

YEGANE BADI, MOJTABA, & DEHGHANIFARD, EMAD. (2018). Study of the Efficiency of Non-Homogeneous Catalytic Ozonation Process using a Catalyst of Magnetic Nanoparticles of Iron Oxide Doped with Silica and Titanium Dioxide in Removal of Metronidazole from Synthetic Wastewater. JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING, 5(4 ), 323-336. SID. https://sid.ir/paper/259254/en

Vancouver: Copy

YEGANE BADI MOJTABA, DEHGHANIFARD EMAD. Study of the Efficiency of Non-Homogeneous Catalytic Ozonation Process using a Catalyst of Magnetic Nanoparticles of Iron Oxide Doped with Silica and Titanium Dioxide in Removal of Metronidazole from Synthetic Wastewater. JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING[Internet]. 2018;5(4 ):323-336. Available from: https://sid.ir/paper/259254/en

IEEE: Copy

MOJTABA YEGANE BADI, and EMAD DEHGHANIFARD, “Study of the Efficiency of Non-Homogeneous Catalytic Ozonation Process using a Catalyst of Magnetic Nanoparticles of Iron Oxide Doped with Silica and Titanium Dioxide in Removal of Metronidazole from Synthetic Wastewater,” JOURNAL OF ENVIRONMENTAL HEALTH ENGINERING, vol. 5, no. 4 , pp. 323–336, 2018, [Online]. Available: https://sid.ir/paper/259254/en

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