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Iranian Journal of Chemical Engineering، جلد ۲۱، شماره ۴، صفحات ۳-۱۹
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عنوان انگلیسی Synthesize and Application of Fe3O4/MW-CNT Composite in Photo-Catalyst Assisted Electrochemical Oxidation of BTX Compounds from Wastewater
چکیده انگلیسی مقاله The Fe3O4/MW-CNT composite was prepared for a hybrid photo-catalyst-assisted electrochemical process for the removal of BTX contamination from wastewater. Oxidation of multi-walled carbon nanotube was conducted by different treatments including acid treatment and hydrogen peroxide. The XRD, FTIR, SEM, TEM, and BET analyses were performed to characterize both the MW-CNT and the synthesized composite. Simultaneous photo-catalyst and electrochemical processes were conducted to evaluate the performance of a new hybrid process for wastewater treatment. The effect of current density, photo-catalyst loading, and BTX initial concentration was investigated experimentally. The characterization results of the synthesized composite show that a mixture of strong nitric acid and sulfuric acid treatment at a high exposure time and low temperature is the best route for MW-CNT oxidation. The removal efficiency of BTX compounds from wastewater using the hybrid photo-electrochemical process was found to be in the range of 28 to 43% for different conditions. The optimum condition for maximum removal of BTX was found by mathematical modeling of experimental data. The results indicate that a combination of photo-catalyst and the electrochemical process can enhance the BTX removal efficiency.
کلیدواژه‌های انگلیسی مقاله Multi-walled carbon nano-tube,Photo-catalyst,electrochemical,hydrothermal treatment,Fe3O4/MWCNT composite
نویسندگان مقاله Arsalan Parvareh |
Razi University

Mohammad Ghanbarnezhad |
Department of Chemical Engineering, Borujerd Branch, Islamic Azad University, Borujerd, Iran

Mostafa Keshavarz Moraveji |
Faculty of Chemical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran.

Sahand Jorfi |
Department of Environmental Health Engineering, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran

نشانی اینترنتی https://www.ijche.com/article_209442_262c428e0e6374a1c8b52b03a0dfaf9f.pdf
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