Optimization and Modeling of Advanced Oxidation of Dye Solution Using Response Surface Methodology
Publish place: سومین کنفرانس سراسری نوآوری های اخیر در شیمی و مهندسی شیمی
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CHCONF03_116
تاریخ نمایه سازی: 8 اسفند 1395
Abstract:
The present research reports the photocatalytic degradation of anionic dye effluent using immobilized TiO2 nanoparticle on graphene oxide (GO) fabricated carbon electrodes. Acid Red 14 (AR 14) was used as model compound. Graphene oxide nanosheets were synthesized from graphite powder using modified Hummer’s method. The nanosheets were characterized with field emission scanning electron microscope (FESEM) images, X-ray diffraction (XRD) and FTIR spectrum. The GO nanoparticles were deposited on carbon electrode (GO-CE) by electrochemical deposition (ECD) method and used as catalyst bed. TiO2 nanoparticles were fixed on the bed (GO-CE- TiO2) with thermal process. Response surface methodology (RSM) was applied to design the experiments, and the optimum operating parameters were determined for AR 14 removal. Operating factors and their effect on the dye removal such as pH, initial dye concentration, TiO2 dosage and time were studied. The dye removal required for treatment was optimized using RSM, and a regression equation was developed for AR 14 removal in a photocatalytic operation
Keywords:
Photocatalyst , Graphene Oxide fabricated electrode , Decolorization , Nanoparticle , RSM , Anionic dye
Authors
Abdollah Gholami Akerdi
Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran
S Hajir Bahrami
Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran
Mokhtar Arami
Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran
Elmira Pajootan
Department of Textile Engineering, Amirkabir University of Technology, Tehran, Iran
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