PHOTOCATALYTIC DYE REMOVAL USING GO-TIO2 MODIFIED ELECTRODE AND OPTIMIZATION BY RSM

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GHOLAMI AKERDI A.; BAHRAMI S.H.; ARAMI M.; PAJOOTAN E.

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Journal: JOURNAL OF COLOR SCIENCE AND TECHNOLOGY Year:2017 | Volume:11 | Issue:3 Page(s): 187-202

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Title

PHOTOCATALYTIC DYE REMOVAL USING GO-TIO2 MODIFIED ELECTRODE AND OPTIMIZATION BY RSM

Author(s)

GHOLAMI AKERDI A. | BAHRAMI S.H. | ARAMI M. | PAJOOTAN E. | Issue Writer Certificate

Keywords

TIO2 NANOPARTICLESQ1

IMMOBILIZED GRAPHENE OXIDEQ1

COLORED WASTEWATERQ2

METHYLENE BLUE DYEQ1

RESPONSE-SURFACE MODELQ1

Abstract

In this research, graphene oxide (GO) was deposited on the surface of graphite electrodes by the electrodeposition (ED) method which was synthesized by the modified Hummer’s method. FESEM images, FTIR analysis and XRD pattern were employed to confirm the structure of GO. TiO2 nanoparticles were further immobilized on the surface of the graphene oxide fabricated graphite electrodes (TiO2-GO-GE) using solvent evaporation and then photocatalytic activity of the prepared TiO2-GO-CE was studied for the discoloration of solutions containing Methylene Blue (MB) cationic dye. The effect of parameters such as initial dye concentration, pH of solution and TiO2 content on the decolorization efficiency of the photocatalytic process was investigated. The obtained results indicated that the prepared TiO2-GO-GE can decolorize MB with high efficiency (90%) after 120 min of photocatalytic process. Stability test was carried out in order to show important role of GO. Then, response surface methodology (RSM) method was employed to optimize photocatalytic process and examine simultaneous effect of parameters. The validity of the model for optimization and prediction of the process with low number of experiments was stablished by experimental results (low difference between predicted value (80.56%) and experimental value (76.47%)) and also by high value of correlation coefficient (96.87%).

Cites

Photocatalytic Degradation of Acid Yellow 36 Using Titanium Dioxide Nanocomposites Doped by Zirconium

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APA: Copy

GHOLAMI AKERDI, A., BAHRAMI, S.H., ARAMI, M., & PAJOOTAN, E.. (2017). PHOTOCATALYTIC DYE REMOVAL USING GO-TIO₂ MODIFIED ELECTRODE AND OPTIMIZATION BY RSM. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 11(3 ), 187-202. SID. https://sid.ir/paper/137294/en

Vancouver: Copy

GHOLAMI AKERDI A., BAHRAMI S.H., ARAMI M., PAJOOTAN E.. PHOTOCATALYTIC DYE REMOVAL USING GO-TIO₂ MODIFIED ELECTRODE AND OPTIMIZATION BY RSM. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY[Internet]. 2017;11(3 ):187-202. Available from: https://sid.ir/paper/137294/en

IEEE: Copy

A. GHOLAMI AKERDI, S.H. BAHRAMI, M. ARAMI, and E. PAJOOTAN, “PHOTOCATALYTIC DYE REMOVAL USING GO-TIO₂ MODIFIED ELECTRODE AND OPTIMIZATION BY RSM,” JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, vol. 11, no. 3 , pp. 187–202, 2017, [Online]. Available: https://sid.ir/paper/137294/en

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