TR
EN
Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst
Abstract
Rhodamine B (RhB) dye is studied as target pollutant in this work due to its various adverse effects on skin, gastrointestinal and respiration systems. In the present study, decolorization of RhB dye by sonophotocatalysis (SPC) method in a synthetic aqueous solution was investigated using a hybrid laboratory-scale, batch-mode reactor system with a pure, nano-sized catalyst under ultraviolet A (UVA) light (~365 nm) irradiation for 90 minutes. To achieve maximum RhB decolorization, independent parameters which were TiO2 concentration (0.5 to 2.5 g/L), initial pH (2 to 10) and concentration of RhB (10 to 50 mg/L), were chosen in this method. The three-level Box-Behnken factorial design (BBD) was selected to carry out the optimization method. The finding results presented that TiO2 concentration of 0.5 g/L, pH 2, and an initial RhB concentration of 15.25 mg/L were optimum parameters to achieve maximum RhB decolorization. Further, lamp type, lamp electrical power, and adding H2O2 that could affect the removal efficiency were investigated as a first time. Based on ANOVA analysis, concentration of RhB stated the most significant effects followed by pH and TiO2 concentration on the model. A good compliance between experimental results and predictive values were obtained by the regression analysis for the model with R2 value of 0.9902. The results showed that the Langmuir–Hinshelwood (L-H) model could clarify the SPC process well, where kc and KLH were 0.941 mg/Lmin and 0.129 L/mg, respectively.
Keywords
Supporting Institution
Bolu Abant Izzet Baysal University Scientific Research Projects
Project Number
2021.09.02.1498
Thanks
This work was partially supported financially by the BAIBU Scientific Research Project Number: 2021.09.02.1498. The author Gamze Dogdu Okcu contributed to the conception and design, conducting the experiment; acquisition, analysis, and interpretation of the data; and writing of the article. Nazmiye Ebru Şen and Simge Dalkılıç were gratefully acknowledged by the author for their invaluable helps in running experiments.
References
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Details
Primary Language
English
Subjects
Engineering
Journal Section
Research Article
Authors
Publication Date
October 25, 2022
Submission Date
November 11, 2021
Acceptance Date
March 6, 2022
Published in Issue
Year 2022 Volume: 10 Number: 4
APA
Doğdu Okçu, G. (2022). Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst. Duzce University Journal of Science and Technology, 10(4), 1998-2014. https://doi.org/10.29130/dubited.1022337
AMA
1.Doğdu Okçu G. Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst. DUBİTED. 2022;10(4):1998-2014. doi:10.29130/dubited.1022337
Chicago
Doğdu Okçu, Gamze. 2022. “Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst”. Duzce University Journal of Science and Technology 10 (4): 1998-2014. https://doi.org/10.29130/dubited.1022337.
EndNote
Doğdu Okçu G (October 1, 2022) Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst. Duzce University Journal of Science and Technology 10 4 1998–2014.
IEEE
[1]G. Doğdu Okçu, “Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst”, DUBİTED, vol. 10, no. 4, pp. 1998–2014, Oct. 2022, doi: 10.29130/dubited.1022337.
ISNAD
Doğdu Okçu, Gamze. “Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst”. Duzce University Journal of Science and Technology 10/4 (October 1, 2022): 1998-2014. https://doi.org/10.29130/dubited.1022337.
JAMA
1.Doğdu Okçu G. Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst. DUBİTED. 2022;10:1998–2014.
MLA
Doğdu Okçu, Gamze. “Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst”. Duzce University Journal of Science and Technology, vol. 10, no. 4, Oct. 2022, pp. 1998-14, doi:10.29130/dubited.1022337.
Vancouver
1.Gamze Doğdu Okçu. Optimization of Hybrid Sonophotocatalytic Decolorization of Rhodamine B (RhB) Dye Using TiO2 Nanocatalyst. DUBİTED. 2022 Oct. 1;10(4):1998-2014. doi:10.29130/dubited.1022337