Photocatalytic decolorization of Basic Blue 41 using TiO2-Fe3O4-bentonite coating applied to ceramic in continuous system
Photocatalytic degradation/decolorization of Basic Blue 41 dye assisted by UV radiation has been studied over TiO 2 -Fe 3 O 4 supported by bentonite. In this experiment, photocatalytic decolorization process was performed continuously; where dye feed solution was supplied to a coated-ceramic vessel....
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Published in | Chemical engineering communications Vol. 207; no. 2; pp. 203 - 212 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
Philadelphia
Taylor & Francis
01.02.2020
Taylor & Francis Ltd |
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Abstract | Photocatalytic degradation/decolorization of Basic Blue 41 dye assisted by UV radiation has been studied over TiO
2
-Fe
3
O
4
supported by bentonite. In this experiment, photocatalytic decolorization process was performed continuously; where dye feed solution was supplied to a coated-ceramic vessel. The influence of the initial concentration, pH, and flow rate of the dye feed solution on the degradation efficiency process was examined in this study. The results showed that the increase in the dye concentration and flow rate reduces decolorization efficiency. The highest decolorization efficiency was at pH of 5.5. The kinetic study of this photo-decolorization indicated that under the experimental condition, the photocatalytic kinetic process followed first-order kinetics on the basis of Langmuir-Hinshelwood heterogeneous reaction mechanism, where the reaction rate constant, namely k
r
, is 0.7707 and the adsorption rate constant, namely K, is 0.01298. |
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AbstractList | Photocatalytic degradation/decolorization of Basic Blue 41 dye assisted by UV radiation has been studied over TiO2-Fe3O4 supported by bentonite. In this experiment, photocatalytic decolorization process was performed continuously; where dye feed solution was supplied to a coated-ceramic vessel. The influence of the initial concentration, pH, and flow rate of the dye feed solution on the degradation efficiency process was examined in this study. The results showed that the increase in the dye concentration and flow rate reduces decolorization efficiency. The highest decolorization efficiency was at pH of 5.5. The kinetic study of this photo-decolorization indicated that under the experimental condition, the photocatalytic kinetic process followed first-order kinetics on the basis of Langmuir-Hinshelwood heterogeneous reaction mechanism, where the reaction rate constant, namely kr, is 0.7707 and the adsorption rate constant, namely K, is 0.01298. Photocatalytic degradation/decolorization of Basic Blue 41 dye assisted by UV radiation has been studied over TiO 2 -Fe 3 O 4 supported by bentonite. In this experiment, photocatalytic decolorization process was performed continuously; where dye feed solution was supplied to a coated-ceramic vessel. The influence of the initial concentration, pH, and flow rate of the dye feed solution on the degradation efficiency process was examined in this study. The results showed that the increase in the dye concentration and flow rate reduces decolorization efficiency. The highest decolorization efficiency was at pH of 5.5. The kinetic study of this photo-decolorization indicated that under the experimental condition, the photocatalytic kinetic process followed first-order kinetics on the basis of Langmuir-Hinshelwood heterogeneous reaction mechanism, where the reaction rate constant, namely k r , is 0.7707 and the adsorption rate constant, namely K, is 0.01298. |
Author | Budhyantoro, Arief Reynaldi, Rafael Suciani, Inez Savitri, Emma Kartiko Widi, Restu |
Author_xml | – sequence: 1 givenname: Restu surname: Kartiko Widi fullname: Kartiko Widi, Restu email: restu@staff.ubaya.ac.id organization: Department of Chemical Engineering, University of Surabaya (UBAYA) – sequence: 2 givenname: Inez surname: Suciani fullname: Suciani, Inez organization: Department of Chemical Engineering, University of Surabaya (UBAYA) – sequence: 3 givenname: Emma surname: Savitri fullname: Savitri, Emma organization: Department of Chemical Engineering, University of Surabaya (UBAYA) – sequence: 4 givenname: Rafael surname: Reynaldi fullname: Reynaldi, Rafael organization: Department of Chemical Engineering, University of Surabaya (UBAYA) – sequence: 5 givenname: Arief surname: Budhyantoro fullname: Budhyantoro, Arief organization: Department of Chemical Engineering, University of Surabaya (UBAYA) |
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Snippet | Photocatalytic degradation/decolorization of Basic Blue 41 dye assisted by UV radiation has been studied over TiO
2
-Fe
3
O
4
supported by bentonite. In this... Photocatalytic degradation/decolorization of Basic Blue 41 dye assisted by UV radiation has been studied over TiO2-Fe3O4 supported by bentonite. In this... |
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SubjectTerms | Basic Blue 41 Bentonite Ceramic coatings CI Basic Blue 41 Decoloring Decolorization Dyes Efficiency Flow velocity Iron oxides Photocatalytic Photodegradation Reaction mechanisms TiO Titanium dioxide Ultraviolet radiation |
Title | Photocatalytic decolorization of Basic Blue 41 using TiO2-Fe3O4-bentonite coating applied to ceramic in continuous system |
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