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Investigation of TiO2 Photocatalyst Performance for Decolorization in the Presence of Hydrodynamic Cavitation as Hybrid AOP
Area/Stream: Chemical Engineering, Authors: Bhaskar Bethi, S. H. Sonawane, G. S. Rohit, C. R. Holkar, D. V. Pinjari, B. A. Bhanvase, A. B. Pandit Keywords: Sonochemical synthesis, Nanophotocatalyst, Hydrodynamic cavitation, Hybrid advanced oxidation process, Waste water treatmentJournal Name: Ultrasonics Sonochemistry Year:2016, Month:January, Volume: 28, Issue: Page No: 150-160, ISSN: 1350-4177, DOI/Link: https://www.sciencedirect.com/science/article/pii/S1350417715002205Abstract:
In this article, an acoustic cavitation engineered novel approach for the synthesis of TiO2, cerium and Fe doped TiO2 nanophotocatalysts is reported. The prepared TiO2, cerium and Fe doped TiO2 nanophotocatalysts were characterized by XRD and TEM analysis to evaluate its structure and morphology. Photo catalytic performance of undoped TiO2 catalyst was investigated for the decolorization of crystal violet dye in aqueous solution at pH of 6.5 in the presence of hydro dynamic cavitation. Effect of catalyst doping with Fe and Ce was also studied for the decolorization of crystal violet dye. The results shows that, 0.8% of Fe-doped TiO2 exhibits maximum photocatalytic activity in the decolorization study of crystal violet dye due to the presence of Fe in the TiO2 and it may acts as a fenton reagent. Kinetic studies have also been reported for the hybrid AOP (HAOP) that followed the pseudo first-order reaction kinetics.
Cite this: Bhaskar Bethi, S. H. Sonawane, G. S. Rohit, C. R. Holkar, D. V. Pinjari, B. A. Bhanvase, A. B. Pandit,"Investigation of TiO2 Photocatalyst Performance for Decolorization in the Presence of Hydrodynamic Cavitation as Hybrid AOP", Ultrasonics Sonochemistry, 28, , January, 2016, 150-160, 1350-4177, https://www.sciencedirect.com/science/article/pii/S1350417715002205
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