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Enhancing Dye Decolorization: CS/TiO2-ZrO2 Nano Hybrid Catalyst for Malachite Green Removal

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Abstract:

The modification of titanium dioxide (TiO2) with zirconium dioxide (ZrO2) supported by chitosan (CS) was carried out to obtain a binary oxide system, which should have the properties of both components such as high stability, solar propulsion, non-toxicity and good corrosion resistance. The sample with a ratio of 1:1:3 (TiO2:CS:ZrO2) showed the best results with a photocatalytic degradability of 99 % after 90 minutes at a pH of 7 and in 10 ppm Malachite Green (MG). Under visible light, the photocatalytic degradability of the CS/TiO2-ZrO2 hybrid was more than 90 %. The enhanced photocatalytic degradation of MG by hybrid catalyst beads was attributed to the synergistic effect of hybrid CS/TiO2-ZrO2.

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Periodical:

Materials Science Forum (Volume 1171)

Pages:

85-90

DOI:

https://doi.org/10.4028/p-7C9Wqa

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Online since:

December 2025

Authors:

Mohd Azam Mohd Adnan, Mohd Fadhil Majnis, Mustaffa Ali Azhar Taib, Nurhidayatullaili Muhd Julkapli*

Keywords:

Adsorption, Composites, Light Oxidation, Nanoparticles, Support

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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