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Vol. 37 No. 3 (2025): Vol 37 Issue 3, 2025

Copyright (c) 2025 ANJU ROSE PUTHUKKARA P, SUNIL JOSE T, DINOOP LAL S

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This work is licensed under a Creative Commons Attribution 4.0 International License.

TiO2-Zeolite Composite Modified Iron Nanoparticles for the Removal of Cr(VI) from Wastewater

https://doi.org/10.14233/ajchem.2025.33262
P. Anju Rose Puthukkara
Department of Chemistry, St. Thomas College, Thrissur-680001, India
https://orcid.org/0000-0003-3325-0180
T. Sunil Jose
Department of Chemistry, St. Thomas College, Thrissur-680001, India
https://orcid.org/0000-0002-4690-1248
S. Dinoop Lal
https://orcid.org/0000-0002-0136-3730

Corresponding Author(s) : T. Sunil Jose

suniljosestc@gmail.com

Asian Journal of Chemistry, Vol. 37 No. 3 (2025): Vol 37 Issue 3, 2025

Abstract

Zero valent iron (Fe0) particles are significant in wastewater treatment because of their high reactivity, rapid kinetics, magnetic characteristics, and eco-friendliness. The primary drawbacks of Fe0 nanoparticles are their rapid oxidation and aggregation. In this study, novel TiO2-zeolite composites with different percentages of TiO2 were prepared and applied for Fe0 stabilization. The TiO2-zeolite composite was synthesized using the sonication of components, subsequently employing the hydrothermal technique. Iron nanoparticles were included into the TiO2-zeolite composite using the wet impregnation method followed by liquid-phase reduction. For comparative study with TiO2-zeolite-Fe nanoparticles, TiO2-Fe and zeolite-Fe nanoparticles were also prepared. The characterization of TiO2 and zeolite modified Fe nanoparticles were done by XRD, HRTEM, EDAX, FTIR and UV-visible spectroscopic techniques. The study evaluated the efficiency of prepared TiO2-Fe, zeolite-Fe and TiO2-zeolite-Fe nanoparticles to remove Cr(VI) from wastewater.

Keywords

Zero valent iron Nanoparticles TiO2 Zeolite Hexavalent chromium
Puthukkara, P. A. R., Jose, T. S., & Lal, S. D. (2025). TiO2-Zeolite Composite Modified Iron Nanoparticles for the Removal of Cr(VI) from Wastewater. Asian Journal of Chemistry, 37(3), 689–697. https://doi.org/10.14233/ajchem.2025.33262
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