Enhanced oxidation of rhodamine B using Mg-Cu-Al hydrotalcite/chitosan composites as catalysts

Authors

  • Nguyen Thi Nhu Institute of Environment, Vietnam Maritime University, Hai Phong, Vietnam Author
  • Le Nhu Quynh Institute of Environment, Vietnam Maritime University, Hai Phong, Vietnam Author
  • Vu Van Long Institute of Environment, Vietnam Maritime University, Hai Phong, Vietnam Author
  • Tran Van Chien Institute of Environment, Vietnam Maritime University, Hai Phong, Vietnam Author
  • Nguyen Thi Thuy Hoa Institute of Environment, Vietnam Maritime University, Hai Phong, Vietnam Author
  • Le Van Hieu Institute of Environment, Vietnam Maritime University, Hai Phong, Vietnam Author

DOI:

https://doi.org/10.62239/jca.2024.051

Keywords:

Chitosan, Oxidation, Mg-Cu-Al hydrotalcite, Rhodamine B, H2O2

Abstract

A series of Mg-Cu-Al hydrotalcite/chitosan materials have been synthesized via a co‑precipitation method, in which chitosan is synthesized from chitin extraction from waste shrimp shells. The obtained solids were characterized by XRD, BET, EDX, IR techniques. The materials have a well crystallized hydrotalcite structure and medium surface area. It was observed that Mg-Cu-Al hydrotalcite/chitosan catalysts exhibited the high activity in catalyzing enhanced oxidation of rhodamine B solution with H2O2. 95% of 100 mg/L of rhodamine B solution could be decolourized by Mg-Cu-Al hydrotalcite/chitosan composite with the presence of hydrogen peroxide at room temperature for 150 minutes. Therefore, Mg-Cu-Al  hydrotalcite/chitosan is a promising and reasonable catalyst for use in the enhanced oxidation of rhodamine B.

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Published

30-09-2024

Issue

Vol. 13 No. 3 (2024): September

Section

GSCE2024

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Copyright (c) 2024 Vietnam Journal of Catalysis and Adsorption

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

How to Cite

Enhanced oxidation of rhodamine B using Mg-Cu-Al hydrotalcite/chitosan composites as catalysts. (2024). Vietnam Journal of Catalysis and Adsorption, 13(3), 12-16. https://doi.org/10.62239/jca.2024.051
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