Simple synthesis of floating Fe2O3/Luffa catalysts for the photo-Fenton degradation of methyl orange at near neutral pH

  • Nhu Le Thi Quynh Faculty of Chemistry, University of Science, Ho Chi Minh city, Vietnam; Faculty of Chemistry, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam https://orcid.org/0000-0002-8081-5570
  • Trang Ly Thi Quynh Faculty of Chemistry, University of Science, Ho Chi Minh city, Vietnam; Faculty of Chemistry, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam https://orcid.org/0009-0000-9659-9414
  • Nguyen Anh Tien Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
  • Nguyen Quoc Thiet Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 1B TL29 District 12, Ho Chi Minh City, Vietnam https://orcid.org/0000-0002-4396-0349
  • Tsai De-Hao Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC https://orcid.org/0000-0003-3151-1076
  • Le Tien Khoa Faculty of Chemistry, University of Science, Ho Chi Minh city, Vietnam; Faculty of Chemistry, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam https://orcid.org/0000-0003-0058-0298
Keywords: Photo-Fenton catalyst, Floating material, Fe2O3;, Luffa, Crystallinity

Abstract

Although widely used in the textile industry, methyl orange is considered one of the most toxic dyes, which have negative impacts on the aquatic environment and needs to be removed from water bodies. Hence, the present paper reports the synthesis of new floating photo-Fenton catalysts based on the immobilization of Fe2O3 nanoparticles on the surface of Luffa sponges for the oxalate-induced-degradation of methyl orange. The floating catalytic sponges were prepared through a simple precipitation method followed by a reflux heating process and then characterized by field emission scanning electron microscopy, X-ray diffraction, atomic absorption spectrometry, and nitrogen adsorption-desorption experiments. According to the experimental results, methyl orange was effectively degraded over our floating catalytic sponges under
light illumination at near neutral pH. The catalytic activity was also found to be enhanced with the increase in crystallinity of Fe2O3 nanoparticles, which can be achieved by the reflux heating. Besides, owing to the floating feature, these sponges are easily separated from the solution, thereby not forming a secondary source of pollution for water 

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Author Biographies

Nhu Le Thi Quynh, Faculty of Chemistry, University of Science, Ho Chi Minh city, Vietnam; Faculty of Chemistry, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam

4th year student, Faculty of
Chemistry, University of Science, Vietnam National
University (Ho Chi Minh City, Vietnam)

Trang Ly Thi Quynh, Faculty of Chemistry, University of Science, Ho Chi Minh city, Vietnam; Faculty of Chemistry, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam

3rd year student, Faculty of
Chemistry, University of Science, Vietnam National
University (Ho Chi Minh City, Vietnam)

Nguyen Anh Tien, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam

PhD in Chemistry, Chief of
Inorganic Chemistry Department, Ho Chi Minh City
University of Education Vietnam (Ho Chi Minh City,
Vietnam)

Nguyen Quoc Thiet, Institute of Applied Materials Science, Vietnam Academy of Science and Technology, 1B TL29 District 12, Ho Chi Minh City, Vietnam

PhD in Chemistry, Institute of
Applied Materials Science, Vietnam Academy of
Science and Technology (Ho Chi Minh City, Vietnam)

Tsai De-Hao, Department of Chemical Engineering, National Tsing Hua University, Hsinchu, Taiwan, ROC

PhD in Chemistry, Professor of
Department of Chemical Engineering, National Tsing
Hua University (Hsinchu, Taiwan, ROC)

Le Tien Khoa, Faculty of Chemistry, University of Science, Ho Chi Minh city, Vietnam; Faculty of Chemistry, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam

PhD in Chemistry, Chief of Inorganic
Chemistry Department, University of Science, Vietnam
National University (Ho Chi Minh City, Vietnam)

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Published
2024-01-31
How to Cite
Quynh, N. L. T., Thi Quynh, T. L., Anh Tien, N., Quoc Thiet, N., De-Hao, T., & Tien Khoa, L. (2024). Simple synthesis of floating Fe2O3/Luffa catalysts for the photo-Fenton degradation of methyl orange at near neutral pH. Kondensirovannye Sredy I Mezhfaznye Granitsy = Condensed Matter and Interphases, 26(1), 68-77. https://doi.org/10.17308/kcmf.2024.26/11813
Section
Original articles