ScienceAsia 51S (2023): 1-8 |doi:
10.2306/scienceasia1513-1874.2023.s012
Surface modification of magnetic nanoparticles for selective
adsorption of organic dyes: A mini-review
Supawitch Hoijanga, Supon Anantab,*,?
ABSTRACT: This review explores the development of magnetic nanoparticles as effective adsorbents for the selective
removal of anionic and cationic dyes from wastewater. The inherent magnetic separation feature of these adsorbents
allows for easy recovery and reuse. By employing surface modification techniques, the selectivity of these magnetic
nanoparticles can be enhanced through the incorporation of various surface modifiers. This review also highlights other
factors influencing the selectivity of magnetic adsorbents. Despite promising results in the literature, further research is
needed to address the limited studies on other pollutant types and to improve the selectivity of magnetic adsorbents for
specific dyes. This review also aims to provide a foundational framework for the future design of advanced magnetic
adsorbents in wastewater treatment applications.
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| a |
Department of Chemistry and the Texas Center for Superconductivity, University of Houston, Houston, TX
77204-5003 USA |
| b |
Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200 Thailand |
* Corresponding author, E-mail: suponananta@yahoo.com
Received 14 Mar 2025, Accepted 30 May 2025
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