Performance of mesoporous magnesium oxide derived from various processes in treatment of wastewater contaminated with reactive dyes

Document Type : Review paper

Authors

1 Faculty of Chemical Engineering, Tabriz University of Technology, P. O. Box: 51335-1996, Tabriz, Iran.

2 Faculty of Chemical Engineering, Urmia University of Technology, P. O. Box: 57155-419, Urmia, Iran

10.30509/jscw.2025.167625.1255

Abstract

The widespread contamination of water resources by reactive dyes has emerged as a critical environmental concern, primarily due to the persistent toxicity, bioaccumulation in ecosystems, and adverse impacts on human health. The effluents discharged from textile industries are frequently contaminated with reactive dyes, owing to the extensive employment of these commercial materials in dyeing processes. Consequently, there is a critical need to remove reactive dyes from industrial wastewater before the discharge into the environment. Mesoporous magnesium oxide (MgO) nanoparticles exhibit a high affinity for reactive dyes in aqueous solutions, primarily due to electrostatic attraction facilitated by the positively charged surface. The current investigation aims to provide a comprehensive overview of practical methods for fabrication of mesoporous MgO. The most prominent production techniques include hydrothermal, sol-gel, precipitation, autoignition, and green synthesis using biological substrates. The study highlights in-situ, eco-friendly, and rapid production of mesoporous MgO nanoparticles by considering the adsorption capacity, operational parameters, and kinetics for the effective treatment of reactive dye-contaminated wastewater.

Keywords

Main Subjects

References

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Journal of Studies in Color World
Volume 16, Issue 1
May 2026
Pages 68-49

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  • Receive Date: 12 August 2025
  • Revise Date: 17 September 2025
  • Accept Date: 28 September 2025

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