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February 27, 2026Avicenna Journal of Environmental Health EngineeringOpen Access

A Review of the Biological Decolorization of Synthetic Azo Dye From Textile Wastewater by Bacterial Strains

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Authors

ZEZahra EmadiShahrekord University of Medical SciencesMSMehraban SadeghiShahrekord University of Medical SciencesSFS. ForouzandehShahid Sadoughi University of Medical Sciences and Health Services

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Overview

A review finds biological methods effectively decolorize dyes in textile wastewater, suggesting eco-friendly solutions.

Key Points

  • This review aims to summarize the biological methods for removing synthetic azo dyes from textile wastewater using various bacterial strains.
  • Analyzed various methods for dye removal including biological, chemical, and physical techniques.
  • Reviewed the impact of operational parameters such as pH, temperature, and dye concentration on decolorization efficiency.
  • Discussed the roles of different bacterial strains in adsorbing and degrading synthetic azo dyes.
  • Biological methods, particularly using bacterial strains, are found to be cost-effective and environmentally friendly.
  • Optimal operational parameters significantly enhance the decolorization efficiency of azo dyes.
  • Chemical and physical methods were noted to be more expensive and require regeneration processes compared to biological approaches.

Cite This Study

Emadi et al. (2025) studied this question.

synapsesocial.com/papers/69a13550ed1d949a99abf1behttps://doi.org/10.34172/ajehe.5491
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  5. 5Elucidating the Multi-Enzymatic Mechanism of Bacterial Decolorization of Azo and Indigoid Dyes: An Integrated Study of Degradation Pathways and Molecular Docking2026