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September 17, 2026Discover EnvironmentOpen Access

Textile dye degradation technologies with mechanistic insights, kinetic modeling, and comparative performance analysis

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Authors

MRManvi RawatMJMurari Kumar JhaSRSumit Kumar Rai

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Overview

Review reveals incomplete mineralization and persistent mutagenicity across textile dye treatment systems, highlighting the superior efficacy of hybrid biological and advanced oxidation processes.

Key Points

  • Synthesize degradation mechanisms, kinetic models, and comparative efficiencies across textile dye classes to address incomplete mineralization and persistent transformation product toxicity.
  • Evaluated biological, chemical, and advanced oxidation degradation pathways across four major dye structural classes: azo, anthraquinone, triarylmethane, and phthalocyanine.
  • Assessed quantitative kinetic frameworks, including Haldane substrate-inhibition and Behnajady–Modirshahla–Ghanbery (BMG) models, alongside matrix interference from salts and organic matter.
  • Analyzed reactive radical speciation validated through electron paramagnetic resonance (EPR) spin-trapping and benchmarked toxicity outcomes across Ames, Daphnia magna, and zebrafish embryo assays.
  • Photocatalytic systems achieved 90% to 99% effluent decolorization under visible light, but post-treatment bioassays confirmed that non-mineralized transformation products such as aromatic amines maintained high mutagenicity.
  • Integrated sequential anaerobic–aerobic and bio-advanced oxidation systems achieved 85% to 97% total organic carbon (TOC) removal, outperforming standalone treatment technologies.
  • Common water matrix constituents, specifically chloride (10–100 mM) and humic acid (5–20 mg/L), significantly suppressed hydroxyl radical oxidation efficiency and hindered biological degradation rates.

Cite This Study

Rawat et al. (2026) studied this question.

synapsesocial.com/papers/6aabb7155f706d05830e5e27https://doi.org/10.1007/s44274-026-00979-8
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