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<p>The discharge of textile dyes into aquatic ecosystems poses severe environmental and health risks due to their toxic, carcinogenic, mutagenic, and persistent nature. These pollutants inhibit photosynthesis, disrupt aquatic biodiversity, and can bio-accumulate in food chains. These harmful impacts highlight the urgency of developing effective remediation strategies. Adsorption has emerged as a prominent technique for wastewater treatment. Surface-functionalized chitin and chitosan bio-polymeric composites (offering exceptional potential owing to their biocompatibility, tunability, and high affinity for dyes) are crucial in the adsorption of deleterious organic dyes from polluted aqueous systems. Chemical modifications such as cross-linking, grafting, and composite formation with carbon-based materials and clay or magnetic particles. These functionalizations optimize electrostatic interactions, hydrogen bonding, and π–π stacking with dye molecules, enabling efficient sequestration of diverse dyes. This review critically assesses the efficacy of functionalized chitin/chitosan composites in adsorbing textile dyes, highlighting advances in material design, adsorption mechanisms, and performance metrics. This review addresses challenges such as pH sensitivity, scalability, and regeneration, while proposing future directions for sustainable adsorbent development. By integrating material innovation with environmental considerations, this work aims to guide the efficient synthesis of adsorbent and scalable solutions for dye pollution mitigation, emphasizing the synergy between adsorption science and ecological safety.</p><p><b>Research Highlights</b></p><p><UnorderedList Mark="Bullet"> <ItemContent> <p>Toxicity of textile dyes and their diverse environmental issues to living organism.</p> </ItemContent> <ItemContent> <p>Surface modification of chitin/chitosan.</p> </ItemContent> <ItemContent> <p>Adsorptive remediation textile dyes from industrial wastewater by chitin/chitosan biomaterials.</p> </ItemContent> <ItemContent> <p>Conclusion and future prospective of chitin/chitosan biomaterials.</p> </ItemContent> </UnorderedList></p>

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Recent advances in textile dye remediation: a critical analysis of chitin and chitosan-based adsorbents

  • 期刊论文

  • 发表日期：

    2025年12月29日

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  • Mansoor Sultan,
  • Muhammad Naseem,
  • Mazharul Islam,
  • Abdul Kareem,
  • Nisar Ali,
  • Farman Ali,
  • Adnan Khan,
  • Rayya Ahmed Al Balushi,
  • Mohammad M. Al-Hinaai,
  • Thuraya Al-Harthy,
  • Aftab Ahmad

摘要

The discharge of textile dyes into aquatic ecosystems poses severe environmental and health risks due to their toxic, carcinogenic, mutagenic, and persistent nature. These pollutants inhibit photosynthesis, disrupt aquatic biodiversity, and can bio-accumulate in food chains. These harmful impacts highlight the urgency of developing effective remediation strategies. Adsorption has emerged as a prominent technique for wastewater treatment. Surface-functionalized chitin and chitosan bio-polymeric composites (offering exceptional potential owing to their biocompatibility, tunability, and high affinity for dyes) are crucial in the adsorption of deleterious organic dyes from polluted aqueous systems. Chemical modifications such as cross-linking, grafting, and composite formation with carbon-based materials and clay or magnetic particles. These functionalizations optimize electrostatic interactions, hydrogen bonding, and π–π stacking with dye molecules, enabling efficient sequestration of diverse dyes. This review critically assesses the efficacy of functionalized chitin/chitosan composites in adsorbing textile dyes, highlighting advances in material design, adsorption mechanisms, and performance metrics. This review addresses challenges such as pH sensitivity, scalability, and regeneration, while proposing future directions for sustainable adsorbent development. By integrating material innovation with environmental considerations, this work aims to guide the efficient synthesis of adsorbent and scalable solutions for dye pollution mitigation, emphasizing the synergy between adsorption science and ecological safety.

Research Highlights

Toxicity of textile dyes and their diverse environmental issues to living organism.

Surface modification of chitin/chitosan.

Adsorptive remediation textile dyes from industrial wastewater by chitin/chitosan biomaterials.

Conclusion and future prospective of chitin/chitosan biomaterials.