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Because of their widespread industrial consumption, synthetic dyes have been a significant class of persistent organic chemicals that are frequently discovered in natural environments. It is thought that there are over one million dyes that exist for industrial usage. Numerous these compounds are recognized to be hazardous or malignant, and they are often found to be pollutants. The general population views colored industrial effluents as a sign of harmful contamination. As an aesthetic pollutant, colors are very noticeable even at very low levels. As a chemical pollutant, they alter marine life and the nutritional supply. Water contamination due to dyes has become a global issue, and treating wastewater before releasing it into the environment has gained priority. Dyes are challenging to cure because of their intricate origin and composition. It is common practice to employ a variety of chemical, biological, and physical methods in conjunction with one another to achieve the intended level of water quality. Nevertheless, more efficient, environmentally friendly, and industrially feasible elimination tactics and decolorization processes need to be developed. The deployment of biological substances as efficient dye-removal sorbents is an emerging area of research at present. The most frequently utilized biosorbents among all those identified are cross-linked chitosan-based hydrogels. Several preliminary studies have focused on these polymeric matrix structures. With a focus on hydrogels’ adsorption ability for dyes, this chapter showcases current breakthroughs in hydrogel alterations and their varieties. We additionally addressed the modified hydrogels’ associated removal mechanisms and regeneration methods using the contrasting approach. It provides a full summary of the research conducted by several authors on synthesis, composition, functioning, and pollutant removal mechanisms. Additionally, it offers a comprehensive analysis of the benefits and drawbacks associated with the utilization of hydrogels in the context of effluent treatment.

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Advances in Hydrogel-Based Materials for Efficient Dye Sorption and Remediation

  • 章节

  • 发表日期：

    2026年

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  • Manas Mishra,
  • Prabhat Kumar Patel

摘要

Because of their widespread industrial consumption, synthetic dyes have been a significant class of persistent organic chemicals that are frequently discovered in natural environments. It is thought that there are over one million dyes that exist for industrial usage. Numerous these compounds are recognized to be hazardous or malignant, and they are often found to be pollutants. The general population views colored industrial effluents as a sign of harmful contamination. As an aesthetic pollutant, colors are very noticeable even at very low levels. As a chemical pollutant, they alter marine life and the nutritional supply. Water contamination due to dyes has become a global issue, and treating wastewater before releasing it into the environment has gained priority. Dyes are challenging to cure because of their intricate origin and composition. It is common practice to employ a variety of chemical, biological, and physical methods in conjunction with one another to achieve the intended level of water quality. Nevertheless, more efficient, environmentally friendly, and industrially feasible elimination tactics and decolorization processes need to be developed. The deployment of biological substances as efficient dye-removal sorbents is an emerging area of research at present. The most frequently utilized biosorbents among all those identified are cross-linked chitosan-based hydrogels. Several preliminary studies have focused on these polymeric matrix structures. With a focus on hydrogels’ adsorption ability for dyes, this chapter showcases current breakthroughs in hydrogel alterations and their varieties. We additionally addressed the modified hydrogels’ associated removal mechanisms and regeneration methods using the contrasting approach. It provides a full summary of the research conducted by several authors on synthesis, composition, functioning, and pollutant removal mechanisms. Additionally, it offers a comprehensive analysis of the benefits and drawbacks associated with the utilization of hydrogels in the context of effluent treatment.