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<p>Chitosan (Cts) is an environmentally friendly natural polysaccharide with high biosorption capacity, making it a promising material for water purification. In general, Chitosan (Cts) is obtained from crustacean shells. Also, Chitosan (Cts) from fungal sources can perform similarly to those from crustacean shells. The purpose of this study is to purify water biologically, and it highlights the use of chitosan derived from mushrooms. Chitosan (Cts) was extracted from <i>Agaricus Bisporus</i> mushroom using chemical treatments, including demineralization, deproteinization, decolorization, and deacetylation. The obtained chitosan was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), and ultraviolet–visible spectroscopy (UV–Vis) analyses. The mushroom chitosan had a deacetylation degree (DD) of 92.21%. The adsorption and degradation performance of the produced chitosan was evaluated for two organic pollutant dyes, methylene blue (MB) and methyl orange (MO), under sunlight. The results showed a high MB removal efficiency of 98.56% after 330&#xa0;min, whereas MO exhibited a significantly lower degradation rate of 25.29% under identical experimental conditions. These findings also demonstrate that mushroom chitosan could be a promising, applicable, and sustainable water purification material for pollutant adsorption and an eco-friendly degradation technology, in addition to serving as an alternative to traditional chitosan sources.</p>

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Water remediation using mushroom-derived chitosan: extraction, characterization, and pollutant organic dye removal by adsorption

  • 期刊论文

  • 发表日期：

    2026年3月11日

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  • Kouadri Imane,
  • Ben Seghir Bachir,
  • Layachi Abdelheq,
  • Rebiai Abdelkrim,
  • Ben Amor Ilham,
  • Zeghoud Soumeia,
  • Hemmami Hadia

摘要

Chitosan (Cts) is an environmentally friendly natural polysaccharide with high biosorption capacity, making it a promising material for water purification. In general, Chitosan (Cts) is obtained from crustacean shells. Also, Chitosan (Cts) from fungal sources can perform similarly to those from crustacean shells. The purpose of this study is to purify water biologically, and it highlights the use of chitosan derived from mushrooms. Chitosan (Cts) was extracted from Agaricus Bisporus mushroom using chemical treatments, including demineralization, deproteinization, decolorization, and deacetylation. The obtained chitosan was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), and ultraviolet–visible spectroscopy (UV–Vis) analyses. The mushroom chitosan had a deacetylation degree (DD) of 92.21%. The adsorption and degradation performance of the produced chitosan was evaluated for two organic pollutant dyes, methylene blue (MB) and methyl orange (MO), under sunlight. The results showed a high MB removal efficiency of 98.56% after 330 min, whereas MO exhibited a significantly lower degradation rate of 25.29% under identical experimental conditions. These findings also demonstrate that mushroom chitosan could be a promising, applicable, and sustainable water purification material for pollutant adsorption and an eco-friendly degradation technology, in addition to serving as an alternative to traditional chitosan sources.