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Proceeding Paper

Chitosan-Based Biosorption: A Sustainable Approach for Heavy Metal Removal from Wastewater †

by
Imane Lansari
1,*,
Khadidja Tizaoui
2 and
Belkacem Benguella
1
1
Inorganic Chemistry and Environment Laboratory, University of Tlemcen, Tlemcen 13000, Algeria
2
Laboratory of Materials Chemistry, Catalysis and Environment, Faculty of Chemistry USTHB El Alia, Algiers 16111, Algeria
*
Author to whom correspondence should be addressed.
†
Presented at the 29th International Electronic Conference on Synthetic Organic Chemistry, 14–28 November 2025; Available online: https://sciforum.net/event/ecsoc-29.
Chem. Proc. 2025, 18(1), 37; https://doi.org/10.3390/ecsoc-29-26919
Published: 28 November 2025
(This article belongs to the Proceedings of The 29th International Electronic Conference on Synthetic Organic Chemistry)
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Abstract

This study investigates the application of natural chitosan as an efficient adsorbent for the removal of heavy metals from aqueous solutions. Experimental results showed that Mn(II), Co(II), and Ni(II) ions were effectively retained on the chitosan surface. Kinetic analysis revealed a preferential adsorption order of Co(II) > Mn(II) > Ni(II), following a pseudo-second-order model with rapid kinetics. Equilibrium adsorption capacities were influenced by initial concentration, temperature, and pH. Thermodynamic analysis indicated that the adsorption process was exothermic and physical in nature. Overall, chitosan proved to be a promising and cost-effective adsorbent for water decontamination.
Keywords: chitosan; heavy metals; wastewater; adsorption chitosan; heavy metals; wastewater; adsorption

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MDPI and ACS Style

Lansari, I.; Tizaoui, K.; Benguella, B. Chitosan-Based Biosorption: A Sustainable Approach for Heavy Metal Removal from Wastewater. Chem. Proc. 2025, 18, 37. https://doi.org/10.3390/ecsoc-29-26919

AMA Style

Lansari I, Tizaoui K, Benguella B. Chitosan-Based Biosorption: A Sustainable Approach for Heavy Metal Removal from Wastewater. Chemistry Proceedings. 2025; 18(1):37. https://doi.org/10.3390/ecsoc-29-26919

Chicago/Turabian Style

Lansari, Imane, Khadidja Tizaoui, and Belkacem Benguella. 2025. "Chitosan-Based Biosorption: A Sustainable Approach for Heavy Metal Removal from Wastewater" Chemistry Proceedings 18, no. 1: 37. https://doi.org/10.3390/ecsoc-29-26919

APA Style

Lansari, I., Tizaoui, K., & Benguella, B. (2025). Chitosan-Based Biosorption: A Sustainable Approach for Heavy Metal Removal from Wastewater. Chemistry Proceedings, 18(1), 37. https://doi.org/10.3390/ecsoc-29-26919

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