Chitosan-Based Materials for Water and Wastewater Treatment

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 10 January 2025 | Viewed by 475

Special Issue Editor


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Guest Editor
Key Laboratory of Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China
Interests: groundwater treatment; adsorption; catalysis; arsenic removal; water treatment residuals; functional materials for water treatment
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Special Issue Information

Dear Colleagues,

Chitosan is a natural polymer from organic matter with characteristics such as supplying abundant raw material, non-toxicity, and easy biodegradation. Its good properties of flocculation, chelation, and ion exchange give chitosan and its derivatives unique advantages in water and wastewater treatment. With the continuous intensification of research on chitosan and its derivatives, especially the synthesis of a large number of high-performance types of modified chitosan and the use of combined processes, chitosan and its derivatives are playing an increasingly important role in water and wastewater treatment. This Special Issue will concentrate on highlighting timely research including the latest advances in the synthesis and characterization of chitosan-based functional materials and their applications in flocculation, adsorption, membrane filtration, and so on in water and wastewater treatment. Original research articles and reviews are welcomed. Potential topics include, but are not limited to, the following:

  • Synthesis of chitosan-based materials;
  • Characterization of chitosan-based materials;
  • Chitosan-based coagulants for water and wastewater treatment;
  • Chitosan-based adsorbents for water and wastewater treatment;
  • Chitosan-based membranes for water and wastewater treatment;
  • Chitosan-based materials in biological processes for water and wastewater treatment.

Dr. Huiping Zeng
Guest Editor

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Keywords

  • chitosan
  • water and wastewater treatment
  • adsorption
  • ion exchange
  • flocculation
  • chelation

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Published Papers (1 paper)

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Research

20 pages, 3292 KiB  
Article
Sb(III) Removal by Granular Adsorbent Synthesized with Iron-Containing Water Treatment Residuals and Chitosan
by Huiping Zeng, Yuwei Zeng, He Xu, Siqi Sun, Jie Zhang and Dong Li
Polymers 2024, 16(22), 3214; https://doi.org/10.3390/polym16223214 - 20 Nov 2024
Viewed by 274
Abstract
In this study, chitosan and iron-containing water treatment residues were used to prepare a chitosan/Fe-sludge particle adsorbent (CHFS) via the embedding method for Sb(III) removal. Various technologies were applied to characterize the CHFS, and batch experiments were used to investigate its adsorption properties. [...] Read more.
In this study, chitosan and iron-containing water treatment residues were used to prepare a chitosan/Fe-sludge particle adsorbent (CHFS) via the embedding method for Sb(III) removal. Various technologies were applied to characterize the CHFS, and batch experiments were used to investigate its adsorption properties. The results show that CHFS adsorbents are amorphous and have a specific surface area (119.95 m2/g), both beneficial for adsorption. pH and ionic strength have no impact on the adsorption. Sb(III) adsorption on CHFS occurs spontaneously and endothermically. Sb(III) adsorption by CHFS matches the pseudo-second-order kinetic model and the Langmuir model better, with a maximum adsorption capacity of 24.38 mg/g. The primary adsorption mechanism for Sb(III) is the inner sphere complexation between the Sb and Fe–O bond, while other adsorption mechanisms include chelation, pore filling, and hydrogen bonding. This study offers a reference for antimony removal and resource utilization of iron sludge. Full article
(This article belongs to the Special Issue Chitosan-Based Materials for Water and Wastewater Treatment)
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