Advancing wastewater treatment: chitin and derivatives for PPCP contaminant mitigation

IF 3.1 3区化学 Q2 POLYMER SCIENCE

Polymer Bulletin Pub Date : 2024-07-18 DOI:10.1007/s00289-024-05429-0

P. V. Atheena, Renuka Basawa, Ritu Raval

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Abstract

There is a growing threat of wastewater pollution impacting human access to clean water. The surge in pharmaceuticals and personal care products (PPCPs) in such water has reached alarming levels, posing an unprecedented threat to aquatic ecosystems and human health. Conventional wastewater treatment is not specifically tailored to address the presence of PPCPs. This paper examines the possibility of using nano-chitin and chitosan as effective and sustainable adsorbents for the removal of PPCPs from wastewater. The recent progress in functionalized nano-chitin or chitosan composites is reviewed with attention to enhanced adsorption capacity and selectivity toward different classes of PPCPs. Unique features of nano-chitin and chitosan, such as their large surface areas and biocompatibility making them a good choice for PPCP adsorption, are also discussed. Critical evaluation is given about how these nanomaterials absorb PPCPs by looking at various mechanisms like electrostatic interactions, hydrogen bonding, hydrophobic interaction, among others. Finally, future research directions provided for improving performance and scalability of such bio-based adsorbents are discussed.

Graphical Abstract

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推进废水处理：甲壳素及其衍生物用于减轻 PPCP 污染物的影响

废水污染对人类获取清洁水的威胁日益严重。药品和个人护理产品 (PPCPs) 在废水中的含量激增，已达到令人震惊的程度，对水生生态系统和人类健康构成了前所未有的威胁。传统的废水处理方法并非专门针对 PPCPs 的存在。本文探讨了使用纳米甲壳素和壳聚糖作为有效、可持续的吸附剂来去除废水中的 PPCPs 的可能性。本文回顾了功能化纳米甲壳素或壳聚糖复合材料的最新进展，并重点介绍了如何提高对不同类别 PPCPs 的吸附能力和选择性。此外，还讨论了纳米甲壳素和壳聚糖的独特功能，如大表面积和生物相容性，使其成为吸附 PPCP 的良好选择。通过研究静电相互作用、氢键、疏水相互作用等各种机制，对这些纳米材料如何吸附 PPCP 进行了严格的评估。最后，还讨论了未来的研究方向，以提高这类生物基吸附剂的性能和可扩展性。

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来源期刊

Polymer Bulletin 化学-高分子科学

CiteScore

6.00

自引率

6.20%

发文量

审稿时长

5.5 months

期刊介绍： "Polymer Bulletin" is a comprehensive academic journal on polymer science founded in 1988. It was founded under the initiative of the late Mr. Wang Baoren, a famous Chinese chemist and educator. This journal is co-sponsored by the Chinese Chemical Society, the Institute of Chemistry, and the Chinese Academy of Sciences and is supervised by the China Association for Science and Technology. It is a core journal and is publicly distributed at home and abroad. "Polymer Bulletin" is a monthly magazine with multiple columns, including a project application guide, outlook, review, research papers, highlight reviews, polymer education and teaching, information sharing, interviews, polymer science popularization, etc. The journal is included in the CSCD Chinese Science Citation Database. It serves as the source journal for Chinese scientific and technological paper statistics and the source journal of Peking University's "Overview of Chinese Core Journals."