Long-chain nanocellulose-based aerogels for water treatment: strategies from fabrication towards modification

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2025-05-27 DOI:10.1016/j.cej.2025.164203

Jie Zhou , Zhengkun Luo , Yingwei Kou , Xiao Zhou , Xiaodong Li , Wei-xian Zhang , Zilong Deng

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引用次数: 0

Abstract

Long-chain nanocellulose (LNC)-based aerogels, synthesized from a family consist of cellulose nanofibers (CNF) and bacterial nanocellulose (BNC), have emerged as a next-generation solution for water treatment. These aerogels combine the structural superiority of conventional aerogels with the remarkable physicochemical properties of LNC, including high porosity, excellent mechanical strength and tunable surface chemistry. This integration enhances their removal efficiency and recyclability, making them highly applicable for water treatment. This review systematically explores the fabrication strategies, intrinsic properties, and characterization techniques of LNC-based aerogels, emphasizing their versatility in water purification applications. Special attention is paid to address the gaps that the current literature 1) lacks a comprehensive evaluation of surface modification and composite functionalization and 2) provides limited mechanistic insights into pollutants removal by LNC aerogels. Future research should focus on developing machine learning-guided nano-structural engineering for scalable synthesis of sustainable aerogels, synergistically integrated with life cycle assessment.

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水处理用长链纳米纤维素气凝胶：从制备到改性的策略

基于长链纳米纤维素（LNC）的气凝胶是由纤维素纳米纤维（CNF）和细菌纳米纤维素（BNC）组成的一个家族合成的，已经成为下一代水处理解决方案。这些气凝胶结合了传统气凝胶的结构优势和LNC显著的物理化学特性，包括高孔隙率、优异的机械强度和可调的表面化学。这种集成提高了它们的去除效率和可回收性，使它们非常适用于水处理。这篇综述系统地探讨了基于lncs的气凝胶的制造策略、内在性质和表征技术，强调了它们在水净化应用中的多功能性。特别注意解决当前文献中的空白：1)缺乏对表面改性和复合功能化的全面评估；2)对LNC气凝胶去除污染物的机理见解有限。未来的研究应侧重于开发机器学习引导的纳米结构工程，用于可扩展合成可持续气凝胶，并与生命周期评估协同集成。

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来源期刊

Chemical Engineering Journal 工程技术-工程：化工

CiteScore

21.70

自引率

9.30%

发文量

6781

审稿时长

2.4 months

期刊介绍： The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.