Cyclodextrin membranes prepared by interfacial polymerization for separation

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2024-05-14 DOI:10.1016/j.cej.2024.152165

Kai Zhang , Yanfei He , Yu Dai , Yongli Shi , Linji Li , Zhaoxin Zhang , Fan Xia , Xiaojin Zhang

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Abstract

Cyclodextrin has a unique hydrophobic cavity and hydrophilic outer surface. The membrane formed by cyclodextrin polymerization has high permeability to both polar and non-polar solvents. Through interfacial polymerization, cyclodextrins can be arranged in an orderly manner to form a membrane with well-defined sub-nanometre channels. In 2022, the sub-nanometre channels in cyclodextrin membranes were visualized, providing ample confidence for precise channel design and precise molecular sieving. This article reviews the development of cyclodextrin membranes in the past decade from the aspects of interfacial polymerization, classification, performance improvement, and application. The focus was on introducing methods to improve the selectivity, permeability, chemical stability, anti-fouling, and chlorine resistance of cyclodextrin membranes. Finally, some issues and development prospects in the application of cyclodextrin membranes were discussed. We hope this review can provide guidance for the development of high-performance membranes to meet the urgent need for sustainable separation.

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用界面聚合法制备用于分离的环糊精膜

环糊精具有独特的疏水空腔和亲水外表面。环糊精聚合形成的膜对极性和非极性溶剂都有很高的渗透性。通过界面聚合，环糊精可以有序排列，形成具有明确亚纳米通道的膜。2022 年，环糊精膜中的亚纳米通道实现了可视化，为精确的通道设计和精确的分子筛分提供了充分的信心。本文从界面聚合、分类、性能改进和应用等方面回顾了环糊精膜近十年来的发展。重点介绍了提高环糊精膜的选择性、渗透性、化学稳定性、抗污性和耐氯性的方法。最后，讨论了环糊精膜应用中的一些问题和发展前景。我们希望这篇综述能为开发高性能膜提供指导，以满足可持续分离的迫切需要。

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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.