Controllable Design of Polyamide Composite Membrane Separation Layer Structures via Metal-Organic Frameworks: A Review.

IF 3.3 4区工程技术 Q2 CHEMISTRY, PHYSICAL

Membranes Pub Date : 2024-09-21 DOI:10.3390/membranes14090201

Yanjun Jia, Xiaowen Huo, Lu Gao, Wei Shao, Na Chang

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Abstract

Optimizing the structure of the polyamide (PA) layer to improve the separation performance of PA thin-film composite (TFC) membranes has always been a hot topic in the field of membrane preparation. As novel crystalline materials with high porosity, multi-functional groups, and good compatibility with membrane substrate, metal-organic frameworks (MOFs) have been introduced in the past decade for the modification of the PA structure in order to break through the separation trade-off between permeability and selectivity. This review begins by summarizing the recent progress in the control of MOF-based thin-film nanocomposite (TFN) membrane structures. The review also covers different strategies used for preparing TFN membranes. Additionally, it discusses the mechanisms behind how these strategies regulate the structure and properties of PA. Finally, the design of a competent MOF material that is suitable to reach the requirements for the fabrication of TFN membranes is also discussed. The aim of this paper is to provide key insights into the precise control of TFN-PA structures based on MOFs.

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通过金属有机框架实现聚酰胺复合膜分离层结构的可控设计：综述。

优化聚酰胺（PA）层结构以提高 PA 薄膜复合膜（TFC）的分离性能一直是膜制备领域的热门话题。作为具有高孔隙率、多功能基团以及与膜基质良好相容性的新型晶体材料，金属有机框架（MOFs）在过去十年中被引入到聚酰胺结构的改性中，以突破渗透性和选择性之间的分离权衡。本综述首先总结了在控制基于 MOF 的薄膜纳米复合（TFN）膜结构方面的最新进展。综述还涵盖了用于制备 TFN 膜的不同策略。此外，它还讨论了这些策略如何调节 PA 结构和性能背后的机制。最后，还讨论了如何设计出适合达到 TFN 膜制造要求的 MOF 材料。本文旨在为基于 MOFs 的 TFN-PA 结构的精确控制提供重要见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Membranes Chemical Engineering-Filtration and Separation

CiteScore

6.10

自引率

16.70%

发文量

1071

审稿时长

11 weeks

期刊介绍： Membranes (ISSN 2077-0375) is an international, peer-reviewed open access journal of separation science and technology. It publishes reviews, research articles, communications and technical notes. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided.