嵌入超微孔金属-有机框架纳米片的混合基质膜增强丙烯/丙烷分离

IF 3.8 3区工程技术 Q2 ENGINEERING, CHEMICAL

Industrial & Engineering Chemistry Research Pub Date : 2025-06-19 DOI:10.1021/acs.iecr.5c00833

Rimin You, Xiaobing Wang, Xiaofei Lu, Xian Suo, Liyuan Chen, Lifeng Yang, Huabin Xing, Xili Cui

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引用次数: 0

摘要

混合基质膜（MMMs）通过聚合物和无机填料的结合，在分离C3H6/C3H8方面表现出很大的前景，但填料团聚和相容性差等问题降低了性能。本文通过溶剂优化和填料形貌控制，制备了分散均匀的ZU-901纳米片，制备了高性能的cpl型mof /6FDA-DAM mm。在20 wt %的ZU-901负载下，选择性达到49.7（提高了309%），C3H6渗透率为84.5 Barrer，超过了2020年的上限，优于大多数mof基MMMs。相比之下，含有CPL-1和CPL-1- nh2的mmmm由于孔隙较大，界面相容性较差，选择性较低。该研究为通过精确调节填料分散和界面相容性实现高选择性C3H6/C3H8分离提供了有价值的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Mixed-Matrix Membranes Embedded with Ultramicroporous Metal–Organic Framework Nanosheets for Enhanced Propylene/Propane Separation

查看原文本刊更多论文

Mixed-Matrix Membranes Embedded with Ultramicroporous Metal–Organic Framework Nanosheets for Enhanced Propylene/Propane Separation

Mixed-matrix membranes (MMMs) show great promise for C₃H₆/C₃H₈ separation by combining polymers and inorganic fillers, but issues such as filler agglomeration and poor compatibility reduce performance. Herein, high-performing CPL-type MOFs/6FDA-DAM MMMs were developed with uniformly dispersed ZU-901 nanosheets achieved through solvent optimization and filler morphology control. At 20 wt % ZU-901 loading, the selectivity reached 49.7 (309% improvement) with a C₃H₆ permeability of 84.5 Barrer, exceeding the 2020 upper bound and outperforming most MOF-based MMMs. In contrast, MMMs with CPL-1 and CPL-1-NH₂ showed lower selectivity due to larger pores and poor interfacial compatibility. This study offers valuable insights into achieving highly selective C₃H₆/C₃H₈ separation by precisely regulating the filler dispersion and interfacial compatibility.

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来源期刊

Industrial & Engineering Chemistry Research 工程技术-工程：化工

CiteScore

7.40

自引率

7.10%

发文量

1467

审稿时长

2.8 months

期刊介绍： ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.