A Zn(II) pillared-layer ultramicroporous metal-organic framework with matching molecular pockets for C2H2/CO2 separation

被引：0

作者：

Yang, Rong ^{[1
]}

Wang, Yu ^{[1
]}

Zhang, Tao ^{[1
]}

Xu, Zhen ^{[1
]}

Cao, Jian-Wei ^{[1
]}

Chen, Kai-Jie ^{[1
]}

机构：

[1] Northwestern Polytech Univ, Sch Chem & Chem Engn, Xian 710072, Shaanxi, Peoples R China

来源：

MOLECULAR SYSTEMS DESIGN & ENGINEERING | 2024年 / 9卷 / 07期

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

STEP ETHYLENE PURIFICATION; ACETYLENE;

D O I：

10.1039/d4me00066h

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Similar sizes and boiling points of acetylene (C2H2) and carbon dioxide (CO2) make CO2 separation from C2H2/CO2 mixtures challenging. In this work, a pillared-layer ultramicroporous Zn-mipa-datz material featuring a C2H2-matching cavity was successfully prepared to achieve high-efficiency C2H2/CO2 separation. The separation performance of Zn-mipa-datz on C2H2/CO2 mixtures was investigated through gas adsorption isotherms and dynamic breakthrough experiments. Zn-mipa-datz possessed high C2H2 separation efficiency for C2H2/CO2 mixtures. The molecular simulation demonstrated that the strong C2H2-host interaction was achieved by the synergistic effect of C-N electrostatic interactions and C-H center dot center dot center dot N H bonds.

引用

页码：724 / 728

页数：5

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