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
收藏
页码：724 / 728
页数：5
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