A Microporous Metal-Organic Framework with Channels Constructed from Nonpolar Aromatic Rings for the Selective Separation of Ethane/Ethylene Mixtures

被引：5
作者：
Liu, Lizhen [1 ]
Bo, Yiyang [1 ]
Zhuang, Weitang [1 ]
Xie, Zhixuan [2 ]
Yang, Yisi [2 ]
Lin, Quanjie [2 ]
Chen, Dinggui [1 ]
Yao, Zizhu [2 ]
Xiang, Shengchang [2 ]
机构：
[1] Fujian Univ Technol, Dept Mat Sci & Engn, Key Lab Polymer Mat & Prod Univ Fujian, Fuzhou 350108, Fujian, Peoples R China
[2] Fujian Normal Univ, Coll Chem & Mat Sci, Fujian Prov Key Lab Polymer Mat, Fuzhou 350007, Peoples R China
来源：
CHEMPLUSCHEM | 2022年 / 87卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ethane; ethylene separation; ethane-selective MOF; gas adsorption; metal-organic frameworks; nonpolar channels; ADSORPTION; ETHANE; ETHYLENE; MOF; CRACKING; PROGRAM; STEAM; C2H2; CO2;
D O I：
10.1002/cplu.202100482
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The separation of ethane and ethylene is an important segment in the purification of chemical raw materials in industrial production. However, due to their similar physical and chemical properties, the separation of C2H6/C2H4 is challenging. Herein, we report the selective adsorption of ethane over ethylene by a microporous metal-organic framework with nonpolar aromatic rings constructed channels, [Co-1.5(TATB)(H2O)(0.5)] . 5DMA . 3H(2)O (Co-TATB, H(3)TATB=4,4',4''-(s-triazine-2,4,6-triyl) tribenzoic acid). This compound showed a higher ethane capacity than that of ethylene, and a low adsorption enthalpy of ethane only of 19.4 kJ mol(-1). Further, the dynamic breakthrough experimental confirmed that Co-TATB can selectively adsorb ethane from ethane/ethylene separation.
引用
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页数：7
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