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- Title
A Microporous Metal‐Organic Framework with Channels Constructed from Nonpolar Aromatic Rings for the Selective Separation of Ethane/Ethylene Mixtures.
- Authors
Liu, Lizhen; Bo, Yiyang; Zhuang, Weitang; Xie, Zhixuan; Yang, Yisi; Lin, Quanjie; Chen, Dinggui; Yao, Zizhu; Xiang, Shengchang
- Abstract
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, [Co1.5(TATB)(H2O)0.5] ⋅ 5DMA ⋅ 3H2O (Co‐TATB, H3TATB=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.
- Subjects
METAL-organic frameworks; ETHANES; CHEMICAL purification; ETHYLENE; CHEMICAL properties; GAS absorption &; adsorption
- Publication
ChemPlusChem, 2022, Vol 87, Issue 3, p1
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.202100482