Efficient separation of xylene isomers by using a robust calcium-based metal–organic framework through a synergetic thermodynamically and kinetically controlled mechanism
Abstract
Adsorptive separation of physically and chemically similar molecules and understanding the underlying host–guest interactions at the molecular level are of significant scientific and practical importance. Here we report the development of a novel calcium-based metal–organic framework, formulated as Ca3(Htcpp)2 (H4tcpp = 2,3,5,6-tetrakis(4-carboxyphenyl)-pyrazine) featuring microporosity and high stability. This compound shows distinct adsorption behavior toward xylene isomers and is capable of separating them efficiently at an industrially relevant temperature. The selective adsorption is attributed to a synergetic thermodynamic and kinetic effect. Here, the host–guest interactions were probed directly by single-crystal X-ray diffraction analysis and the adsorption affinity was evaluated through computational molecular simulations.
- Authors:
-
- Shenzhen Polytechnic, Guangdong (China)
- Wake Forest Univ., Winston-Salem, NC (United States)
- King Abdullah Univ. of Science and Technology, Thuwal (Saudi Arabia)
- PetroChina Petrochemical Research Inst., Beijing (China)
- Rutgers Univ., Piscataway, NJ (United States); Shenzhen Polytechnic, Guangdong (China)
- Publication Date:
- Research Org.:
- Wake Forest Univ., Winston-Salem, NC (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1863572
- Alternate Identifier(s):
- OSTI ID: 1830864
- Grant/Contract Number:
- SC0019902
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Materials Chemistry. A
- Additional Journal Information:
- Journal Volume: 9; Journal Issue: 46; Journal ID: ISSN 2050-7488
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Lin, Yuhan, Zhang, Jian, Pandey, Haardik, Dong, Xinglong, Gong, Qihan, Wang, Hao, Yu, Liang, Zhou, Kang, Yu, Wei, Huang, Xiaoxi, Thonhauser, Timo, Han, Yu, and Li, Jing. Efficient separation of xylene isomers by using a robust calcium-based metal–organic framework through a synergetic thermodynamically and kinetically controlled mechanism. United States: N. p., 2021.
Web. doi:10.1039/d1ta08055e.
Lin, Yuhan, Zhang, Jian, Pandey, Haardik, Dong, Xinglong, Gong, Qihan, Wang, Hao, Yu, Liang, Zhou, Kang, Yu, Wei, Huang, Xiaoxi, Thonhauser, Timo, Han, Yu, & Li, Jing. Efficient separation of xylene isomers by using a robust calcium-based metal–organic framework through a synergetic thermodynamically and kinetically controlled mechanism. United States. https://doi.org/10.1039/d1ta08055e
Lin, Yuhan, Zhang, Jian, Pandey, Haardik, Dong, Xinglong, Gong, Qihan, Wang, Hao, Yu, Liang, Zhou, Kang, Yu, Wei, Huang, Xiaoxi, Thonhauser, Timo, Han, Yu, and Li, Jing. Mon .
"Efficient separation of xylene isomers by using a robust calcium-based metal–organic framework through a synergetic thermodynamically and kinetically controlled mechanism". United States. https://doi.org/10.1039/d1ta08055e. https://www.osti.gov/servlets/purl/1863572.
@article{osti_1863572,
title = {Efficient separation of xylene isomers by using a robust calcium-based metal–organic framework through a synergetic thermodynamically and kinetically controlled mechanism},
author = {Lin, Yuhan and Zhang, Jian and Pandey, Haardik and Dong, Xinglong and Gong, Qihan and Wang, Hao and Yu, Liang and Zhou, Kang and Yu, Wei and Huang, Xiaoxi and Thonhauser, Timo and Han, Yu and Li, Jing},
abstractNote = {Adsorptive separation of physically and chemically similar molecules and understanding the underlying host–guest interactions at the molecular level are of significant scientific and practical importance. Here we report the development of a novel calcium-based metal–organic framework, formulated as Ca3(Htcpp)2 (H4tcpp = 2,3,5,6-tetrakis(4-carboxyphenyl)-pyrazine) featuring microporosity and high stability. This compound shows distinct adsorption behavior toward xylene isomers and is capable of separating them efficiently at an industrially relevant temperature. The selective adsorption is attributed to a synergetic thermodynamic and kinetic effect. Here, the host–guest interactions were probed directly by single-crystal X-ray diffraction analysis and the adsorption affinity was evaluated through computational molecular simulations.},
doi = {10.1039/d1ta08055e},
journal = {Journal of Materials Chemistry. A},
number = 46,
volume = 9,
place = {United States},
year = {Mon Jan 04 00:00:00 EST 2021},
month = {Mon Jan 04 00:00:00 EST 2021}
}
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