DataVXACS Materials LettersPaper
journal article·2022-06-06Open access

A Water-Resistant Hydrogen-Bonded Organic Framework for Ethane/Ethylene Separation in Humid Environments

Jiaqi Liu, Jiafeng Miao, Saif Ullah, Kang Zhou, Liang Yu, Hao Wang, Yongfei Wang, Timo Thonhauser, Jing Li

ACS Materials Letters· Volume 4· Issue 6
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Source abstract

Abstract

The separation of ethane (C2H6) and ethylene (C2H4) represents a crucial process for the production of polymer-grade C2H4, and adsorptive separation holds enormous promise for this industrially important but challenging task. Here, we report a new hydrogen-bonded organic framework (HIAM-102) with suitable channel and superhydrophobicity for preferential adsorption of C2H6 over C2H4. HIAM-102 shows a C2H6/C2H4 IAST selectivity of 1.9 and C2H6 uptake of 48.25 cm3/g at 1 bar and 298 K. Benefitting from the hydrophobic pore surface, it can well-separate C2H6 and C2H4 under highly humid conditions, as confirmed by experimental column breakthrough measurements. Computational calculations provide additional support for the experimental observations that the nonpolar channel of HIAM-102 interact favorably with C2H6 over C2H4.
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Research context

Polymers

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Covalent Organic Framework Applications · Membrane Separation and Gas Transport

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic,7098 Liuxian Boulevard, Shenzhen, Guangdong 518055, People’s Republic of China

Department of Physics and Center for Functional Materials, Wake Forest University, Winston-Salem, North Carolina 27109, United States

Key Laboratory for Functional Material, School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, People’s Republic of China

Department of Chemistry and Chemical Biology, Rutgers University, 123 Bevier Road, Piscataway, New Jersey 08854, United States

Funding

Basic Energy Sciences · Science, Technology and Innovation Commission of Shenzhen Municipality · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province

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