期刊
ACS MATERIALS LETTERS
卷 4, 期 6, 页码 1227-1232出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsmaterialslett.2c00370
关键词
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资金
- Shenzhen Science and Technology Program [JCYJ20190809145615620, RCYX20200714114539243]
- National Natural Science Foundation of China [21901166, 22178119]
- Guangdong Na t u r a l Science Foundation [2019A1515010692]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0019902]
A new hydrogen-bonded organic framework (HIAM-102) has been reported for the preferential adsorption of C2H6 over C2H4. The framework can effectively separate C2H6 and C2H4 under highly humid conditions.
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 cm(3)/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 C2H6 over C2H4.
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