Continuously adjustable, molecular-sieving “gate” on 5A zeolite for distinguishing small organic molecules by size
Abstract
Zeolites/molecular sieves with uniform, molecular-sized pores are important for many adsorption-based separation processes. Pore size gaps, however, exist in the current zeolite family. This leads to a great challenge of separating molecules with size differences at ~0.01 nm level. Here, we report a novel concept, pore misalignment, to form a continuously adjustable, molecular-sieving “gate” at the 5A zeolite pore entrance without sacrificing the internal capacity. Misalignment of the micropores of the alumina coating with the 5A zeolite pores was related with and facilely adjusted by the coating thickness. For the first time, organic molecules with sub-0.01 nm size differences were effectively distinguished via appropriate misalignment. Lastly, this novel concept may have great potential to fill the pore size gaps of the zeolite family and realize size-selective adsorption separation.
- Authors:
-
- Univ. of South Carolina, Columbia, SC (United States)
- Rochester Institute of Technology, Rochester, NY (United States)
- Gas Technology Institute, Des Plaines, IL (United States)
- Publication Date:
- Research Org.:
- Gas Technology Institute, Des Plaines, IL (United States)
- Sponsoring Org.:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- OSTI Identifier:
- 1326186
- Grant/Contract Number:
- AR0000247
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 5; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 42 ENGINEERING; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Song, Zhuonan, Huang, Yi, Xu, Weiwei L., Wang, Lei, Bao, Yu, Li, Shiguang, and Yu, Miao. Continuously adjustable, molecular-sieving “gate” on 5A zeolite for distinguishing small organic molecules by size. United States: N. p., 2015.
Web. doi:10.1038/srep13981.
Song, Zhuonan, Huang, Yi, Xu, Weiwei L., Wang, Lei, Bao, Yu, Li, Shiguang, & Yu, Miao. Continuously adjustable, molecular-sieving “gate” on 5A zeolite for distinguishing small organic molecules by size. United States. https://doi.org/10.1038/srep13981
Song, Zhuonan, Huang, Yi, Xu, Weiwei L., Wang, Lei, Bao, Yu, Li, Shiguang, and Yu, Miao. Fri .
"Continuously adjustable, molecular-sieving “gate” on 5A zeolite for distinguishing small organic molecules by size". United States. https://doi.org/10.1038/srep13981. https://www.osti.gov/servlets/purl/1326186.
@article{osti_1326186,
title = {Continuously adjustable, molecular-sieving “gate” on 5A zeolite for distinguishing small organic molecules by size},
author = {Song, Zhuonan and Huang, Yi and Xu, Weiwei L. and Wang, Lei and Bao, Yu and Li, Shiguang and Yu, Miao},
abstractNote = {Zeolites/molecular sieves with uniform, molecular-sized pores are important for many adsorption-based separation processes. Pore size gaps, however, exist in the current zeolite family. This leads to a great challenge of separating molecules with size differences at ~0.01 nm level. Here, we report a novel concept, pore misalignment, to form a continuously adjustable, molecular-sieving “gate” at the 5A zeolite pore entrance without sacrificing the internal capacity. Misalignment of the micropores of the alumina coating with the 5A zeolite pores was related with and facilely adjusted by the coating thickness. For the first time, organic molecules with sub-0.01 nm size differences were effectively distinguished via appropriate misalignment. Lastly, this novel concept may have great potential to fill the pore size gaps of the zeolite family and realize size-selective adsorption separation.},
doi = {10.1038/srep13981},
journal = {Scientific Reports},
number = ,
volume = 5,
place = {United States},
year = {Fri Sep 11 00:00:00 EDT 2015},
month = {Fri Sep 11 00:00:00 EDT 2015}
}
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Works referencing / citing this record:
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