The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
A molecular sieve with ultrafast adsorption kinetics for propylene separation
Abstract
The design of molecular sieves is vital for gas separation, but it suffers from a long-standing issue of slow adsorption kinetics due to the intrinsic contradiction between molecular sieving and diffusion within restricted nanopores. We report a molecular sieve ZU-609 with local sieving channels that feature molecular sieving gates and rapid diffusion channels. The precise cross-sectional cutoff of molecular sieving gates enables the exclusion of propane from propylene. The coexisting large channels constituted by sulfonic anions and helically arranged metal-organic architectures allow the fast adsorption kinetics of propylene, and the measured propylene diffusion coefficient in ZU-609 is one to two orders of magnitude higher than previous molecular sieves. Propylene with 99.9% purity is obtained through breakthrough experiments with a productivity of 32.2 L kg −1 .
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Cites
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Hydrocarbon Separations in a Metal-Organic Framework with Open Iron(II) Coordination Sites
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Pore chemistry and size control in hybrid porous materials for acetylene capture from ethylene
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Self-citationMetal–Organic Frameworks for Separation
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A metal-organic framework–based splitter for separating propylene from propane
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Ethane/ethylene separation in a metal-organic framework with iron-peroxo sites
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Data-driven design of metal–organic frameworks for wet flue gas CO2 capture
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Metadata
- Authors
- Cui, J., Zhang, Z., Yang, L., Hu, J., Jin, A., Yang, Z., Zhao, Y., Meng, B., Zhou, Y., Wang, J., Su, Y., Wang, J., Cui, X., & Xing, H.
- Venue
- Science
- Published
- 2024-01-12
- Volume
- 383
- Issue
- 6679
- Pages
- 179-183
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W4389767254
- Cited by
- 308
- References
- 48
- FWCI
- 22.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cui, J., Zhang, Z., Yang, L., Hu, J., Jin, A., Yang, Z., Zhao, Y., Meng, B., Zhou, Y., Wang, J., Su, Y., Wang, J., Cui, X., & Xing, H. (2024). A molecular sieve with ultrafast adsorption kinetics for propylene separation. Science. https://doi.org/10.1126/science.abn8418
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