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Mesoporous Beta Zeolite-Supported Ruthenium Nanoparticles for Selective Conversion of Synthesis Gas to C5–C11Isoparaffins
Abstract
Mesoporous beta (meso-beta) zeolites prepared by post-treatment of H-beta with NaOH aqueous solution were studied as supports of Ru catalysts for Fischer–Tropsch (FT) synthesis. The size and volume of the mesopores increased with the concentration of NaOH. The Brønsted acidity declined because Na + ions were exchanged into the meso-beta during the post-treatment, and a further ion exchange of the meso-beta with NH 4 + followed by calcination, forming H-meso-beta, could recover the Brønsted acidity. The use of H-meso-beta or meso-beta instead of H-beta or Na-beta as the support for FT synthesis decreased the selectivities to CH 4 and heavier hydrocarbons (C 12 + ) and increased that to C 5 –C 11 hydrocarbons. The C 5 –C 11 selectivity depended on the concentration of NaOH used for meso-beta preparation. Under an optimum NaOH concentration, a C 5 –C 11 selectivity of 77%, significantly higher than the maximum expected from Anderson–Schulz–Flory distribution (∼45%), was attained with a ratio of isoparaffins to n -paraffins being 2.7. The mesoporosity and the unique acidity of the meso-beta probably contribute to the selective hydrocracking of the primary heavier hydrocarbons formed on Ru nanoparticles into gasoline-range liquid fuels.
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Citations
Cites
Design of hierarchical zeolite catalysts by desilication
Verboekend, D., & Pérez-Ramírez, J. (2011) · Catalysis Science & Technology · doi:10.1039/c1cy00150g · Cited by 712
Characterization of nanocrystalline zeolite Beta
Camblor, M. A., Corma, A., & Valencia, S. (1998) · Microporous and Mesoporous Materials · doi:10.1016/s1387-1811(98)00172-3 · Cited by 456
Cited by
Sun, M.-H., Huang, S.-Z., Chen, L.-H., Li, Y., Yang, X.-Y., Yuan, Z.-Y., & Su, B.-L. (2016) · Chemical Society Reviews · doi:10.1039/c6cs00135a · Cited by 1,454
Self-citationHierarchically Structured Zeolites: From Design to Application
Chen, L.-H., Sun, M.-H., Wang, Z., Yang, W., Xie, Z., & Su, B.-L. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00016 · Cited by 724
Pan, X., Jiao, F., Miao, D., & Bao, X. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c01012 · Cited by 423
Significant Advances in C1 Catalysis: Highly Efficient Catalysts and Catalytic Reactions
Bao, J., Yang, G., Yoneyama, Y., & Tsubaki, N. (2019) · ACS Catalysis · doi:10.1021/acscatal.8b03924 · Cited by 367
Efficient valorization of biomass to biofuels with bifunctional solid catalytic materials
Li, H., Fang, Z., Smith, R. L., & Yang, S. (2016) · Progress in Energy and Combustion Science · doi:10.1016/j.pecs.2016.04.004 · Cited by 284
Metadata
- Authors
- Cheng, K., Kang, J., Huang, S., You, Z., Zhang, Q., Ding, J., Hua, W., Lou, Y., Deng, W., & Wang, Y.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-02-22
- Volume
- 2
- Issue
- 3
- Pages
- 441-449
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2331717807
- Cited by
- 174
- References
- 2
- FWCI
- 7.18
- Type
- journal article
- Language
- en
- Open access
- closed
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- Cheng, K., Kang, J., Huang, S., You, Z., Zhang, Q., Ding, J., Hua, W., Lou, Y., Deng, W., & Wang, Y. (2012). Mesoporous Beta Zeolite-Supported Ruthenium Nanoparticles for Selective Conversion of Synthesis Gas to C5–C11Isoparaffins. ACS Catalysis. https://doi.org/10.1021/cs200670j
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