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Direct Conversion of Bio-ethanol to Isobutene on Nanosized ZnxZryOz Mixed Oxides with Balanced Acid–Base Sites
Abstract
We report the design and synthesis of nanosized Zn(x)Zr(y)O(z) mixed oxides for direct and high-yield conversion of bio-ethanol to isobutene (~83%). ZnO is addded to ZrO(2) to selectively passivate zirconia's strong Lewis acidic sites and weaken Brönsted acidic sites, while simultaneously introducing basicity. As a result, the undesired reactions of bio-ethanol dehydration and acetone polymerization/coking are suppressed. Instead, a surface basic site-catalyzed ethanol dehydrogenation to acetaldehyde, acetaldehyde to acetone conversion via a complex pathway including aldol-condensation/dehydrogenation, and a Brönsted acidic site-catalyzed acetone-to-isobutene reaction pathway dominates on the nanosized Zn(x)Zr(y)O(z) mixed oxide catalyst, leading to a highly selective process for direct conversion of bio-ethanol to isobutene.
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Citations
Cites
Ethanol for a Sustainable Energy Future
Goldemberg, J. (2007) · Science · doi:10.1126/science.1137013 · Cited by 1,423
Cited by
Catalytic fast pyrolysis of lignocellulosic biomass
Liu, C., Wang, H., Karim, A. M., Sun, J., & Wang, Y. (2014) · Chem. Soc. Rev. · doi:10.1039/c3cs60414d · Cited by 1,117
Self-citationRecent Advances in Catalytic Conversion of Ethanol to Chemicals
Sun, J., & Wang, Y. (2014) · ACS Catalysis · doi:10.1021/cs4011343 · Cited by 677
Self-citationEfficient 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
the alcohol-to-jet conversion pathway for drop-in biofuels: techno-economic evaluation
Geleynse, S., Brandt, K., Garcia‐Perez, M., Wolcott, M., & Zhang, X. (2018) · ChemSusChem · doi:10.1002/cssc.201801690 · Cited by 250
Dagle, V. L., Lopez, J. S., Cooper, A., Luecke, J., Swita, M., Dagle, R. A., & Gaspar, D. (2020) · Fuel · doi:10.1016/j.fuel.2020.118147 · Cited by 27
Metadata
- Authors
- Sun, J., Zhu, K., Gao, F., Wang, C., Liu, J., Peden, C. H. F., & Wang, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-07-01
- Volume
- 133
- Issue
- 29
- Pages
- 11096-11099
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2029734272
- Cited by
- 248
- References
- 1
- FWCI
- 6.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, J., Zhu, K., Gao, F., Wang, C., Liu, J., Peden, C. H. F., & Wang, Y. (2011). Direct Conversion of Bio-ethanol to Isobutene on Nanosized ZnxZryOz Mixed Oxides with Balanced Acid–Base Sites. Journal of the American Chemical Society. https://doi.org/10.1021/ja204235v
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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