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Surface-Modified Carbon Nanotubes Catalyze Oxidative Dehydrogenation of n -Butane
Open accessAbstract
Butenes and butadiene, which are useful intermediates for the synthesis of polymers and other compounds, are synthesized traditionally by oxidative dehydrogenation (ODH) of n -butane over complex metal oxides. Such catalysts require high O 2 /butane ratios to maintain the activity, which leads to unwanted product oxidation. We show that carbon nanotubes with modified surface functionality efficiently catalyze the oxidative dehydrogenation of n -butane to butenes, especially butadiene. For low O 2 /butane ratios, a high selectivity to alkenes was achieved for periods as long as 100 hours. This process is mildly catalyzed by ketonic C O groups and occurs via a combination of parallel and sequential oxidation steps. A small amount of phosphorus greatly improved the selectivity by suppressing the combustion of hydrocarbons.
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Cites
Generalized Gradient Approximation Made Simple
Perdew, J. P., Burke, K., & Ernzerhof, M. (1996) · Physical Review Letters · doi:10.1103/physrevlett.77.3865 · Cited by 215,824
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Reduced Graphene Oxide for Catalytic Oxidation of Aqueous Organic Pollutants
Sun, H., Liu, S., Zhou, G., Ang, H. M., Tadé, M. O., & Wang, S. (2012) · ACS Applied Materials & Interfaces · doi:10.1021/am301372d · Cited by 722
Electrocatalytic Oxygen Evolution at Surface-Oxidized Multiwall Carbon Nanotubes
Lu, X., Yim, W.-L., Suryanto, B. H. R., & Zhao, C. (2015) · Journal of the American Chemical Society · doi:10.1021/ja509879r · Cited by 594
Sun, H., Kwan, C., Suvorova, A., Ang, H. M., Tadé, M. O., & Wang, S. (2014) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2014.02.012 · Cited by 509
Metadata
- Authors
- Zhang, J., Liu, X., Blume, R., Zhang, A., Schlögl, R., & Su, D. S.
- Venue
- Science
- Published
- 2008-10-03
- Volume
- 322
- Issue
- 5898
- Pages
- 73-77
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1998135879
- Cited by
- 817
- References
- 1
- FWCI
- 16.78
- Type
- journal article
- Language
- en
- Open access
- green
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- Zhang, J., Liu, X., Blume, R., Zhang, A., Schlögl, R., & Su, D. S. (2008). Surface-Modified Carbon Nanotubes Catalyze Oxidative Dehydrogenation of n -Butane. Science. https://doi.org/10.1126/science.1161916
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
