Microwave-activated carbon dioxide reforming of propane over Ni/TiO2 catalysts
- Authors: Tarasov A.L.1, Tkachenko O.P.1, Kirichenko O.A.1, Kustov L.M.1,2
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Affiliations:
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
- Department of Chemistry, M. V. Lomonosov Moscow State University
- Issue: Vol 65, No 12 (2016)
- Pages: 2820-2824
- Section: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/239513
- DOI: https://doi.org/10.1007/s11172-016-1662-y
- ID: 239513
Cite item
Abstract
The use of microwave activation in Ni/TiO2-catalyzed carbon dioxide reforming of propane increases the catalytic activity and significantly reduces the coke formation in comparison with conventional thermal heating. During microwave activated reaction, C2—C3 olefins were formed, apart from CO and H2, and the selectivity to olefins reached 6%. It was suggested that exposure to microwave radiation may induce local high-temperature heating of catalytically active phases and catalyst sites, which is not inherent in conventional heating. According to X-ray absorption spectroscopy (XAS = XANES + EXAFS), unlike conventional thermal heating in a hydrogen flow, on exposure to microwave radiation, the Ni2+ cations are partly reduced to Ni0.
About the authors
A. L. Tarasov
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: lmk@ioc.ac.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991
O. P. Tkachenko
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: lmk@ioc.ac.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991
O. A. Kirichenko
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences
Email: lmk@ioc.ac.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991
L. M. Kustov
N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences; Department of Chemistry, M. V. Lomonosov Moscow State University
Author for correspondence.
Email: lmk@ioc.ac.ru
Russian Federation, 47 Leninsky prosp., Moscow, 119991; Build. 3, 1 Leninskie gory, Moscow, 119992