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  Influence of preparation method and doping of zirconium oxide onto the material characteristics and catalytic activity for the HDO reaction in nickel on zirconium oxide catalysts

Pichler, C., Gu, D., Joshi, H., & Schüth, F. (2018). Influence of preparation method and doping of zirconium oxide onto the material characteristics and catalytic activity for the HDO reaction in nickel on zirconium oxide catalysts. Journal of Catalysis, 365(9), 367-375. doi:10.1016/j.jcat.2018.07.021.

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 Creators:
Pichler, Christian1, Author              
Gu, Dong2, Author              
Joshi, Hrishikesh1, Author              
Schüth, Ferdi1, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              
2The Institute for Advanced Studies, Wuhan University, Wuhan, Hubei 430072, PR China, ou_persistent22              

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Free keywords: Zirconium oxide; Surface casting; Hydrodeoxygenation; Oxygen vacancies; Lanthanum doping
 Abstract: Different Ni/ZrO2 catalysts were prepared and tested for the hydrodeoxygenation (HDO) reaction of guaiacol. It was shown that the preparation mode of the ZrO2 support has a significant influence on the catalytic results, as remaining elements like Si and Na from the preparation can change the material properties. The influence of Si and Na onto these material properties, which were especially surface acidity and oxygen vacancy concentration, could be clarified. It could be also rationalized, how the change of these properties affects the results of the HDO reaction. Furthermore, it was demonstrated that the oxygen vacancy concentration is an important factor for the catalytic performance, although this property has hardly been considered in the design of HDO catalysts so far. La doping was found to be an efficient strategy to tune the oxygen vacancy concentration, and by using this approach the catalytic performance of the catalyst could be improved remarkably.

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Language(s): eng - English
 Dates: 2018-02-192018-07-162018-07-312018-09-01
 Publication Status: Published in print
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.jcat.2018.07.021
 Degree: -

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Title: Journal of Catalysis
  Abbreviation : J. Catal.
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 365 (9) Sequence Number: - Start / End Page: 367 - 375 Identifier: ISSN: 0021-9517
CoNE: https://pure.mpg.de/cone/journals/resource/954922645027