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Boosting the activity of a Au/CeO2/Al2O3 catalysts for the WGS reaction

Ramirez Reina, T, Ivanova, S, Centeno, MA and Odriozola, JA (2015) Boosting the activity of a Au/CeO2/Al2O3 catalysts for the WGS reaction Catalysis Today, 253. pp. 149-154.

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Herein a strategy to design highly efficient Au/CeO2/Al2O3 based WGS catalysts is proposed. The inclusion of transition metals, namely Fe, Cu and Zn as CeO2 dopant is considered. All the promoters successfully increased the WGS performance of the undoped sample. The activity improvement can be correlated to structural and/or redox features induced by the dopants. The comparative characterization of the doped samples by means of XRD, Raman spectroscopy and OSC evaluation permits an accurate understanding of the boosted WGS activity arising from the Ce-promoter interaction. This study establishes distinction among both, structural and redox sources of promotion and provides a useful strategy to develop highly active Au/CeO2 based catalysts for the WGS reaction.

Item Type: Article
Subjects : Chemical and Process Engineering
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
Ramirez Reina, T
Ivanova, S
Centeno, MA
Odriozola, JA
Date : 15 September 2015
DOI : 10.1016/j.cattod.2015.01.041
Copyright Disclaimer : © 2015 Elsevier B.V. All rights reserved.
Depositing User : Symplectic Elements
Date Deposited : 13 Sep 2016 08:41
Last Modified : 31 Oct 2017 18:41

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