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Catalytic screening of Au/CeO2-MOx/Al2O3 catalysts (M= La,Ni,Cu,Fe,Cr,Y) in the CO-PrOx reaction

Ramirez Reina, T, Ivanova, S, Centeno, MA and Odriozola, JA (2015) Catalytic screening of Au/CeO2-MOx/Al2O3 catalysts (M= La,Ni,Cu,Fe,Cr,Y) in the CO-PrOx reaction International Journal of Hydrogen Energy, 40 (4). pp. 1782-1788.

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Abstract

In this work, a series of Au/CeO2-MOx/Al2O3 catalysts has been prepared and evaluated in the PrOx reaction. Within the series of dopants Fe and Cu containing samples enhanced the catalytic performance of the parent Au/CeO2/Al2O3 catalyst being copper the most efficient promoter. For both samples an enhanced oxygen storage capacity (OSC) is registered and accounts for the high CO oxidation activity. More particularly, the Au/CeO2-CuOx/Al2O3 catalyst successfully withstands the inclusion of water in the PrOx stream and presents good results in terms of CO elimination. However to achieve a good selectivity toward CO2 formation properly adjusting of the reaction parameters, such as oxygen concentration and space velocity is needed. Within the whole screened series the Cu-containing catalyst can be considered as the most interesting alternative for H2 clean-up applications.

Item Type: Article
Subjects : Chemical and Process Engineering
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Ramirez Reina, TUNSPECIFIEDUNSPECIFIED
Ivanova, SUNSPECIFIEDUNSPECIFIED
Centeno, MAUNSPECIFIEDUNSPECIFIED
Odriozola, JAUNSPECIFIEDUNSPECIFIED
Date : 30 January 2015
Identification Number : 10.1016/j.ijhydene.2014.11.141
Copyright Disclaimer : Copyright © 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
Depositing User : Symplectic Elements
Date Deposited : 13 Sep 2016 08:55
Last Modified : 31 Oct 2017 18:41
URI: http://epubs.surrey.ac.uk/id/eprint/812122

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