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H2 oxidation as criterion for PrOx catalyst selection: examples based on Au-CoOx supported systems

Ramirez Reina, T, Megias-Sayago, C, Perez, A, Ivanova, S, Centeno, MA and Odriozola, JA (2015) H2 oxidation as criterion for PrOx catalyst selection: examples based on Au-CoOx supported systems Journal of Catalysis. pp. 161-171.

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Abstract

A new approach for understanding PrOx reaction over gold catalysts is proposed in this work. The competition between H2 and CO oxidation has been studied over a series of Au/MOx/Al2O3 (M = Ce and Co) catalysts in simulated post-reforming gas stream, containing H2O and CO2 for H2 cleanup goals. The catalysts' behavior is correlated to their oxygen storage capacity, redox behavior, and oxidation ability. The estimation of the reaction rates reveals that in these solids the H2 combustion, the selectivity limiting factor in the PrOx process, is mainly controlled by the support and not by the gold presence. The possible use of the hydrogen oxidation reaction as a catalyst selection criterion is discussed

Item Type: Article
Subjects : Chemical and Process Engineering
Authors :
NameEmailORCID
Ramirez Reina, Tt.ramirezreina@surrey.ac.ukUNSPECIFIED
Megias-Sayago, CUNSPECIFIEDUNSPECIFIED
Perez, AUNSPECIFIEDUNSPECIFIED
Ivanova, SUNSPECIFIEDUNSPECIFIED
Centeno, MAUNSPECIFIEDUNSPECIFIED
Odriozola, JAUNSPECIFIEDUNSPECIFIED
Date : 10 June 2015
Identification Number : https://doi.org/10.1016/j.jcat.2015.03.015
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:49
Last Modified : 18 May 2017 12:53
URI: http://epubs.surrey.ac.uk/id/eprint/840460

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