Could an efficient WGS catalyst be useful in the CO-PrOx reaction?

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2014 Spain, United Kingdom English Publisher:Elsevier BVJournal:Applied Catalysis B: Environmental, volume 150-151, pages 554-563 (issn: 0926-3373,

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Authors: Ramirez Reina, T; Papadopoulou, E; Palma, S; Ivanova, S; Centeno, MA; Ioannides, T; Odriozola, JA;

doi: 10.1016/j.apcatb.2014.01.001

handle: 11441/67081 , 10261/102015

Could an efficient WGS catalyst be useful in the CO-PrOx reaction?

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Abstract

This work presents an evaluation of a high performance series of water gas shift (WGS) catalysts in the preferential CO oxidation reaction (PrOx) in order to examine the applicability of the same catalyst for both processes as a first step for coupling both reactions in a single process. Gold based catalysts are applied in an extensive study of the CO-PrOx reaction parameters, such as λ, WHSV, CO concentration and [H2O]/[CO2] ratio in order to obtain the best activity/selectivity balance. CO and H2 oxidation reactions were treated separately in order to establish the degree of CO/H2 oxidation competition. Additionally the catalysts behavior in the CO-PrOx parallel reactions such a WGS and RWGS have been also carried out to analyze their effect on product composition. © 2014 Elsevier B.V.

Ministerio de Ciencia e Innovación ENE2012-374301-C03-01

Junta de Andalucía TEP-8196

FEDER

Countries

Spain, United Kingdom

Related Organizations

Foundation for Research and Technology Hellas
Greece
Spanish National Research Council
Spain
University of Surrey
United Kingdom
University of Seville
Spain

Keywords

Gold catalysts, H2 clean-up., Iron oxide, Cerium oxide, H2 clean-up, PrOx

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