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

AuthorsReina, T.R. ; Papadopoulos, E.; Palma, Sergio; Ivanova, Svetlana ; Centeno, Miguel Ángel ; Ioannides, T.; Odriozola, José Antonio
Iron oxide
Cerium oxide
Gold catalysts
H2 clean-up.
Issue Date2014
CitationApplied Catalysis B: Environmental 150-151: 554- 563 (2014)
AbstractThis 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.
Identifiersdoi: 10.1016/j.apcatb.2014.01.001
issn: 0926-3373
Appears in Collections:(ICMS) Artículos
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