Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 200, Issue -, Pages 420-427Publisher
ELSEVIER
DOI: 10.1016/j.apcatb.2016.07.039
Keywords
WGS; Monoliths; Buffer layer; Platinum catalysts; Structured catalyst
Funding
- Junta de Andalucia [TEP-8196, TEP 106]
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This work is devoted to the development of novel structured catalytic system for WGS reaction. The new concept is related to the presence of a pre-catalytic buffer layer formed by WGS-inert oxide, i.e. not involved in CO conversion, but able to increase the number of participating sites in water dissociation step during the reaction. The performance of the proposed systems appears to depend strongly on the stream composition, being its effect beneficial in highly reducing atmospheres making it ideal for cleanup application. An increment of the partial kinetic order for water species is observed and reveals the key role of the water activation for superior catalytic behavior. (C) 2016 Elsevier B.V. All rights reserved.
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