2013
DOI: 10.2516/ogst/2013123
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Sulfur Deactivation of NOxStorage Catalysts: A Multiscale Modeling Approach

Abstract: Re´sume´-Empoisonnement des mate´riaux de stockage des NO x par le soufre : approche multi-e´chelles -Les pie`ges a`NO x repre´sentent une technologie prometteuse pour la re´duction des e´missions d'oxydes d'azote issus des moteurs ope´rant en me´lange pauvre. Leur utilisation est limite´e par la pre´sence de compose´s soufre´s dans les gaz d'e´chappement. Le soufre contenu dans le carburant et le lubrifiant est oxyde´lors de la combustion en SO 2 et SO 3 . Ces oxydes de soufre pre´sentent une forte affinite´p… Show more

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Cited by 4 publications
(1 citation statement)
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“…Such a global process can only be modelled thanks to a multiscale approach, integrating quantum descriptors, kinetic modelling and reactor models. 43,[189][190][191] For this purpose, collecting systematic DFT data as a function of surface coverage imposed by reaction conditions is necessary. Significant achievements have been reported in this field, but usually starting from DFT models of ideal metal [192][193][194] or oxide 189,195 surfaces.…”
Section: General Challengesmentioning
confidence: 99%
“…Such a global process can only be modelled thanks to a multiscale approach, integrating quantum descriptors, kinetic modelling and reactor models. 43,[189][190][191] For this purpose, collecting systematic DFT data as a function of surface coverage imposed by reaction conditions is necessary. Significant achievements have been reported in this field, but usually starting from DFT models of ideal metal [192][193][194] or oxide 189,195 surfaces.…”
Section: General Challengesmentioning
confidence: 99%