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Basic reaction model of automobile exhaust gas treatment over Pt — Rh catalyst / Motoaki Kawase in Industrial & engineering chemistry research, Vol. 49 N° 21 (Novembre 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 21 (Novembre 2010) . - pp. 10341-10347 Titre : Basic reaction model of automobile exhaust gas treatment over Pt — Rh catalyst Type de document : texte imprimé Auteurs : Motoaki Kawase, Auteur ; Hiroyasu Fujitsuka, Auteur ; Hitoshi Nakanishi, Auteur Année de publication : 2011 Article en page(s) : pp. 10341-10347 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Catalyst  Exhaust  gas  Modeling Résumé : A reaction model, which is comprehensive and simple enough to be a base of the dynamic model, of the after-treatment of automobile exhaust gas was proposed. The studied catalyst was Pt- and Rh-supported alumina washcoated over a honeycomb. For attaining a short residence time, a small reactor, 2-73 mm long, was employed. To formulate the reaction rate, the subsets of reactions, CO oxidation, C3H6 oxidation, and N2O and NO reduction by CO or C3H6, were carried out separately over a wide range of gas composition at 140-340 °C. An overall model was built by combining the subset models. The results calculated with the proposed model well represented the experimental results. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23447925 [article] Basic reaction model of automobile exhaust gas treatment over Pt — Rh catalyst [texte imprimé] / Motoaki Kawase, Auteur ; Hiroyasu Fujitsuka, Auteur ; Hitoshi Nakanishi, Auteur . - 2011 . - pp. 10341-10347. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 21 (Novembre 2010) . - pp. 10341-10347 Mots-clés : Catalyst  Exhaust  gas  Modeling Résumé : A reaction model, which is comprehensive and simple enough to be a base of the dynamic model, of the after-treatment of automobile exhaust gas was proposed. The studied catalyst was Pt- and Rh-supported alumina washcoated over a honeycomb. For attaining a short residence time, a small reactor, 2-73 mm long, was employed. To formulate the reaction rate, the subsets of reactions, CO oxidation, C3H6 oxidation, and N2O and NO reduction by CO or C3H6, were carried out separately over a wide range of gas composition at 140-340 °C. An overall model was built by combining the subset models. The results calculated with the proposed model well represented the experimental results. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=23447925