Effect of oxide promoters on the total oxidation functionality of nanocomposite MnOx catalysts: Mechanism and kinetics of the CO oxidation reaction
| Autor: | Roberto Di Chio, Layla Filiciotto, Claudia Espro, Giuseppe Trunfio, Lorenzo Spadaro, Francesco Arena |
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| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: | |
| Zdroj: | Rate Reaction Theory-Faraday Discussion, pp. 43–43, Cambridge, UK, 19-21/09/2016 info:cnr-pdr/source/autori:Roberto Di Chio, Layla Filiciotto, Claudia Espro, Giuseppe Trunfio, Lorenzo Spadaro, Francesco Arena/congresso_nome:Rate Reaction Theory-Faraday Discussion/congresso_luogo:Cambridge, UK/congresso_data:19-21%2F09%2F2016/anno:2016/pagina_da:43/pagina_a:43/intervallo_pagine:43–43 |
| Popis: | A systematic kinetic study of the CO oxidation reaction on the composite MnCeOx catalyst (Mn/Ce =5), varyng Pco and Po2 in the range of 0.00625-0.025, discloses constant empiric orders of 0.55 and 0.35 on Pco and Po2, respectively. Pulse CO oxidation tests suggest the occurence of Mars-van- Krevelen path triggered by the enhanced oxygen mobility of the active MnOx phase, although a formal reaction mechanism uncovers the role and influence of each elementary step on reaction kinetics. |
| Databáze: | OpenAIRE |
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