Temperature-Scanning Method for the kinetic studies of CO oxidation over ceria-zirconia supported gold catalysts
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- 作者：Miguel-Á ; ngel Gó ; mez-Garcí ; aa ; Noel A. Gó ; mez Mendozaa ; Izabela Dobrosz-Gó ; mezb ; idobrosz-gomez@unal.edu.co" class="auth_mail" title="E-mail the corresponding author ; Edison GilPavasc ; Jacek Rynkowskid
- 关键词：Kinetic studies ; Temperature-Scanning Method ; Gold catalyst ; Ceria&ndash ; zirconia mixed oxide ; CO oxidation ; Catalyst composition optimization
- 刊名：Chemical Engineering Journal
- 出版年：2015
- 出版时间：15 December 2015
- 年：2015
- 卷：282
- 期：Complete
- 页码：20-28
- 全文大小：2718 K
文摘
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Variation of Temperature Scanning Method let to optimize catalyst composition.
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Extended reaction surface plot identifies Au/Ce0.75Zr0.25O2 catalyst as optimal one.
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For all catalysts activation energy and pre-exponential factors were determined.
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Support redox properties controlled the performance of the Au/Ce1−xZrxO2 catalysts.
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Fitted MvK model predicted superficial reaction and catalyst surface re-oxidation.