Abstract
This paper studies the isomerization mechanisms of 3-methyl(3-13C)pentane over Pt supported sulphated zirconias (SZs). Pt hydrogenates the reaction intermediates that desorbs, hinders successive isomerizations from occurring and reduces the isomerization steps to two (three with Pt-free SZs). The isomerization is a monomolecular process to which Pt does not participate. Lastly, it is suggested that the ratio between the proportions of methyl migration and ethyl migration could be appreciated as a catalyst intrinsic characteristic.
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Acknowledgments
The authors thank Dr. Georges Poncelet (Unité de Catalyse et Chimie des Matériaux Divisés, Université Catholique de Louvain, Belgium) for providing samples of all the catalysts investigated in the present study.
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Demirci, Ü.B., Garin, F. Isomerization of 3-methyl(3-13C)pentane over platinum supported sulphated zirconias: reaction mechanisms. Catal Lett 114, 41–48 (2007). https://doi.org/10.1007/s10562-007-9042-8
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DOI: https://doi.org/10.1007/s10562-007-9042-8