Journal of the Chemical Society - Faraday Transactions p. 569 - 574 (1995)
Update date:2022-08-11
Topics:
Khodakov, Andrei
Barbouth, Nisso
Berthier, Yves
Oudar, Jacques
Schulz, Philippe
Deuterium exchange in methane was studied over a series of Pt/Al2O3 and Pt/mazzite catalysts.The reaction proceeds by a simple stepwise mechanism with CH3D being the primary product.Large and small metal particles located in zeolite and alumina catalysts have different catalytic activity with respect to deuterium exchange in methane.The rate of reaction per Pt atom was the same on the catalysts investigated for particles >15-20 Angstroem and considerably lower than the rate of reaction on samples with smaller Pt clusters.The activity of small clusters of Pt (diameter <15-20 Angstroem) depended on the nature of the support.
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