Effect of the surface composition of silica supported Pt?Ru Bimetallic catalysts on methane-deuterium exchange reaction |
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| Authors: | H Miura Y Ushikubo K Sugiyama and T Matsuda |
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| Institution: | (1) Department of Applied Chemistry, Saitama University, 338 Urawa-shi, Japan |
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| Abstract: | The exchange reaction of methane and deuterium was studied over a series of silica-supported Pt–Ru bimetallic catalysts, whose surface composition was determined by means of O2–CO titration. The stepwise exchange, giving CH3D as the main product, proceeded on each surface Pt atom. The multiple exchange, which formed CD4 directly, proceeded on an ensemble of several Ru atoms.
                        Pt–Ru,  SiO2,     O2–CO .  , CH3D ,  Pt.  , CD4, Ru.
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