Effect of dispersity on some catalytic reactions on Pt/SiO2 |
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| Authors: | L Guczi and B S Gudkov |
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| Institution: | (1) Institute of Isotopes of the Hungarian Academy of Sciences, P.O.Box 77, H-1525 Budapest, Hungary;(2) Institute of Organic Chemistry, Moscow, USSR |
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| Abstract: | The effect of the dispersity of a Pt/SiO2 catalyst has been investigated in the hydrogenolysis of ethane, n-butane and in cyclohexane exchange. Turnover number, NT, for ethane hydrogenolysis increases with decreasing particle size, which may be interpreted by the formation of a surface intermediate in which both carbon atoms are bonded to one platinum atom. Cyclohexane exchange is not influenced by the change in particle size.
               Pt/SiO2      , -   .    NT,     ,   , .  .
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