Hydrogenation of ethylene on gadolinium X, Y and L-type zeolites |
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| Authors: | Z V Gryaznova G V Tsitsishvili and N N Naskidashvili |
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| Institution: | (1) Lomonosov State University, Moscow, USSR;(2) Institute of Physical and Organic Chemistry, Academy of Sciences of the Grusian SSR, USSR |
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| Abstract: | It is shown that Gd-zeolites have a catalytic activity towards ethylene hydrogenation at 1 atm. This activity decreases with an increase in the SiO2/Al2O3 ratio from 2.2 to 6.1 and 4.1, i.e. upon going from an X type zeolite to Y and L. For these types of zeolite the activity grows with an increase in Gd3+ content from 50 to 80%. Oxygen addition to the reaction mixture stabilizes the catalytic activity of zeolites.
      ,        qv    1  .        ,   SiO2/Al2O3 2,2 6,1 4,1, .. X Y L.    , 50 80%.  .
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