Effect of ion exchange and regeneration conditions on the catalytic activity of H-ZSM-5 zeolites |
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| Authors: | V. L. Kuznetsov I. L. Mudrakovskii A. V. Romanenko A. V. Pashis V. M. Mastikhin Yu. I. Yermakov |
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| Affiliation: | (1) Institute of Organic Chemistry, Polish Academy of Sciences, 44/52 Kasprzaka-Street, 01-224 Warszawa, Poland |
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| Abstract: | The effect of Na+  H+ ion-exchange conditions on catalytic properties of the resulting H-ZSM-5 zeolites has been investigated. The concentration and mode of addition of the reactant to the exchange medium affect the degree of exchange achieved. During low-temperature conversion of olefins, the H-ZSM-5 zeolites have become rapidly deactivated. Thermal regeneration fully restores their original catalytic properties.
                 Na+H+           -   -5.   .  -   - -5 .  .
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