Acidity and catalytic activity of rare-earth containing X zeolites |
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| Authors: | P. Kovacheva Cv. Bezoukhanova Chr. Dimitrov |
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| Affiliation: | (1) Department of Chemistry, University of Sofia, Sofia, Bulgaria |
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| Abstract: | The acidity of LaX and CeX zeolites evaluated by the IR-spectra of adsorbed pyridine is compared with their activities in cumene cracking. The definitive role of the rare-earth cations in the catalytic activity, in Brönsted acidity as well as in Lewis active sites has been confirmed.
           LaX CeX               .      ,  ,   .
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