Collect. Czech. Chem. Commun. 1979, 44, 3341-3345

Different activity of HZSM-5 and HNaY zeolites in the interaction with ethylene: Effect of water vapour

Jana Nováková, Ludmila Kubelková, Zdeněk Dolejšek and Pavel Jírů

J. Heyrovský Institute of Physical Chemistry and Electrochemistry, Czechoslovak Academy of Sciences, 121 38 Prague 2


The reaction of ethylene on HZSM-5 and HNaY zeolites, differing widely in acidity, was compared by means of IR and MS methods. Different surface and gaseous products were observed. The presence of water vapour effected mainly the activity of the HZSM-5 zeolite.