Observation of reactive intermediates in the initial stage during ethene conversion over acidic zeolites?

Catalysis Science & Technology Pub Date: 2023-08-03 DOI: 10.1039/D3CY00709J

Abstract

The key intermediates, i.e., surface ethoxy species, were observed upon the adsorption of ethene on zeolite H-Y for the first time. By combining a selective 13C-labeling protocol with a multitechnique approach, we confirmed the critical role of surface ethoxy species, that is, equilibrium with ethene in the primary step and further alkylation to form the C–C bond.

Graphical abstract: Observation of reactive intermediates in the initial stage during ethene conversion over acidic zeolites
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