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Side-chain alkylation of toluene with methanol on Cs-exchanged NaY zeolites: effect of Cs loading

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Abstract

The side-chain alkylation of toluene with methanol was studied on Cs-exchanged NaY zeolites containing up to 31% Cs (exchange degree, ED, up to 70%). Formation of styrene and ethylbenzene was significant only on Na(Cs)Y zeolites of ED higher than about 40%. Bimolecular side-chain alkylation reaction would require a proper surface geometric configuration of Oδ−-Cs+ pairs that is achieved only on Cs-rich zeolites. In contrast, the side reaction forming carbon monoxide from methanol increases monotonically with increasing ED because it is essentially controlled by the basicity of the oxygen lattice.

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Authors and Affiliations

  1. Catalysis Science and Engineering Research Group (GICIC), Instituto de Investigaciones en Catálisis y Petroquímica-INCAPE-(UNL-CONICET), Santiago del Estero 2654, (3000), Santa Fe, Argentina

    A. Borgna, S. Magni, J. Sepúlveda, C.L. Padró & C.R. Apesteguía

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  1. A. Borgna
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  2. S. Magni
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  3. J. Sepúlveda
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  4. C.L. Padró
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  5. C.R. Apesteguía
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Correspondence to C.R. Apesteguía.

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Borgna, A., Magni, S., Sepúlveda, J. et al. Side-chain alkylation of toluene with methanol on Cs-exchanged NaY zeolites: effect of Cs loading. Catal Lett 102, 15–21 (2005). https://doi.org/10.1007/s10562-005-5197-3

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  • DOI: https://doi.org/10.1007/s10562-005-5197-3

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