Methanol adsorption and dehydration on alkali metal exchanged NaY zeolites |
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| Authors: | M. Ziolek J. Czyzniewska J. Lamotte J. C. Lavalley |
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| Affiliation: | (1) Faculty of Chemistry, A. Mickiewicz University, 60-780 Poznan, Poland;(2) Laboratoire Catalyse et Spectrochimie, URA CNR S414, ISMRA-Université, 14050 Caen, France |
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| Abstract: | FT-IR spectroscopy has been applied in a study of methanol adsorption on MINaY zeolites (M=Li, K, Rb, Cs). Coordinatively and/or hydrogen bonded methanol was registered in the temperature range 300–473 K. Dehydration of methanol to dimethyl ether occurred at 573 and 623 K. It was found that the activity of the catalyst for methanol dehydration strongly depends on the kind of alkali metal cation, and well correlates the IR data relative to methanol adsorption. |
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| Keywords: | MINaY zeolites methanol adsorption and dehydration FT-IR spectroscopy |
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