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Molecular Understanding of Sorption in Mesoscale Organized Zeolites with MFI Structure

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Abstract

We report herein the adsorption of light hydrocarbons in small crystal ZSM-5 monitored by infrared spectroscopy including a direct monitoring of the individual concentrations (surface and intracrystalline). Accessing the individual rates reveals that the sorption enhancement upon surface modification with TEOS is selective towards molecules with a small steric demand and a high heat of adsorption within the silica overlayer.

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Acknowledgments

Financial support from the DFG under the Project JE260-10/1 is gratefully acknowledged. R. Kolvenbach acknowledges the “Fond der chemischen Industrie” for financial support in a Ph.D. scholarship. We are grateful to Dr. Stephan Reitmeier for rapid scan measurements.

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Correspondence to Andreas Jentys.

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Kolvenbach, R., Gonzalez-Peňa, L.F., Jentys, A. et al. Molecular Understanding of Sorption in Mesoscale Organized Zeolites with MFI Structure. Catal Lett 143, 1116–1122 (2013). https://doi.org/10.1007/s10562-013-1118-z

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  • DOI: https://doi.org/10.1007/s10562-013-1118-z

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