The thermal stability of the framework, hydroxyl groups, and active sites of 
faujasites

Mishin, I. V.; Kalinin, V. P.; Nissenbaum, V. D.; Beyer, H. K.; Karge, Hellmut G.

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The thermal stability of the framework, hydroxyl groups, and active sites of faujasites

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Karge, Hellmut G.
Fritz Haber Institute, Max Planck Society;

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Citation

Mishin, I. V., Kalinin, V. P., Nissenbaum, V. D., Beyer, H. K., & Karge, H. G. (1994). The thermal stability of the framework, hydroxyl groups, and active sites of faujasites. Kinetics and Catalysis, 35(4), 634-640.

Cite as: https://hdl.handle.net/21.11116/0000-0009-9443-4

Abstract

The effect of the framework composition on the crystallinity and "density" of hydroxyl groups and the concentration of active sites is reported for hydrogen forms of Y zeolites preheated at 400 - 1000°C. The increase in the Si/Al ratios results in improved resistance of the framework atoms and hydroxyl groups to high temperatures and in enhanced thermal stability of the sites that are active in the cracking of isooctane and disproportionation of ethylbenzene.