10-P-07 - Heavy metal exchanged zeolites as precursors for high temperature 
stable phases

Schmidt, W.; Weidenthaler, C.

doi:10.1016/S0167-2991(01)81408-7

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10-P-07 - Heavy metal exchanged zeolites as precursors for high temperature stable phases

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Schmidt, W.
Research Group Schmidt, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Weidenthaler, C.
Research Group Weidenthaler, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Schmidt, W., & Weidenthaler, C. (2001). 10-P-07 - Heavy metal exchanged zeolites as precursors for high temperature stable phases. Studies in Surface Science and Catalysis, 135, 206. doi:10.1016/S0167-2991(01)81408-7.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-1DC9-4

Abstract

This chapter discusses heavy metal-exchanged zeolites as precursors for high temperature stable phases. Dense heavy metal containing phases are synthesized by the calcination of ion-exchanged zeolites. The phases formed and their properties are dependent on various parameters, such as ion-exchange conditions, calcination conditions, and composition of the zeolites. The type of exchanged cation determines the structures that are formed during the calcination. Thermodynamically stable phases are formed at high temperature and sufficiently long calcination, but by kinetic control metastable intermediates could be obtained. The control of these parameters enables the synthesis of high temperature stable materials with well-defined properties, which can be used as refractive materials and for catalysis or sensor technology.