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Internal silanols in zeolites - inferences from quantum chemical calculations

โœ Scribed by J. Sauer; A. Bleiber

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
394 KB
Volume
3
Category
Article
ISSN
0920-5861

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โœฆ Synopsis

The results of calculation6 support the view that internal silanol defect sites in ZSM-5 zeolites occur as hydrogen-bonded pairs. These sites involve moderately acidic hydroxyls, less acidic than Al associated bridged hydroxyle but significantly more acidic than hydroxyls which terminate the crystal at the outer surface.

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