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Understanding the Anion-Templated, OSDA-Free, Interzeolite Conversion Synthesis of High Silica Zeolite ZK-5.
- Source :
-
Chemistry (Weinheim an der Bergstrasse, Germany) [Chemistry] 2022 Oct 07; Vol. 28 (56), pp. e202201689. Date of Electronic Publication: 2022 Aug 08. - Publication Year :
- 2022
-
Abstract
- High silica zeolite ZK-5 (framework Si/Al=4.8) has been prepared by interzeolite conversion from ultrastable zeolite Y via a co-templating route using alkali metal cations and nitrate anions but without organic structure directing agents. The mechanism, which involves zeolite framework - alkali metal cation - nitrate anion ordering, has been established by a combination of chemical and thermal analyses, Raman spectroscopy, computational modelling, and X-ray powder diffraction. Ammonium exchange gives ZK-5 with occluded ammonium nitrate and subsequent heating gives microporous zeolite ZK-5.<br /> (© 2022 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH.)
Details
- Language :
- English
- ISSN :
- 1521-3765
- Volume :
- 28
- Issue :
- 56
- Database :
- MEDLINE
- Journal :
- Chemistry (Weinheim an der Bergstrasse, Germany)
- Publication Type :
- Academic Journal
- Accession number :
- 35821198
- Full Text :
- https://doi.org/10.1002/chem.202201689