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- Title
Understanding the Anion‐Templated, OSDA‐Free, Interzeolite Conversion Synthesis of High Silica Zeolite ZK‐5**.
- Authors
Lozinska, Magdalena M.; Bruce, Elliott L.; Mattock, James; Chitac, Ruxandra G.; Cox, Paul A.; Turrina, Alessandro; Wright, Paul A.
- 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.
- Subjects
ZEOLITE Y; X-ray powder diffraction; SILICA; ALKALI metals; AMMONIUM nitrate
- Publication
Chemistry - A European Journal, 2022, Vol 28, Issue 56, p1
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.202201689