"One-Pot" Ion-Exchange and Mesopore Formation During Desilication

Martin Spangsberg Holm, Martin Kalmar Hansen, Claus Hviid Christensen

Research output: Contribution to journalJournal articleResearchpeer-review


A desilication protocol using tetramethylammonium hydroxide was applied to zeolite beta. The new route presented here integrates the desilication and ion-exchange post-treatment steps allowing for a subsequent ion-exchange step to be avoided. It is shown that the acidic and highly mesoporous zeolite is obtained directly upon calcination. Thus, careful choice of base and post-treatment conditions lead to the fabrication of a hierarchical meso- and microporous structure with completely retained crystallinity. (
Original languageEnglish
JournalEuropean Journal of Inorganic Chemistry
Issue number9
Pages (from-to)1194-1198
Publication statusPublished - 2009


  • Desilication
  • Mesoporous materials
  • Zeolites
  • Ion exchange


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