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

Martin Spangsberg Holm; Martin Kalmar Hansen; Claus Hviid Christensen

doi:10.1002/ejic.200801194

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

Martin Spangsberg Holm, Martin Kalmar Hansen, Claus Hviid Christensen

Department of Chemistry

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

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 language	English
Journal	European Journal of Inorganic Chemistry
Volume	2009
Issue number	9
Pages (from-to)	1194-1198
ISSN	1434-1948
DOIs	https://doi.org/10.1002/ejic.200801194
Publication status	Published - 2009

Keywords

Desilication
Mesoporous materials
Zeolites
Ion exchange

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10.1002/ejic.200801194

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abstract = "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. (",

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AU - Hansen, Martin Kalmar

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N2 - 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. (

AB - 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. (

KW - Desilication

KW - Mesoporous materials

KW - Zeolites

KW - Ion exchange

U2 - 10.1002/ejic.200801194

DO - 10.1002/ejic.200801194

M3 - Journal article

SN - 1434-1948

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SP - 1194

EP - 1198

JO - European Journal of Inorganic Chemistry

JF - European Journal of Inorganic Chemistry

IS - 9

ER -

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

Abstract

Keywords

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