Post-synthetic preparation of Sn-, Ti- and Zr-beta: A facile route to water tolerant, highly active Lewis acidic zeolites

Patrick Wolf, Ceri Hammond, Sabrina Conrad, Ive Hermans

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

A two-step procedure for the post-synthetic preparation of Lewis acidic Sn-, Zr- and Ti-zeolite β is reported. Dealumination of a commercially available Al-β zeolite leads to the formation of highly siliceous material containing silanol nests, which can be filled in a second step via the solid-state ion-exchange or impregnation of an appropriate metal precursor. Spectroscopic studies indicate that each metal is subsequently coordinated within the zeolite framework, and that little or no bulk oxides are formed-despite the high metal loadings. The synthesised catalysts demonstrate excellent activity for the isomerisation of glyceraldehyde to dihydroxyacetone, a key model reaction for the upgrading of bio-renewable feedstocks, and the epoxidation of bulky olefins.

Original languageEnglish (US)
Pages (from-to)4514-4519
Number of pages6
JournalDalton Transactions
Volume43
Issue number11
DOIs
StatePublished - Mar 21 2014

Fingerprint Dive into the research topics of 'Post-synthetic preparation of Sn-, Ti- and Zr-beta: A facile route to water tolerant, highly active Lewis acidic zeolites'. Together they form a unique fingerprint.

Cite this