Fluoride-assisted synthesis of bimodal microporous SSZ-13 zeolite

Xiaochun Zhu, Nikolay Kosinov, Jan P. Hofmann, Brahim Mezari, Qingyun Qian, Roderigh Rohling, Bert M. Weckhuysen, Javier Ruiz-Martínez, Emiel J.M. Hensen

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The presence of small amount of fluoride in alkaline hydrothermal synthesis of SSZ-13 zeolite yields bimodal microporous particles with substantially improved performance in the methanol-to-olefins (MTO) reaction. Hydrocarbon uptake measurements and fluorescence microspectroscopy of spent catalysts demonstrate enhanced diffusion through micropores at the grain boundaries of nanocrystals running through the zeolite particles. Fluoride-assisted SSZ-13 synthesis is a cheap and scalable approach to optimize the performance of MTO zeolite catalysts.
Original languageEnglish (US)
JournalChemical Communications
Volume52
Issue number15
DOIs
StatePublished - Jan 1 2016
Externally publishedYes

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