Fluoride-assisted synthesis of bimodal microporous SSZ-13 zeolite
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Publication date
2016-01
Authors
Zhu, Xiaochun
Kosinov, Nikolay
Hofmann, Jan P.
Mezari, Brahim
Qian, Qingyun
Rohling, Roderigh
Weckhuysen, Bert
Ruiz-Martinez, Javier
Hensen, Emiel J. M.
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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.
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Zhu, X, Kosinov, N, Hofmann, J P, Mezari, B, Qian, Q, Rohling, R, Weckhuysen, B M, Ruiz-Martinez, J & Hensen, E J M 2016, 'Fluoride-assisted synthesis of bimodal microporous SSZ-13 zeolite', Chemical Communications, vol. 52, no. 15, pp. 3227-3230. https://doi.org/10.1039/c6cc00201c