Direct Observation of Cyclic Carbenium Ions and Their Role in the Catalytic Cycle of the Methanol-to-Olefin Reaction over Chabazite Zeolites

Direct Observation of Cyclic Carbenium Ions and Their Role in the Catalytic Cycle of the Methanol-to-Olefin Reaction over Chabazite Zeolites

Carbenium ions in zeolites: Two important carbenium ions have been observed for the first time under working conditions of the methanol‐to‐olefins (MTO) reaction over chabazite zeolites using 13C NMR spectroscopy. Their crucial roles in the MTO reaction cycles have been demonstrated by combining exp...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-10, Vol.52 (44), p.11564-11568
Hauptverfasser: Xu, Shutao, Zheng, Anmin, Wei, Yingxu, Chen, Jingrun, Li, Jinzhe, Chu, Yueying, Zhang, Mozhi, Wang, Quanyi, Zhou, You, Wang, Jinbang, Deng, Feng, Liu, Zhongmin
Format: Artikel
Sprache:eng
Schlagworte:
carbenium ions
Catalysis
Catalysts
density functional calculations
Mathematical analysis
methanol
olefins
Spectroscopy
Zeolites
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Beschreibung
Zusammenfassung:Carbenium ions in zeolites: Two important carbenium ions have been observed for the first time under working conditions of the methanol‐to‐olefins (MTO) reaction over chabazite zeolites using 13C NMR spectroscopy. Their crucial roles in the MTO reaction cycles have been demonstrated by combining experiments and theoretical calculations.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201303586