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Fu WH, Yuan Z, Wang Z, et al. Direct synthesis of hydrothermally stable Ge-IWR zeolites. Dalton Trans. 2017;46(20):6692-6699doi: 10.1039/c7dt01087g.
Fu, W. H., Yuan, Z., Wang, Z., Wang, Y., Yang, W., & He, M. Y. (2017). Direct synthesis of hydrothermally stable Ge-IWR zeolites. Dalton transactions (Cambridge, England : 2003), 46(20), 6692-6699. https://doi.org/10.1039/c7dt01087g
Fu, Wen Hua, et al. "Direct synthesis of hydrothermally stable Ge-IWR zeolites." Dalton transactions (Cambridge, England : 2003) vol. 46,20 (2017): 6692-6699. doi: https://doi.org/10.1039/c7dt01087g
Fu WH, Yuan Z, Wang Z, Wang Y, Yang W, He MY. Direct synthesis of hydrothermally stable Ge-IWR zeolites. Dalton Trans. 2017 May 23;46(20):6692-6699. doi: 10.1039/c7dt01087g. PMID: 28484777.
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Dalton Trans. 2017 May 23;46(20):6692-6699. doi: 10.1039/c7dt01087g.

Direct synthesis of hydrothermally stable Ge-IWR zeolites.

Dalton transactions (Cambridge, England : 2003)

Wen Hua Fu, Zhiqing Yuan, Zhendong Wang, Yangdong Wang, Weimin Yang, Ming-Yuan He

Affiliations

  1. State Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Sinopec Shanghai Research Institute of Petrochemical Technology, Shanghai 201208, China. [email protected].

PMID: 28484777 DOI: 10.1039/c7dt01087g

Abstract

The poor hydrothermal stability of germanosilicate zeolites greatly retards their industrial application. Herein, we present a direct synthesis of Ge-containing IWR zeolites with outstanding hydrothermal stability. A simple quaternary ammonium cation, diethyldimethylammonium, was used as the structure-directing agent for the first time. The structure and chemical composition of the framework was studied by performing Rietveld refinement of XRD data combined with electron microscopy, thermogravimetric and chemical analysis techniques. Al-free and Al-containing IWR zeolites were subjected to high-temperature vapor (973 K, 4 h), water-immersion (room temperature, 12 h) and treatment with 65% HNO

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