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Critical Factors in the Seed‐Assisted Synthesis of Zeolite Beta and “Green Beta” from OSDA‐Free Na+–Aluminosilicate Gels
Abstract
Organic structure‐directing agent (OSDA)‐free synthesis of zeolite beta is a subject of both scientific and industrial interest. Herein, we report a comprehensive investigation into the effects of various parameters on the seed‐assisted crystallization of zeolite beta in the absence of OSDA. The crystallization behavior of “OSDA‐free beta” is strongly governed by the chemical composition of the starting Na+‐aluminosilicate gel as well as by the Si/Al ratios of the calcined beta seed crystals, which are prepared using tetraethylammonium hydroxide (TEAOH). Furthermore, OSDA‐free beta seed crystals can be used to form zeolite beta, termed “green beta”. XRD, scanning electron microscopy, inductively coupled plasma atomic emission spectroscopy, and 27 Al magic angle spinning NMR analyses showed that the OSDA‐free beta and green beta were of high purity and crystallinity. The nitrogen adsorption–desorption of OSDA‐free beta and green beta revealed higher surface areas and larger volumes in the micropore region than those of the beta seeds synthesized with OSDA after calcination. These results provide a robust and reliable process for the environmentally friendly production of high‐quality zeolite beta in a completely OSDA‐free Na+‐aluminosilicate system.
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Citations
Cites
Organotemplate-Free and Fast Route for Synthesizing Beta Zeolite
Xie, B., Song, J., Ren, L., Ji, Y., Li, J., & Xiao, F.-S. (2008) · Chemistry of Materials · doi:10.1021/cm801167e · Cited by 301
Cited by
Martínez, C., & Corma, A. (2011) · Coordination Chemistry Reviews · doi:10.1016/j.ccr.2011.03.014 · Cited by 723
Green Routes for Synthesis of Zeolites
Meng, X., & Xiao, F.-S. (2014) · Chemical Reviews · doi:10.1021/cr4001513 · Cited by 635
Zeolites from a Materials Chemistry Perspective
Davis, M. E. (2014) · Chemistry of Materials · doi:10.1021/cm401914u · Cited by 282
Jain, R., Mallette, A. J., & Rimer, J. D. (2021) · Journal of the American Chemical Society · doi:10.1021/jacs.1c11014 · Cited by 159
Zeolite Synthesis under Nonconventional Conditions: Reagents, Reactors, and Modi Operandi
Deneyer, A., Ke, Q., Devos, J., & Dusselier, M. (2020) · Chemistry of Materials · doi:10.1021/acs.chemmater.9b04741 · Cited by 82
Metadata
- Authors
- Kamimura, Y., Chaikittisilp, W., Itabashi, K., Shimojima, A., & Okubo, T.
- Venue
- Chemistry – An Asian Journal
- Publisher
- Wiley
- Published
- 2010-08-30
- Volume
- 5
- Issue
- 10
- Pages
- 2182-2191
- ISSN
- 1861-471X (ISSN-L)
- 1861-4728
- OpenAlex
- W2047801455
- Cited by
- 167
- References
- 1
- FWCI
- 7.57
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kamimura, Y., Chaikittisilp, W., Itabashi, K., Shimojima, A., & Okubo, T. (2010). Critical Factors in the Seed‐Assisted Synthesis of Zeolite Beta and “Green Beta” from OSDA‐Free Na+–Aluminosilicate Gels. Chemistry – An Asian Journal. https://doi.org/10.1002/asia.201000234
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