Solvent-Free Synthesis of All Silica Beta Zeolite in the Presence of Tetraethylammonium Bromide
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Synthesis
2.3. Characterization
3. Results and Discussion
3.1. Synthesis of S-Beta Zeolite
3.2. Critical Factors for Solvent-Free Synthesis of S-Beta Zeolite
3.3. Crystallization Process of S-Beta Zeolite
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Run | Seed (%) b | NH4F/SiO2 | TEABr/SiO2 | Temperature (°C) | Products c |
---|---|---|---|---|---|
1 | 0 | 1.25 | 0.3 | 140 | Amor + Beta |
2 a | 10 | 1.25 | 0.3 | 140 | Beta |
3 | 10 | 0.5 | 0.3 | 140 | Amor + Beta |
4 | 10 | 1.0 | 0.3 | 140 | Beta + Amor |
5 | 10 | 1.25 | 0.15 | 140 | Amor + Beta |
6 | 10 | 1.25 | 0.25 | 140 | Beta + Amor |
7 | 10 | 1.25 | 0.3 | 160 | MFI + Beta |
8 | 10 | 1.25 | 0.3 | 120 | Beta + Amor |
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Cui, Y.; Yan, Z.; Li, M.; Zhu, J.; Zhu, L.; Yao, H.; Cao, X. Solvent-Free Synthesis of All Silica Beta Zeolite in the Presence of Tetraethylammonium Bromide. Crystals 2018, 8, 73. https://doi.org/10.3390/cryst8020073
Cui Y, Yan Z, Li M, Zhu J, Zhu L, Yao H, Cao X. Solvent-Free Synthesis of All Silica Beta Zeolite in the Presence of Tetraethylammonium Bromide. Crystals. 2018; 8(2):73. https://doi.org/10.3390/cryst8020073
Chicago/Turabian StyleCui, Yucun, Zheng Yan, Mengli Li, Jie Zhu, Longfeng Zhu, Hong Yao, and Xuebo Cao. 2018. "Solvent-Free Synthesis of All Silica Beta Zeolite in the Presence of Tetraethylammonium Bromide" Crystals 8, no. 2: 73. https://doi.org/10.3390/cryst8020073
APA StyleCui, Y., Yan, Z., Li, M., Zhu, J., Zhu, L., Yao, H., & Cao, X. (2018). Solvent-Free Synthesis of All Silica Beta Zeolite in the Presence of Tetraethylammonium Bromide. Crystals, 8(2), 73. https://doi.org/10.3390/cryst8020073