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Sustainable Route for Synthesis of All-Silica SOD Zeolite

1
College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
2
Pharmaceutical and Material Engineering School, Jinhua Polytechnic, Jinhua 321000, China
*
Authors to whom correspondence should be addressed.
Crystals 2019, 9(7), 338; https://doi.org/10.3390/cryst9070338
Received: 19 June 2019 / Revised: 26 June 2019 / Accepted: 28 June 2019 / Published: 30 June 2019
(This article belongs to the Special Issue New Horizons in Zeolites and Zeolite-Like Materials)
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Abstract

The development of the sustainable synthesis of zeolites has become a very hot topic in recent years. Herein, we report a sustainable route for synthesizing all-silica SOD zeolite under solvent-free conditions. The method of solvent-free synthesis includes mixing, grinding, and heating raw solids. The all-silica SOD zeolite obtained was well characterized by multiple measurement techniques (XRD, SEM, IR, thermogravimetric-differential thermal analysis (TG-DTA), and magic angel spinning nuclear magnetic resonance (MAS NMR)). The crystallization process of all-silica SOD zeolite was also investigated in detail by XRD, SEM, UV-Raman, and MAS NMR techniques. In addition, the effects of the crystallization compositions, including the molar ratios of Na2O/SiO2 and ethylene glycol/SiO2, on the synthesis of the pure all-silica SOD zeolite were investigated at different temperatures. View Full-Text
Keywords: zeolite; sustainable route; all-silica SOD; solvent-free synthesis zeolite; sustainable route; all-silica SOD; solvent-free synthesis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Zhai, H.; Bian, C.; Yu, Y.; Zhu, L.; Guo, L.; Wang, X.; Yu, Q.; Zhu, J.; Cao, X. Sustainable Route for Synthesis of All-Silica SOD Zeolite. Crystals 2019, 9, 338.

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