Study of the influence of extra-framework cations and organic templates on zeolite crystallization in SiO2–Al2O3–Na2O–K2О (R2O, RO) systems

被引：0
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作者：
O. Yu. Golubeva
M. V. Mokeev
机构：
[1] Russian Academy of Sciences,Grebenshchikov Institute of Silicate Chemistry
[2] Russian Academy of Sciences,Institute of Macromolecular Compounds
来源：
Glass Physics and Chemistry | 2016年 / 42卷
关键词：
zeolites; hydrothermal synthesis; cationic specificity; NMR; paulingite; merlinoite; phillipsite; beta; Rho;
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学科分类号：
摘要：
Crystallization of zeolites from the gels of the (3–x)К2О–xR2O(RO)–0.05Na2O–Al2O3–5SiO2–100H2O composition where x was varied from 0 to 3 and R = Li, Na, Rb, Cs, Ba, tetraethylammonium, tetrapropylammonium, and tetrabutylammonium, has been performed by hydrothermal synthesis. The influence of various cationic ratios on the final product of crystallization depending on the synthesis temperature has been studied at constant SiO2: A2lO3 and H2O: SiО2 ratios. The correlation between the cationic composition of the initial gels, their structure, and the structure of the crystallizing zeolites has been estimated.
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页码：566 / 575
页数：9
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