Crystallization and morphology of mordenite zeolite influenced by various parameters in organic-free synthesis
Crystallization and morphology of mordenite zeolite influenced by various parameters in organic-free synthesis
复制标题
无有机合成中各种参数对丝光沸石结晶和形貌的影响
DOI：
10.1016/j.materresbull.2011.02.018
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发表时间：
2011-06
影响因子：
5.4
通讯作者：
Xu, Longya
中科院分区：
文献类型：
--
作者：
Zhang, Ling;Xie, Sujuan;Xin, Wenjie;Li, Xiujie;Liu, Shenglin;Xu, Longya
A series of mordenite zeolites with different morphologies were synthesized via a facile organic-free hydrothermal route, and characterized by X-ray diffraction, scanning electron microscopy, X-ray fluorescence spectrometer and N2adsorption–desorption techniques. Influences of synthetic parameters, including seed crystal, silicon precursor, SiO2/Al2O3, Na2O/SiO2and H2O/SiO2, on mordenite crystallization were investigated systematically. It was found that mordenite zeolites with various morphologies, such as fiber-like, rod-like, prism-like and needle-like ones could be synthesized in control. Especially, novel nano fiber-like MOR crystals with high c/b aspect ratio were prepared from low silica concentration system, which was manipulated by using small initial SiO2/Al2O3ratio, large H2O/SiO2and silicon source with slow dissolution rate. Moreover, mordenite samples with various morphologies exhibited different mesopore property and thermal stability.
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通讯作者：
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影响因子：
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DOI：
--
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期刊：
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