| 动态法合成MCM-22分子筛及其表征 |
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| 引用本文： | 魏永生,李保民,王庆花,郑喜,罗雪岭. 动态法合成MCM-22分子筛及其表征[J]. 化工时刊, 2006, 20(2): 9-11 |
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| 作者姓名： | 魏永生 李保民 王庆花 郑喜 罗雪岭 |
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| 作者单位： | 中国矿业大学化工学院,江苏,徐州,221008 |
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| 摘 要： | 以六亚甲基亚胺(HMI)为模板剂,采用动态水热晶化法合成出MCM—22沸石分子筛。采用XRD表征对其进行物相分析;采用氨脱附—程序升温脱附(NH3—TPD)法表征其酸性质。结果表明:合成过程中易生成混晶,而适宜的SiO2/Al203比和碱度可以合成出比较纯的MCM—22分子筛。采用常规的离子交换方法可以将其转变为氢型样品。
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| 关 键 词： | HMI MCM—22分子筛 动态合成 表征 |
| 收稿时间： | 2005-10-09 |
| 修稿时间： | 2005-10-09 |
Dynamic Synthesis and Characterization of MCM-22 Zeolite |
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| Wei Yongsheng,Li Baomin,Wang Qinghua,Zheng Xi,Luo Xueling. Dynamic Synthesis and Characterization of MCM-22 Zeolite[J]. Chemical Industry Times, 2006, 20(2): 9-11 |
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| Authors: | Wei Yongsheng Li Baomin Wang Qinghua Zheng Xi Luo Xueling |
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| Affiliation: | School of Chemical Engineering, China University of Mining and Technology, Jiangsu Xuzhou 221008 |
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| Abstract: | MCM-22 zeolite was synthesized by dynamic hydrothennal crystallization method with hexamethyleneimine as a template. The synthesized MCM-22 zeolite has been characterized by XRD and its acidity properties have been investigated by NH3 - TPD. The results have shown that some crystal mixture is prone to be created, but MCM-22 molecular zeolite can be synthesized as purer phase in appropriate SIO2/Al2O3 ratios and alkalinity. The MCM-22 zeolite can be tranformed to a hydrogenated sample through conventional ionexchange method. |
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| Keywords: | HMI MCM-22 zeolite dynamic synthesis characterization |
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