| 酸、碱介质中介孔-微孔钛硅分子筛的合成与表征 |
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| 引用本文： | 刘肖飞,景志刚,姚文君,葛汉青,王学丽,南洋.酸、碱介质中介孔-微孔钛硅分子筛的合成与表征[J].石化技术与应用,2009,27(5):408-411,423. |
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| 作者姓名： | 刘肖飞 景志刚 姚文君 葛汉青 王学丽 南洋 |
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| 作者单位： | 中国石油兰州化工研究中心,甘肃,兰州,730060 |
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| 摘 要： | 采用2步水热合成法合成介孔-微孔钛硅分子筛，第一步合成含微孔钛硅分子筛（TS-1）初级和次级结构单元的导向剂，第二步将导向剂与模板剂十六烷基三甲基溴化铵分别在碱、酸介质中进行组装。采用XRD，BET，IR，UV—Vis等分析仪器对所合成的分子筛进行了表征。结果表明，碱介质中合成的分子筛长程有序度较好，其比表面积为1300m^2／g，孔容为1．20cm^3／g，微孔孔容为0．18cm^3／g，在介孔分子筛的孔壁中引入了微孔分子筛TS-1的初级和次级结构单元；酸性介质中合成的分子筛长程有序度较差，其比表面积为1003m^2／g，孔容为0．60cm^3／g，微孔孔容为0．21cm^3／g，分子筛为介孔、微孔钛硅分子筛的混合物。
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| 关 键 词： | 钛硅分子筛 微孔分子筛 介孔分子筛 导向剂 碱介质 酸介质 水热合成 |
Synthesis and characterization of mesoporous-microporous titanium silicate molecular sieve prepared in acid and alkaline media |
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| Liu Xiaofei,Jing Zhigang,Yao Wenjun,Ge Hanqing,Wang Xueli,Nan Yang.Synthesis and characterization of mesoporous-microporous titanium silicate molecular sieve prepared in acid and alkaline media[J].Petrochemical Technology & Application,2009,27(5):408-411,423. |
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| Authors: | Liu Xiaofei Jing Zhigang Yao Wenjun Ge Hanqing Wang Xueli Nan Yang |
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| Affiliation: | Lanzhou Petrochemical Research Center;PetroChina;Lanzhou 730060;China |
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| Abstract: | The mesoporous-microporous titanium silicate molecular sieve were synthesized by adopting two-step hydrothermal process.In the first step,the nanocluster containing primary and secondary building units of mesoporous titanium silicate TS-1 was synthesized,and in the second step,the nanocluster and template cetyl trimethyl ammonium bromide were assembled in acid and alkaline media respectively.The mesoporous-microporous molecular sieve were characterized by using XRD,BET,IR and UV-Vis analysis instruments.The... |
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| Keywords: | titanium silicate molecular sieve microporous molecular sieves mesoporous molecular sieves nanocluster alkaline media acid media hydrothermal synthesis |
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