高等学校化学学报

高等学校化学学报

• 研究论文 • 上一篇    下一篇

高水热稳定的有序介孔硅铝分子筛的合成与表征

罗永明1,2, 侯昭胤1, 郑小明1   

    1. 浙江大学西溪校区催化研究所, 杭州 310028;
    2. 昆明理工大学环境科学与工程学院, 昆明 650093
  • 收稿日期:2006-11-04 修回日期:1900-01-01 出版日期:2007-05-10 发布日期:2007-05-10
  • 通讯作者: 郑小明

Synthesis and Characterization of Ordered Mesoporous Aluminosilicates Molecular Sieves with Highly Hydrothermal Stability

LUO Yong-Ming1,2, HOU Zhao-Yin1, ZHENG Xiao-Ming1*   

    1. Institute of Catalysis, Department of Chemistry, Xixi Campus, Zhejiang University, Hangzhou 310028, China;
    2. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • Received:2006-11-04 Revised:1900-01-01 Online:2007-05-10 Published:2007-05-10
  • Contact: ZHENG Xiao-Ming

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被引次数

13

摘要： 将焙烧后的SBA-15先后置于微孔BEA沸石前驱体的稀释液和甘油中进行两次高温再结晶, 成功地合成了高度有序的介孔硅铝分子筛MSAMS-4, 并用XRD, TEM, FTIR, NMR和氮气吸脱附等手段对其进行表征. 水热稳定性实验结果表明, 将MSAMS-4 在100 ℃的沸水中处理120 h或在800 ℃的高温蒸气中处理6 h后, 其有序介孔结构仍然保持得相当完好.

关键词: SBA-15, 硅铝分子筛, 水热稳定性, 多级再结晶, 合成与表征

Abstract: Highly ordered mesoporous aluminosilicate molecular sieve MSAMS-4 was synthesized via multistage recrystallization. The reaction product was characterized by XRD, N2 adsorption-desorption, FTIR spectroscopy and 27Al MAS NMR. The hydrothermal stability tests exhibit that MSAMS-4 retained a well-ordered hexagonal symmetry mesostructure both after being treated with 100 ℃ water for 120 h and streamed at 800 ℃ for 6 h.

Key words: SBA-15, Aluminosilicate molecular sieve, Hydrothermal stability, Multistage recrystallization, Synthesis and characterization

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