| 动态水热合成b轴取向MFI型分子筛膜 |
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| 引用本文： | 李显明,王正宝,郑洁,邵世群,王胤超,严玉山. 动态水热合成b轴取向MFI型分子筛膜[J]. 催化学报, 2011, 32(2): 217-223. DOI: 10.1016/S1872-2067(10)60167-2 |
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| 作者姓名： | 李显明 王正宝 郑洁 邵世群 王胤超 严玉山 |
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| 作者单位： | 浙江大学化学工程与生物工程学系;加州大学河滨分校化学工程与环境工程系; |
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| 基金项目： | 浙江省自然科学基金(R4090099); 中国博士后科学基金(20090461362,201003718); 南京工业大学材料化学工程国家重点实验室开放课题 |
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| 摘 要： | 在旋转烘箱中采用动态水热法,在不锈钢片支撑体上合成了连续的b轴取向MFI型分子筛膜,并运用扫描电镜和X射线衍射考察了合成釜转速、晶化温度和晶化时间对所得分子筛膜性能的影响.与静态水热法相比,动态水热合成过程中合成液的温差和浓度差大大降低,且合成液持续冲刷支撑体表面,使得动态法具有合成时间短、取向性好和分子筛颗粒粒径分布均一的优点.
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| 关 键 词： | 动态水热法 b轴取向 MFI型分子筛 分子筛膜 静态水热法 |
Dynamic Hydrothermal Synthesis of a b-Oriented MFI Zeolite Film |
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| LI Xianming,WANG Zhengbao,ZHENG Jie,SHAO Shiqun,WANG Yinchao,YAN Yushan. Dynamic Hydrothermal Synthesis of a b-Oriented MFI Zeolite Film[J]. Chinese Journal of Catalysis, 2011, 32(2): 217-223. DOI: 10.1016/S1872-2067(10)60167-2 |
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| Authors: | LI Xianming WANG Zhengbao ZHENG Jie SHAO Shiqun WANG Yinchao YAN Yushan |
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| Affiliation: | LI Xianming1,WANG Zhengbao1,ZHENG Jie1,SHAO Shiqun1,WANG Yinchao1,YAN Yushan1,2 1Department of Chemical and Biochemical Engineering,Zhejiang University,Hangzhou 310027,Zhejiang,China 2Department of Chemical and Environmental Engineering,University of California,Riverside,California 92521,USA |
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| Abstract: | Continuous b-oriented MFI zeolite films were prepared on stainless steel substrates by dynamic hydrothermal synthesis using a rotating convection oven. The influences of rotation speed,crystallization temperature and crystallization time were studied. X-ray diffraction was used to identify the orientation of the zeolite films. Compared with the static method,a shorter synthesis time,a more uniform particle size distribution and better film orientation were observed for the dynamic method,and this is attribu... |
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| Keywords: | dynamic hydrothermal method b-oriented MFI zeolite zeolite film static hydrothermal method |
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