| LTA型分子筛膜制备和应用的研究进展 |
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| 引用本文： | 王正宝,邵佳,葛琴琴. LTA型分子筛膜制备和应用的研究进展[J]. 石油化工, 2010, 39(6): 583 |
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| 作者姓名： | 王正宝 邵佳 葛琴琴 |
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| 作者单位： | 浙江大学,化学工程与生物工程系,浙江,杭州,310027 |
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| 基金项目： | 国家自然科学基金资助项目，浙江省钱江人才计划项目 |
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| 摘 要： | 综述了LTA型分子筛膜的合成方法、支撑体、合成液及其应用。重点介绍了静态水热合成法制备LTA型分子筛膜的无晶种法和晶种法,列举了多种涂晶手段,并介绍了几种动态水热合成法和其他新型制备概念(如真空辅助合成等);阐述了用于LTA型分子筛膜合成的各种支撑体,如α-Al2O3、TiO2、不锈钢、ZrO2、有机-无机复合支撑体等;讨论了LTA膜在有机物系脱水、气体分离等方面的应用。最后对LTA型分子筛膜的研究方向进行了展望,指出支撑体的研究开发是LTA型分子筛膜得到大规模工业化应用的关键。
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| 关 键 词： | LTA型分子筛膜 膜合成 膜分离 脱水 |
Advances in Preparation and Applications of LTA Zeolite Membranes |
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| Wang Zhengbao,Shao Jia,Ge Qinqin. Advances in Preparation and Applications of LTA Zeolite Membranes[J]. Petrochemical Technology, 2010, 39(6): 583 |
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| Authors: | Wang Zhengbao Shao Jia Ge Qinqin |
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| Affiliation: | Wang Zhengbao,Shao Jia,Ge Qinqin (Department of Chemical and Biological Engineering,Zhejiang University,Hangzhou Zhejiang 310027,China) |
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| Abstract: | Advances in synthesis methods and applications of LTA zeolite membranes were reviewed. Static hydrothermal syntheses including direct and seeded growth syntheses,dynamic hydrothermal synthesis and other new syntheses(e.g. vacuum-assisted synthesis) of the LTA zeolite membranes were introduced. Supports for the LTA zeolite membranes,namely α-Al2O3,TiO2,stainless steel,ZrO2 and organic-inorganic composite supports were stated. Applications of the LTA zeolite membranes to organics dehydration and gas separation were summarized. Finally,development trend for the research of the LTA zeolite membranes were indicated,that preparation of the supports would be key factor for the extensive use of the LTA zeolite membranes in industry. |
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| Keywords: | LTA zeolite membrane membrane synthesis membrane separation dehydration |
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