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题名: Targeted Synthesis of Ultrastable High-Silica RHO Zeolite Through Alkali Metal-Crown Ether Interaction
作者: Ke, Quanli1, 2;  Sun, Tianjun1;  Cheng, Hao1;  Chen, Haijun3;  Liu, Xiaowei1, 2;  Wei, Xiaoli1, 2;  Wang, Shudong1
关键词: alkali metals ;  crown ether ;  NOx removal ;  ultrastable ;  zeolites
刊名: CHEMISTRY-AN ASIAN JOURNAL
发表日期: 2017-05-18
DOI: 10.1002/asia.201700303
卷: 12, 页:1043-1047
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: High-silica RHO zeolite was directly synthesized using an alkali metal-crown ether (AMCE) complex as organic structure-directing agent (OSDA). Derived from the UV-vis spectra and zeolite patterns, the crown ethercesium cation interaction was found to have crucial effect on the enhancement of silica content within the zeolite framework. The synthesized RHO zeolites possess up to four times larger silica/alumina ratio (SAR) values than that in their conventional form, which gives them extraordinarily rigid frameworks even after hydrothermal aging under 800 degrees C. Compared to commercial zeolites, copperexchanged high-silica RHO zeolites demonstrate considerably high reaction activity in NOX removal, making them promising candidates for diesel exhaust treatment.
关键词[WOS]: UNIVALENT CATION FORMS ;  MICROPOROUS MATERIALS ;  CU-SAPO-34 CATALYSTS ;  X-RAY ;  NH3-SCR ;  NOX ;  ADSORPTION ;  CU-SSZ-13 ;  TEMPLATE ;  INSIGHTS
语种: 英语
WOS记录号: WOS:000402921000002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152189
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Nankai Univ, Dept Elect, 94 Weijin Rd, Tianjin 300071, Peoples R China

Recommended Citation:
Ke, Quanli,Sun, Tianjun,Cheng, Hao,et al. Targeted Synthesis of Ultrastable High-Silica RHO Zeolite Through Alkali Metal-Crown Ether Interaction[J]. CHEMISTRY-AN ASIAN JOURNAL,2017,12:1043-1047.
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