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学科主题: 物理化学
题名: Seed-assisted synthesis of high silica ZSM-35 through interface-induced growth over MCM-49 seeds
作者: Wang, Linying1, 2;  Tian, Peng1, 2;  Yuan, Yangyang1, 2, 3;  Yang, Miao1, 2;  Fan, Dong1, 2, 3;  Zhou, Hui1, 2;  Zhu, Wenliang1, 2;  Xu, Shutao1, 2;  Liu, Zhongmin1, 2
通讯作者: 刘中民
关键词: High silica ZSM-35 ;  MCM-49 seeds ;  High yield ;  Interface-induced ;  Dimethyl ether carbonylation
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2014-09-15
DOI: 10.1016/j.micromeso.2014.05.001
卷: 196, 期:1, 页:89-96
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: High-silica ZSM-35 has been successfully synthesized by adding non-calcined MCM-49 seeds to the initial gel without the help of organic structure-directing agents (OSDAs). This is the first report of seed-assisted synthesis without the common composite building units (CBUs) contained in the seeds and products. High solid yields of 65-85% have been achieved, which are the highest values ever reported for the seed-assisted synthesis. Alkaline treatment and hyperpolarized Xe-129 NMR are employed to study the ZSM-35 products, and an interface-induced growth mechanism is proposed, in which ZSM-35 grows over partially dissolved MCM-49 through interface connection. It is supposed that similarity in the local atomic connection between the seeds and target zeolites, even without the common CBUs, would have the possibility to lead to a successful synthesis. The catalytic performance of H-ZSM-35 is tested in the dimethyl ether (DME) carbonylation, which shows excellent stability and high selectivity towards methyl acetate (MA). (C) 2014 Elsevier Inc. All rights reserved.
关键词[WOS]: MCM-49/ZSM-35 COMPOSITE ZEOLITES ;  STRUCTURE-DIRECTING AGENTS ;  HYPERPOLARIZED XE-129 NMR ;  OSDA-FREE SYNTHESIS ;  MTW-TYPE ZEOLITE ;  CRYSTALLIZATION PROCESS ;  ALUMINOSILICATE GELS ;  FERRIERITE ;  BETA ;  FER
语种: 英语
WOS记录号: WOS:000340333400011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143886
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, Natl Engn Lab Methanol Olefins, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Wang, Linying,Tian, Peng,Yuan, Yangyang,et al. Seed-assisted synthesis of high silica ZSM-35 through interface-induced growth over MCM-49 seeds[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2014,196(1):89-96.
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