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题名: Synthesis, characterization and catalytic properties of SAPO-34 synthesized using diethylamine as a template
作者: Liu, Guangyu1, 2;  Tian, Peng1;  Li, Jinzhe1, 2;  Zhang, Dazhi1, 2;  Zhou, Fan1, 2;  Liu, Zhongmin1
关键词: synthesis ;  SAPO-34 ;  diethylamine ;  hydrothermal stability ;  methanol-to-olefin (MTO)
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2008-04-15
DOI: 10.1016/j.micromeso.2007.07.023
卷: 111, 期:1-3, 页:143-149
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: SAPO-34 molecular sieve was successfully synthesized using diethylamine (DEA) as a template. The influence of template concentration and silica concentration on the synthesis were investigated. Pure SAPO-34 could be obtained when n(DEA)/n(Al2O3) >= 1.5 and n(SiO2)/n(Al2O3) > 0.1 in the synthesis gel. Further increase of DEA concentration in the starting gel [n(DEA)/n(Al2O3) > 3] has a negative effect on both crystallinity and crystal yield. The products were characterized by XRD, XRF, SEM, NMR, FT-IR, TG-DTA and nitrogen adsorption techniques. It was found that SAPO-34 synthesized with DEA as a template has the characteristic of high silicon incorporation and exhibits good thermal and hydrothermal stability. The catalytic performance of SAPO-34 was tested by methanol-to-olefin (MTO) reaction and high olefins (C2H4 + C3H6) selectivity was obtained. (C) 2007 Elsevier Inc. All rights reserved.
关键词[WOS]: METHANOL-TO-HYDROCARBONS ;  CRYSTALLINE INORGANIC SOLIDS ;  MOLECULAR-SIEVES ;  OLEFIN CATALYSIS ;  SILICON INCORPORATION ;  REACTION CENTERS ;  LIGHT OLEFINS ;  CONVERSION ;  HSAPO-34 ;  MECHANISM
语种: 英语
WOS记录号: WOS:000255847100021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141088
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, Lab Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Liu, Guangyu,Tian, Peng,Li, Jinzhe,et al. Synthesis, characterization and catalytic properties of SAPO-34 synthesized using diethylamine as a template[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2008,111(1-3):143-149.
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