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题名: Hydroisomerization of long-chain alkane over Pt/SAPO-11 catalysts synthesized from nonaqueous media
作者: Wang, ZM;  Tian, ZJ;  Teng, F;  Wen, GD;  Xu, YP;  Xu, ZS;  Lin, LW
通讯作者: 田志坚
关键词: Nonaqueous synthesis ;  Si sources ;  Al sources ;  solvents ;  SAPO-11 ;  hydroisomerization ;  n-Dodecane
刊名: CATALYSIS LETTERS
发表日期: 2005-09-01
DOI: 10.1007/s10562-005-6510-x
卷: 103, 期:1-2, 页:109-116
收录类别: SCI
文章类型: Article
部门归属: 8
项目归属: 802
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: SAPO-11 molecular sieves were synthesized from nonaqueous media. The effects of Si and Al sources as well as solvents on the catalytic performance of SAPO-11 were investigated by the hydroisomerization reaction of n-dodecane. The samples were characterized by XRD, XRF, N-2-adsorption, SEM, NH3-TPD, IR-NH3 and Si-29 CP MAS NMR. The SAPO-11 samples synthesized with tetraethoxysilane as the Si source showed higher Si incorporation contents than the SAPO molecular sieves prepared with polymeric Si sources (fumed silica and Si colloidal gel). The reaction results showed that Pt/SAPO-11 catalysts synthesized from ethylene glycol and glycerol media with the monomeric Si and Al sources (tetraethoxysilane, aluminum isopropoxide) exhibited higher catalytic activities than those catalysts with the polymeric Si or Al (pseudo-boehmite) sources, due to the larger external surface area and higher acidity of the former ones. Especially, the catalyst synthesized in an ethylene glycol medium possessed the highest catalytic activity. Over this catalyst, 88% conversion of n-dodecane was achieved at a low temperature of 250 degrees C.
关键词[WOS]: MOLECULAR-SIEVES ;  N-OCTANE ;  SAPO-11 ;  DECANE ;  HYDROCONVERSION ;  ISOMERIZATION ;  HYDROCRACKING ;  ISOMERS ;  ACIDITY ;  HEPTANE
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000231352000015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92805
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 Nat Gas Utilizat & Appl Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Wang, ZM,Tian, ZJ,Teng, F,et al. Hydroisomerization of long-chain alkane over Pt/SAPO-11 catalysts synthesized from nonaqueous media[J]. CATALYSIS LETTERS,2005,103(1-2):109-116.
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