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学科主题: 物理化学
题名: Exploring the void structure and activity of RUB-39 based expanded materials using the hydroconversion of decane
作者: Tijsebaert, Bart1;  Henry, Mathieu1;  Gies, Hermann2;  Xiao, Feng-Shou3;  Zhang, Weiping4;  Bao, Xinhe4;  Imai, Hiroyuki5;  Tatsumi, Takashi5;  Mueller, Ulrich6;  Yilmaz, Bilge6;  Jacobs, Pierre1;  De Vos, Dirk1
通讯作者: BartTijsebaert
关键词: Hydroconversion ;  Zeolites ;  Expanded materials ;  Layered materials ;  RUB-39
刊名: JOURNAL OF CATALYSIS
发表日期: 2011-08-15
DOI: 10.1016/j.jcat.2011.05.022
卷: 282, 期:1, 页:47-53
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 502
产权排名: 4,5
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Engineering, Chemical
摘要: Exploring the void structure and activity of RUB-39 based expanded materials using the hydroconversion of decane
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The layered silicate RUB-39 can be transformed by topotactic condensation into RUB-41 (RRO), a zeolite with 8- and 10- ring pores. If the layered RUB-39 is first silylated with dichlorodimethylsilane (DCDMS) or hexamethyldisiloxane (HMDS), an interlayer expanded structure is created after calcination. The DCDMS expanded material contains 10- and 12-ring pores instead of 8- and 10-ring pores. Detailed physicochemical characterization showed that the Al content is not significantly changed during the expansion. In the hydroconversion of decane, the expanded materials have a significantly increased activity, as demonstrated by the lower temperatures at which isomerization and cracking occur. Detailed comparison of the product selectivities obtained with RUB-41 or with its expanded analogs shows that the void structure of the expanded materials is significantly less constrained, as reflected in the distribution of methylnonane isomers, of the ethyloctane vs. methylnonane isomers, and in the ratio of monobranched vs. dibranched isomers. (C) 2011 Elsevier Inc. All rights reserved.
关键词[WOS]: TOPOTACTIC CONDENSATION ;  CRYSTAL-STRUCTURE ;  LAYERED PRECURSOR ;  ZEOLITE RUB-41 ;  PORE STRUCTURE ;  CATALYTIC TEST ;  SILICATE ;  FRAMEWORK ;  MCM-22
语种: 英语
WOS记录号: WOS:000294525700005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115506
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.Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, B-3001 Louvain, Belgium
2.Ruhr Univ Bochum, Inst Geol Mineral & Geophys, D-44780 Bochum, Germany
3.Zhejiang Univ, Dept Chem, Hangzhou 310028, Zhejiang, Peoples R China
4.Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
5.Tokyo Inst Technol, Midori Ku, Yokohama, Kanagawa 2268503, Japan
6.BASF, GCC Z M 301, D-67056 Ludwigshafen, Germany

Recommended Citation:
Tijsebaert, Bart,Henry, Mathieu,Gies, Hermann,et al. Exploring the void structure and activity of RUB-39 based expanded materials using the hydroconversion of decane[J]. JOURNAL OF CATALYSIS,2011,282(1):47-53.
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