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题名: Catalytic performance of several zeolite catalysts for oligomerization of butene-2
作者: Liu Shu;  Wang Ligang;  Liu Hongchao;  Sun Xinde;  Liu Zhongmin
关键词: zeolite catalyst ;  pore size ;  acidity ;  butene ;  oligomerization ;  higher olefin
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2007-10-01
卷: 28, 期:10, 页:919-924
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 ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: Butene-2 oligomerization was performed in a continuous flow fixed-bed reactor. Several zeolite catalysts with different acidity and textural properties were investigated in order to show the effects of acidity and pore size on the catalyst activity and selectivity for butene-2 oligomerization. A solid phosphorous acid catalyst was included as comparison. The acidity and pore size of various zeolites are important factors that influence the catalyst activity and selectivity for higher olefins in oligomerization. The zeolite with an 8-membered ring system shows low activity because of the strong diffusion resistance to butene-2. The zeolite with an 12-membered ring system lessens the diffusion limitation and results in a higher activity at lower temperature. As for the zeolites with a 10-membered ring system, the pore size and strong acidity improve the catalyst activity and selectivity for higher olefins further. Compared with the solid phosphorous acid catalyst with C-9+(=) selectivity of less than 30 %, the zeolite catalysts, such as ZSM-5, ZSM-22, and beta with 10- and 12-membered ring systems and with strong acid sites, show C-9+(=) selectivity of more than 50 %, which indicates the better catalytic performance of the zeolite catalysts.
关键词[WOS]: TRIMERIZATION ;  ISOBUTENE ;  CONVERSION ;  PROPYLENE ;  1-BUTENE ;  PROPENE ;  ZSM-5
语种: 英语
WOS记录号: WOS:000250972600017
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140607
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 116023, Peoples R China
2.Liaoning Univ Petr & Chem Technol, Fushun 113001, Peoples R China
3.Chinese Acad Sci, Grad Univ Beijing, Beijing 100049, Peoples R China

Recommended Citation:
Liu Shu,Wang Ligang,Liu Hongchao,et al. Catalytic performance of several zeolite catalysts for oligomerization of butene-2[J]. CHINESE JOURNAL OF CATALYSIS,2007,28(10):919-924.
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