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题名: Normal Hexane Hydroisomerization Over an Alumina and Yttria Promoted Pt/SO42-/ZrO2 Catalyst
作者: Zhou, J. J.1;  Song, Y. Q.1;  Zhang, Y. F.1;  Zhang, X. H.1;  Zhou, X. L.1;  Li, C. L.1;  Xu, L. Y.2
关键词: hydroisomerization ;  n-hexane ;  platinum ;  promoter ;  sulfated zirconia
刊名: PETROLEUM SCIENCE AND TECHNOLOGY
发表日期: 2013-12-02
DOI: 10.1080/10916466.2011.576371
卷: 31, 期:23, 页:2518-2526
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Energy & Fuels ;  Engineering, Chemical ;  Engineering, Petroleum
研究领域[WOS]: Energy & Fuels ;  Engineering
英文摘要: Sulfated zirconia was promoted with alumina and yttria in order to improve catalyst isomerization behaviors. The n-hexane hydroisomerization reaction was carried out in a continuous flow fixed-bed reactor for 80 h on stream to evaluate catalyst reaction stability. The catalyst was characterized by XRD, TGA, H-2-TPR, and NH3-TPD technologies in order to investigate the crystalline structure, sulfur content, reduction behavior, and acidity of the catalyst. It was proved that the addition of alumina and yttria obviously increased the sulfur content on the fresh catalyst and also markedly stabilized the sulfur species on the used catalysts. Thus, the modified catalyst possessed the better stable activity and selectivity although the addition of promoter could not enhance the isomerization activity. The crystalline structure of sulfated zirconia, acidity, and sulfur content only showed a limited influence on the isomerization activity of the catalyst. This work would have potential use to prepare an ideal catalyst for a commercial alkane hydroisomerization unit.
关键词[WOS]: N-BUTANE ISOMERIZATION ;  SULFATED ZIRCONIA CATALYSTS ;  SO42-/ZRO2 ;  SO42-/AL2O3-ZRO2 ;  TEMPERATURES ;  PLATINUM ;  ALKANES ;  METAL
语种: 英语
WOS记录号: WOS:000326310200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137924
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.E China Univ Sci & Technol, Petr Proc Res Ctr, Shanghai 200237, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Liaoning, Peoples R China

Recommended Citation:
Zhou, J. J.,Song, Y. Q.,Zhang, Y. F.,et al. Normal Hexane Hydroisomerization Over an Alumina and Yttria Promoted Pt/SO42-/ZrO2 Catalyst[J]. PETROLEUM SCIENCE AND TECHNOLOGY,2013,31(23):2518-2526.
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