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题名: Skeletal isomerization of n-pentane: A comparative study on catalytic properties of Pt/WOx-ZrO2 and Pt/ZSM-22
作者: Li, Wei1, 4;  Chi, Kebin3;  Liu, Hao1;  Ma, Huaijun1;  Qu, Wei1;  Wang, Congxin1;  Lv, Guang1, 4;  Tian, Zhijian1, 2
关键词: n-Pentane ;  Skeletal isomerization ;  Pt/WOx-ZrO2 ;  Pt/ZSM-22 ;  Hydrogen spillover ;  Spatial confinement
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 2017-05-05
DOI: 10.1016/j.apcata.2017.03.005
卷: 537, 页:59-65
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Pt/WOx-ZrO2 and Pt/ZSM-22 were prepared and used as catalysts for the n-pentane hydroisomerization reactions. The physico-chemical properties of the supports were characterized by XRD, N-2 adsorption, NH3-TPD and 1-pentene isomerization reaction. The reducibility and adsorbability of the catalysts were evaluated via H-2-TPR, H-2-TPD and CO adsorption. Under the reaction condition of WHSV = 1 h(-1), Pn-pentane,0 = 0.24bar and ambient pressure, the yields of isopentane over Pt/WOx-ZrO2 and Pt/ZSM-22 can reach 52% (at 300 degrees C) and 61% (at 340 degrees C) respectively. The selectivities to isopentane over these two catalysts are well above 95%. The hydroisomerization mechanisms over these catalysts are discussed. (C) 2017 Elsevier B.V. All rights reserved.
关键词[WOS]: SOLID ACIDS ;  TUNGSTEN-OXIDE ;  1-PENTENE ISOMERIZATION ;  SULFATED ZIRCONIA ;  HYDROGEN ;  PLATINUM ;  ALKANES ;  HYDROISOMERIZATION ;  MECHANISM ;  ZEOLITES
语种: 英语
WOS记录号: WOS:000400200300007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151989
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 Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.PetroChina Co Ltd, Petrochem Res Inst, Beijing 102206, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Li, Wei,Chi, Kebin,Liu, Hao,et al. Skeletal isomerization of n-pentane: A comparative study on catalytic properties of Pt/WOx-ZrO2 and Pt/ZSM-22[J]. APPLIED CATALYSIS A-GENERAL,2017,537:59-65.
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