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题名: ZnO-Carbon-Nanotube Composite Supported Nickel Catalysts for Selective Conversion of Cellulose into Vicinal Diols
作者: van der Wijst, Cornelis1;  Duan, Xuezhi1;  Liland, Ingvild Skeie1;  Walmsley, John C.3;  Zhu, Jun1;  Wang, Aiqin2;  Zhang, Tao2;  Chen, De1
关键词: alcohols ;  cellulose ;  nanotubes ;  nickel ;  zinc
刊名: CHEMCATCHEM
发表日期: 2015-09-14
DOI: 10.1002/cctc.201500486
卷: 7, 期:18, 页:2991-2999
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: A ZnO-nanolayer-coated carbon nanotube (CNT) composite (ZnO-CNT) was employed as a support to immobilise Ni catalysts. Well-mixed oxides, formed as a result of enhanced interfaces between the two oxides on CNTs, resulted in the formation of Ni-Zn alloys in reduced catalysts. The Ni/ZnO-CNT catalyst exhibited much higher yields of vicinal diols, for example, ethylene glycol and 1,2-propylene glycol, from the conversion of cellulose than the reference Ni/CNT catalyst. A plausible reaction network on the Ni/ZnO-CNT catalyst has been proposed. Moreover, the effects of Ni loading and catalyst reduction temperature on the catalytic performance were probed, and the relationship between the catalyst structure and the yields of vicinal diols was correlated. The Ni-rich alloy, relative to the Zn-rich alloy, was suggested as the dominating active phase for the selective conversion of cellulose into vicinal diols. This might shed new light on the design and optimisation of Ni-based catalysts for the catalytic conversion of cellulose with the Ni-Zn interaction.
关键词[WOS]: HOT-COMPRESSED WATER ;  ETHYLENE-GLYCOL ;  RENEWABLE CHEMICALS ;  CARBIDE CATALYSTS ;  SUGAR ALCOHOLS ;  BIOMASS ;  HYDROLYSIS ;  POLYOLS ;  SYSTEM ;  PHASE
语种: 英语
WOS记录号: WOS:000361189400031
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146518
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.Norwegian Univ Sci & Technol, Dept Chem Engn, N-7491 Trondheim, Norway
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
3.SINTEF Mat & Chem, N-7465 Trondheim, Norway

Recommended Citation:
van der Wijst, Cornelis,Duan, Xuezhi,Liland, Ingvild Skeie,et al. ZnO-Carbon-Nanotube Composite Supported Nickel Catalysts for Selective Conversion of Cellulose into Vicinal Diols[J]. CHEMCATCHEM,2015,7(18):2991-2999.
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