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学科主题: 物理化学
题名: Nickel-Promoted Tungsten Carbide Catalysts for Cellulose Conversion: Effect of Preparation Methods
作者: Ji, Na1;  Zheng, Mingyuan1;  Wang, Aiqin1;  Zhang, Tao1;  Chen, Jingguang G.2
通讯作者: 张涛 ;  JingguangGChen
关键词: biomass ;  heterogeneous catalysis ;  nickel ;  tungsten ;  X-ray diffraction
刊名: CHEMSUSCHEM
发表日期: 2012
DOI: 10.1002/cssc.201100575
卷: 5, 期:5, 页:939-944
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1501
产权排名: 1,1
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A series of Ni-promoted W2C catalysts was prepared by means of a post-impregnation method and evaluated for the catalytic conversion of cellulose into ethylene glycol (EG). Quite different from our previously reported NiW2C/AC catalysts, which were prepared by using the co-impregnation method, the introduction of Ni by the post-impregnation method did not cause catalyst sintering, but resulted in redispersion of the W component, which was identified and characterized by means of XRD, TEM, and CO chemisorption. The highly dispersed Ni-promoted W2C catalyst was very active and selective in cellulose conversion into EG, with a 100?% conversion of cellulose and a 73.0?% yield in EG. The underlying reason for the enhanced catalytic performance was most probably the significantly higher dispersion of active sites on the catalyst.
关键词[WOS]: ETHYLENE-GLYCOL ;  HYDRAZINE DECOMPOSITION ;  PLATFORM CHEMICALS ;  BIOMASS ;  FUELS
语种: 英语
WOS记录号: WOS:000303854800018
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117793
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.CAS, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Univ Delaware, Dept Chem Engn, Newark, DE 19716 USA

Recommended Citation:
Ji, Na,Zheng, Mingyuan,Wang, Aiqin,et al. Nickel-Promoted Tungsten Carbide Catalysts for Cellulose Conversion: Effect of Preparation Methods[J]. CHEMSUSCHEM,2012,5(5):939-944.
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