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题名: Catalytic conversion of cellulose into ethylene glycol over supported carbide catalysts
作者: Ji, Na1, 2;  Zhang, Tao1;  Zheng, Mingyuan1;  Wang, Aiqin1;  Wang, Hui1, 2;  Wang, Xiaodong1;  Shu, Yuying1;  Stottlemyer, Alan L.3;  Chen, Jingguang G.3
通讯作者: 张涛 ;  陈经广
关键词: Biofuels ;  Catalysis ;  Cellulose ;  Sustainable chemistry ;  Tungsten carbides
刊名: CATALYSIS TODAY
发表日期: 2009-09-30
DOI: 10.1016/j.cattod.2009.03.012
卷: 147, 期:2, 页:77-85
收录类别: SCI ;  ISTP
文章类型: Article
部门归属: 15
项目归属: 1501
产权排名: 1;1
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: In the current paper we present a combined catalytic and surface science studies to evaluate the utilization of carbide catalysts for the conversion of cellulose to polyols, especially to ethylene glycol (EG). Based on catalytic studies over a W(2)C catalyst, the EG yield has been optimized by varying H(2) pressure, reaction temperature and time. The catalytic performance has been compared for several types of supported catalysts, including tungsten carbides, molybdenum carbides and platinum on different supports. Among all the catalysts, tungsten carbide supported on activated carbon, W(2)C/AC, shows the highest EG yield, which is further enhanced to 61% with the promotion of Ni. The corresponding surface science studies indicate that the enhanced EG yield is at least partially due to a weaker bonding between EG and Ni-promoted tungsten carbide surface. (C) 2009 Elsevier B.V. All rights reserved.
关键词[WOS]: TRANSITION-METAL CARBIDES ;  HYDRAZINE DECOMPOSITION ;  TUNGSTEN CARBIDE ;  SURFACE SCIENCE ;  HYDROLYSIS ;  CARBON ;  MOLYBDENUM ;  METHANOL ;  WATER ;  ELECTROCATALYSTS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000269765200004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102401
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, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Univ Delaware, Dept Chem Engn, CCST, Newark, DE 19716 USA

Recommended Citation:
Ji, Na,Zhang, Tao,Zheng, Mingyuan,et al. Catalytic conversion of cellulose into ethylene glycol over supported carbide catalysts[J]. CATALYSIS TODAY,2009,147(2):77-85.
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