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学科主题: 物理化学
题名: Catalytic conversion of concentrated miscanthus in water for ethylene glycol production
作者: Pang, Jifeng1;  Zheng, Mingyuan1;  Wang, Aiqin1;  Sun, Ruiyan1;  Wang, Hua1;  Jiang, Yu1;  Zhang, Tao1
通讯作者: 张涛
关键词: concentrated ;  miscanthus ;  ethylene glycol ;  binary catalyst
刊名: AICHE JOURNAL
发表日期: 2014-06-01
DOI: 10.1002/aic.14406
卷: 60, 期:6, 页:2254-2262
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Miscanthus, a promising energy crop, was used for ethylene glycol (EG) production through one-pot catalytic conversion. With a binary catalyst composed of commercial tungstic acid and Raney Ni, the miscanthus with 1 % concentration was transformed into EG with a yield of 35.5%. However, the yield dropped to 13.6% as the miscanthus concentration was increased to 10 %. The underlying reason for the yield decrease was disclosed through analysis of the liquid products, investigation of pretreatments, and characterization of the catalysts. It was found that the protectors on the surface of miscanthus and the lignin component underwent decomposition under reaction conditions, resulting in the formation of some organic acids and unsaturated compounds that preferentially poisoned the Raney Ni catalyst and consequently decreased the EG yield. When the inhibitors were effectively removed by base solvent pretreatment, the EG yield was successfully improved to 39.0% even under 10% concentration of feedstock. (c) 2014 American Institute of Chemical Engineers AIChE J, 60: 2254-2262, 2014
关键词[WOS]: SUPPORTED CARBIDE CATALYSTS ;  LIGNOCELLULOSIC BIOMASS ;  BIMETALLIC CATALYSTS ;  SELECTIVE CONVERSION ;  RUTHENIUM CATALYST ;  WOODY BIOMASS ;  LIQUID FUELS ;  CORN STALK ;  CELLULOSE ;  CHEMICALS
语种: 英语
WOS记录号: WOS:000335196900023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144219
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

Recommended Citation:
Pang, Jifeng,Zheng, Mingyuan,Wang, Aiqin,et al. Catalytic conversion of concentrated miscanthus in water for ethylene glycol production[J]. AICHE JOURNAL,2014,60(6):2254-2262.
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