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Efficient production of 5-hydroxymethylfurfural and alkyl levulinate from biomass carbohydrate using ionic liquid-based polyoxometalate salts
Chen, Jinzhu1; Zhao, Guoying1; Chen, Limin2
2014
发表期刊RSC ADVANCES
卷号4期号:8页码:4194-4202
摘要Direct conversion of fructose into 5-hydroxymethylfurfural (HMF) and alkyl levulinate is achieved by making use of ionic liquid-based polyoxometalate salts (IL-POMs) as solid acid catalysts. Among these solid acids, phosphotungstic acid-derived IL-POM shows the highest catalytic performance in both the HMF and ethyl levulinate (EL) formation. A study for optimizing the reaction conditions such as the reaction time and the temperature has been performed. High HMF and EL yields of up to 99% and 82%, respectively, are obtained from fructose under the investigated conditions. Moreover, the generality of the catalyst is further demonstrated by processing representative di- and polysaccharides such as sucrose and inulin with good yields to HMF (76% from inulin and 48% from sucrose) and EL (67% from inulin and 45% from sucrose), again under mild conditions, thereby eliminating the separate hydrolysis step before the dehydration reaction. The catalyst recycling experiment indicates that the adsorption and accumulation of oligomeric products on the catalyst surface results in a partial deactivation of catalyst. The mechanism research reveals that a major pathway for EL formation involves a fructose-to-HMF transformation followed by HMF etherification and rehydration of HMF-ether to give EL. The research highlights an efficient, environment-friendly and recyclable solid acid for biomass valorization.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c3ra45632c
研究领域[WOS]Chemistry
关键词[WOS]SOLID ACID CATALYSTS ; ETHYL LEVULINATE ; FURFURYL ALCOHOL ; ORGANIC FRAMEWORK ; D-FRUCTOSE ; CONVERSION ; DEHYDRATION ; HYBRID ; WATER ; GLUCOSE
收录类别SCI
语种英语
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000329040500069
引用统计
被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10759
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, CAS Key Lab Renewable Energy, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.S China Univ Technol, Guangdong Prov Key Lab Atmospher Environm & Pollu, Coll Environm & Energy, Guangzhou 510006, Guangdong, Peoples R China
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Chen, Jinzhu,Zhao, Guoying,Chen, Limin. Efficient production of 5-hydroxymethylfurfural and alkyl levulinate from biomass carbohydrate using ionic liquid-based polyoxometalate salts[J]. RSC ADVANCES,2014,4(8):4194-4202.
APA Chen, Jinzhu,Zhao, Guoying,&Chen, Limin.(2014).Efficient production of 5-hydroxymethylfurfural and alkyl levulinate from biomass carbohydrate using ionic liquid-based polyoxometalate salts.RSC ADVANCES,4(8),4194-4202.
MLA Chen, Jinzhu,et al."Efficient production of 5-hydroxymethylfurfural and alkyl levulinate from biomass carbohydrate using ionic liquid-based polyoxometalate salts".RSC ADVANCES 4.8(2014):4194-4202.
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