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题名: A biodiesel additive: etherification of 5-hydroxymethylfurfural with isobutene to tert-butoxymethylfurfural
作者: Yang, Feifei1;  Zhang, Shuguang1;  Zhang, Z. Conrad2, 3;  Mao, Jingbo1;  Li, Shenmin1;  Yin, Jingmei1;  Zhou, Jinxia1
刊名: CATALYSIS SCIENCE & TECHNOLOGY
发表日期: 2015
DOI: 10.1039/c5cy00750j
卷: 5, 期:9, 页:4602-4612
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: Biodiesel is a sustainable and environmentally compatible diesel fuel substitute that presents certain limitations, particularly low-temperature flow properties, which are attributable to its long fatty chain structure. Branched alkyl derivates such as tertiary butyl ethers are efficient biodiesel additives for improved cold flow behaviour of biodiesel. In this study, tert-butoxymethylfurfural (tBMF) is synthesised as a biodiesel additive through etherification of 5-hydroxymethylfurfural (5-HMF), a non-edible biomass-derived building block, with isobutene (IB) on a series of acid zeolites and liquid acids. The catalytic activity and selectivity of a zeolite catalyst involve not only optimisation of the number and strength of its acidic sites and adsorption properties but also promotion of its internal pore space. Efficient solvent systems did not include extremely weakly polar or strongly polar solvents but included moderately polar solvents, such as glycol dimethyl ether which presents suitable hydrophilic/hydrophobic properties. The HY zeolite with a SiO2/Al2O3 mole ratio of 12 in combination with glycol dimethyl ether solvent exhibited an excellent tBMF selectivity of 94 mol% with 59 mol% 5-HMF conversion after 3 h of reaction at 60 degrees C. Side reactions of 5-HMF dimerisation and the IB oligomerisation were minimal under mild reaction conditions. The activity of the deactivated catalyst was fully recovered by calcination in air, and a detailed deactivation mechanism was proposed.
关键词[WOS]: SELECTIVE ETHERIFICATION ;  GLYCEROL ;  ZEOLITES ;  CATALYSTS ;  TRIMERIZATION ;  ISOMERIZATION ;  PERFORMANCE ;  CONVERSION ;  MOLECULES ;  FRUCTOSE
语种: 英语
WOS记录号: WOS:000359563300036
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146443
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.Dalian Univ, Coll Environm & Chem Engn, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian, Peoples R China

Recommended Citation:
Yang, Feifei,Zhang, Shuguang,Zhang, Z. Conrad,et al. A biodiesel additive: etherification of 5-hydroxymethylfurfural with isobutene to tert-butoxymethylfurfural[J]. CATALYSIS SCIENCE & TECHNOLOGY,2015,5(9):4602-4612.
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