Kinetics of glucose dehydration catalyzed by homogeneous Lewis acidic metal salts in water
Wang, TF (Wang, Tianfu); Glasper, JA (Glasper, Justin A.); Shanks, BH (Shanks, Brent H.)
2015
发表期刊APPLIED CATALYSIS A-GENERAL
ISSN0926-860X
卷号498期号:6页码:214-221
摘要

Glucose dehydration catalyzed by various Lewis acid metal salts was studied in a biphasic reaction system. The glucose conversion kinetic profile was used to examine the importance of the Lewis acid character for the different metal ions. It was found that the pH value of the aqueous solution played an important role in controlling the Lewis acid activities. For lanthanide chlorides, their Lewis acidities were comparable under the pH values from 2.5 to 5.5. However, the Lewis acid strength of other metal salts, such as aluminum chloride, showed a strong dependence on the solution pH. Apparent activation energies for the Lewis acid salts were calculated for glucose conversion to examine their dependence on the Lewis acid metal salt. Fructose dehydration experiments with the catalyst systems demonstrated that Lewis acids played a role in the dehydration reaction through accelerating fructose conversion but diminishing selectivity to the desired 5-hydroxymethylfurfural (HMF) product.

关键词Glucose Dehydration 5-hydroxymethylfurfural Lewis Acid Salts Ionic Radii
DOI10.1016/j.apcata.2015.03.037
收录类别SCI
WOS记录号WOS:000355354600023
引用统计
被引频次:24[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4292
专题新疆维吾尔自治区精细化工工程技术研究中心
作者单位Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA
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Wang, TF ,Glasper, JA ,Shanks, BH . Kinetics of glucose dehydration catalyzed by homogeneous Lewis acidic metal salts in water[J]. APPLIED CATALYSIS A-GENERAL,2015,498(6):214-221.
APA Wang, TF ,Glasper, JA ,&Shanks, BH .(2015).Kinetics of glucose dehydration catalyzed by homogeneous Lewis acidic metal salts in water.APPLIED CATALYSIS A-GENERAL,498(6),214-221.
MLA Wang, TF ,et al."Kinetics of glucose dehydration catalyzed by homogeneous Lewis acidic metal salts in water".APPLIED CATALYSIS A-GENERAL 498.6(2015):214-221.
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