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
Source PublicationAPPLIED CATALYSIS A-GENERAL
ISSN0926-860X
Volume498Issue:6Pages:214-221
Abstract

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.

KeywordGlucose Dehydration 5-hydroxymethylfurfural Lewis Acid Salts Ionic Radii
DOI10.1016/j.apcata.2015.03.037
Indexed BySCI
WOS IDWOS:000355354600023
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4292
Collection新疆维吾尔自治区精细化工工程技术研究中心
资源化学研究室
AffiliationChinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China;Iowa State Univ, Dept Chem & Biol Engn, Ames, IA 50011 USA
Recommended Citation
GB/T 7714
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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