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Production of 5-hydroxymethylfurfural from fructose by a thermo-regulated and recyclable Bronsted acidic ionic liquid catalyst
Ma, YB (Ma, Yubo); Qing, SJ (Qing, Shaojun); Wang, L (Wang, Lei); Islam, N (Islam, Nurali); Guan, SZ (Guan, Shuzhe); Gao, ZX (Gao, Zhixian); Mamat, X (Mamat, Xamxikamar); Li, HY (Li, Hongyi); Eli, W (Eli, Wumanjiang); Wang, TF (Wang, Tianfu)
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:59Pages:47377-47383
Abstract

In this work, a thermo-regulated recyclable catalytic system using ionic liquid [HO(2)CMMIm] Cl as the catalyst and isopropanol as the solvent has been demonstrated to be effective for the dehydration of fructose to synthesize 5-hydroxymethylfurfural (HMF). The solubility of [HO(2)CMMIm] Cl ionic liquid in isopropanol is temperature-dependent, being miscible with isopropanol at a temperature range suitable for fructose dehydration (e.g., above 80 degrees C) while not soluble at lower temperatures such as room temperature. Temperature-responsive solubilization/precipitation of [HO(2)CMMIm] Cl in isopropanol renders the acidic ionic liquid an appealing thermo-regulated phase-switchable catalyst. Furthermore, the effects of various parameters including catalyst loading, fructose concentration, reaction time and temperature on the catalytic performance of fructose dehydration have been studied systematically. Under optimized reaction conditions, up to 91.2 mol% HMF yield could be obtained. Additionally, when the ionic liquid catalyst precipitated out after the reaction, the solvent can be simply decanted and [HO(2)CMMIm] Cl could be directly reused for the next run with freshly added solvent and substrate. It was found that [HO(2)CMMIm] Cl could be reused at least five times without considerable loss of activity. Furthermore, a kinetic analysis was carried out, indicating the activation energy for the reaction to be 62.1 kJ mol(-1). This catalytic system can be envisioned to find applications in a wide range of acidcatalyzed reactions with facile, thermo-regulated catalyst recovery features.

DOI10.1039/c5ra08107f
Indexed BySCI
WOS IDWOS:000355703700013
Citation statistics
Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5186
Collection资源化学研究室
Corresponding AuthorWang, TF (Wang, Tianfu)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Inst Coal Chem, Taiyuan 030001, Peoples R China
3.Xinjiang Univ, Dept Chem & Chem Engn, Urumqi 830011, Peoples R China
4.Xinjiang Inst Engn, Urumqi 830011, Peoples R China
5.Xinjiang Prod Supervis & Inspect Inst Technol, Urumqi 830011, Peoples R China
Recommended Citation
GB/T 7714
Ma, YB ,Qing, SJ ,Wang, L ,et al. Production of 5-hydroxymethylfurfural from fructose by a thermo-regulated and recyclable Bronsted acidic ionic liquid catalyst[J]. RSC ADVANCES,2015,5(59):47377-47383.
APA Ma, YB .,Qing, SJ .,Wang, L .,Islam, N .,Guan, SZ .,...&Wang, TF .(2015).Production of 5-hydroxymethylfurfural from fructose by a thermo-regulated and recyclable Bronsted acidic ionic liquid catalyst.RSC ADVANCES,5(59),47377-47383.
MLA Ma, YB ,et al."Production of 5-hydroxymethylfurfural from fructose by a thermo-regulated and recyclable Bronsted acidic ionic liquid catalyst".RSC ADVANCES 5.59(2015):47377-47383.
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