2020
DOI: 10.1039/c9ra09997b
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5-HMF production from glucose using ion exchange resin and alumina as a dual catalyst in a biphasic system

Abstract: 5-HMF is a platform chemical that can be used in many applications such as biofuels, monomers, industrial feed stocks, etc. In this work 5-HMF was synthesized from glucose in a biphasic system using a batch reactor. Aluminium oxide and ion exchange resin were used as catalysts in this system. The organic solvent and aqueous solvent were methyl isobutyl ketone (MIBK) and 1-methyl-2-pyrrolidinone (NMP).The effect of operating conditions for synthesis of 5-HMF on the yield and selectivity of 5-HMF was studied inc… Show more

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Cited by 29 publications
(15 citation statements)
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“…5-HMF is produced by triple dehydration of fructose, which is derived from glucose isomerization. Direct production of 5-HMF from cellulose involves subsequent steps of acid-catalyzed hydrolysis of cellulose, Lewis acid- or base-catalyzed isomerization of glucose to fructose, and finally acid-catalyzed fructose dehydration . 5-HMF further hydrolyses with water to form levulinic acid; thus direct synthesis is difficult under hydrothermal conditions which is a prerequisite for cellulose hydrolysis.…”
Section: Catalytic Processes For Production Of Furfural Levulinic Aci...mentioning
confidence: 99%
See 1 more Smart Citation
“…5-HMF is produced by triple dehydration of fructose, which is derived from glucose isomerization. Direct production of 5-HMF from cellulose involves subsequent steps of acid-catalyzed hydrolysis of cellulose, Lewis acid- or base-catalyzed isomerization of glucose to fructose, and finally acid-catalyzed fructose dehydration . 5-HMF further hydrolyses with water to form levulinic acid; thus direct synthesis is difficult under hydrothermal conditions which is a prerequisite for cellulose hydrolysis.…”
Section: Catalytic Processes For Production Of Furfural Levulinic Aci...mentioning
confidence: 99%
“…Direct production of 5-HMF from cellulose involves subsequent steps of acid-catalyzed hydrolysis of cellulose, Lewis acid-or base-catalyzed isomerization of glucose to fructose, and finally acid-catalyzed fructose dehydration. 106 5-HMF further hydrolyses with water to form levulinic acid; thus direct synthesis is difficult under hydrothermal conditions which is a prerequisite for cellulose hydrolysis. Table 4 shows glucose and fructose dehydration to 5-HMF using various metal oxides/supported metal oxides.…”
Section: Catalytic Processes For Production Of Furfural Levulinic Aci...mentioning
confidence: 99%
“…Two pathways are proposed: In the first one, glucose is initially converted to fructose by isomerization over a Lewis-acid catalyst followed by dehydration to HMF over a Brønsted-acid catalyst (Figure ). Recently, Nakajima et al proposed stepwise dehydration of HMF directly from glucose via the formation of unstable carbonyl intermediates. This stepwise dehydration is mainly realized on NbOx and TiOx types of materials. , …”
Section: Amination Of Biomass-derived Oxygenatesmentioning
confidence: 99%
“…They have great potential for transformation of biomass efficiently. Recently, various types of solid acid catalysts, including zeolites, cation-exchange resins, carbonaceous solid acids, transition-metal oxides, catalyst-supported solid acids, and heteropoly compounds, have been applied in glucose conversion. The mechanisms of HMF formation from glucose, as well as recent achievements in one-pot glucose conversion into HMF, are reviewed in this section.…”
Section: Thermal Catalytic Transformations Of Biomass-derived Glucosementioning
confidence: 99%