The influence of pH and weak-acid anions on the dehydration of d-fructose

Kuster, B.F.M.; Temmink, Herman M.G.

doi:10.1016/s0008-6215(00)84808-9

Cited by 122 publications

(82 citation statements)

References 5 publications

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“…The greatest number of papers described the utilisation of DMSO as a solvent in the HMF synthesis. Nakamura, 29,30,36 35 and Kuster [53][54][55][56] tested polyethylene glycols. The last method allowed a decrease in the degree of HMF degradation to levulinic acid.…”

Section: The Kinetics Of the Hmf Synthesismentioning

confidence: 99%

Synthesis, chemistry and applications of 5-hydroxymethyl-furfural and its derivatives

Lewkowski¹

2001

Arkivoc

414

144

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Section: The Kinetics Of the Hmf Synthesismentioning

confidence: 99%

Synthesis, chemistry and applications of 5-hydroxymethyl-furfural and its derivatives

Lewkowski¹

2001

Arkivoc

414

144

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“…First, the absence of levulinic acid from the liquid effluent in all experiments is significant. Levulinic acid is typically formed from the ionic, acid-catalyzed hydrolysis of SHMF (Kuster and Temmink, 1977). While SHMF is present in the effluent of hydrolysis experiments, the absence of levulinic acid suggests that it either is not formed or is rapidly hydrolyzed.…”

Section: Mechanistic Implications Of Product Spectramentioning

confidence: 99%

Glucose hydrolysis and oxidation in supercritical water

1995

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“…Conventionally, the reaction is carried out in water using a Brönsted acid with d-fructose as the preferred carbohydrate source [8][9][10][11][12][13][14][15][16][17][18][19][20]. Hydrochloric acid and sulfuric acid are the most commonly used Brönsted acids.…”

Section: Introductionmentioning

confidence: 99%

Experimental and modelling studies on the uncatalysed thermal conversion of inulin to 5-hydroxymethylfurfural and levulinic acid

Fachri

Abdilla

Rasrendra

et al. 2015

Sustain Chem Process

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Background: 5-Hydroxymethylfurfural (HMF), an important biobased platform chemical, is accessible by the acid catalysed conversion of biopolymers containing hexoses (cellulose, starch, inulin) and monomeric sugars derived thereof. We here report an experimental study on the uncatalysed, thermal conversion of inulin to HMF in aqueous solutions in a batch set-up. Results:The reactions were conducted in a temperature range of 153-187°C, an inulin loading between 0.03 and 0.12 g/mL and batch times between 18 and 74 min using a central composite experimental design. The highest experimental HMF yield in the process window was 35 wt% (45 mol%), which is 45% of the theoretical maximum (78 wt%). The HMF yields were modeled using a statistical approach and good agreement between experiment data and model was obtained. The possible autocatalytic role of formic acid (FA) and levulinic acid, two main byproducts, was probed by performing reactions in the presence of these acids and it was shown that particularly FA acts as a catalyst. Conclusions:Inulin is an interesting feed for the synthesis of HMF in water. A catalyst is not required, though autocatalytic effects of FA play a major role and also affect reaction rates and product yields. Graphical abstract:Chicory 5-hydroxymethylfurfural No catalystInulin

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The influence of pH and weak-acid anions on the dehydration of d-fructose

Cited by 122 publications

References 5 publications

Synthesis, chemistry and applications of 5-hydroxymethyl-furfural and its derivatives

Synthesis, chemistry and applications of 5-hydroxymethyl-furfural and its derivatives

Glucose hydrolysis and oxidation in supercritical water

Experimental and modelling studies on the uncatalysed thermal conversion of inulin to 5-hydroxymethylfurfural and levulinic acid

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