Synthesis of 5-Hydroxymethylfurfural from Dehydration of Fructose And Glucose Using Ionic Liquids

Melo, Fernanda Colpo de; Souza, Roberto Fernando de; Coutinho, Paulo Luiz de Andrade; Souza, Michèle Oberson de

doi:10.5935/0103-5053.20140256

Cited by 10 publications

(6 citation statements)

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“…The mechanistic pathways can be divided in two groups. The first one assumes the reaction to proceed via acyclic intermediates, whereas the second type, largely reported in the literature, hypothesizes cyclic intermediates [32]. Scheme 1 shows the possible mechanism involving cyclic intermediates for the conversion of fructose to HMF and then to LA and FA.…”

Section: Introductionmentioning

confidence: 99%

Microwave-assisted dehydration of fructose and inulin to HMF catalyzed by niobium and zirconium phosphate catalysts

Antonetti

Melloni

Licursi

et al. 2017

Applied Catalysis B: Environmental

112

106

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Section: Introductionmentioning

confidence: 99%

Microwave-assisted dehydration of fructose and inulin to HMF catalyzed by niobium and zirconium phosphate catalysts

Antonetti

Melloni

Licursi

et al. 2017

Applied Catalysis B: Environmental

112

106

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“…Triple dehydration from fructose to HMF . A consequent oxidation leads to 2,5-diformyl furan, while the loss of formaldehyde or CO produces furfural …”

Section: Resultsmentioning

confidence: 99%

Gas-Phase Fructose Conversion to Furfural in a Microfluidized Bed Reactor

Carnevali

Guévremont

Rigamonti

et al. 2018

ACS Sustainable Chem. Eng.

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Specialty chemicals from sugars are destined to displace fermentation to alcohols due to their superior economic value and atom efficiency. Compared to bioethanol, retention of oxygen functional groups increases by 2–5 times the market value of specialty chemicals like furfural, 2,5-furan dicarboxylic acid, 2,5-dimethyl furan, and γ-valerolactone. For the first time, we report a gas-phase process that converts C-6 monosaccharides to furfural in a microfluidized bed reactor. A spray nozzle inserted directly into the catalytic bed atomizes a fructose–water solution to micron-sized droplets; water evaporates, and WO3/TiO2 converts fructose to furfural. Furfural yield reached 22% after 3 h time-on-stream with 15% diformyl furan as coproduct. Acetic acid yield was mostly below 10% but was as high as 27%. During the initial tests, coke and catalyst agglomerates blocked the sparger tip, and run time varied between 1 and 3 h. Insulating the nozzle leading into the bed reduced the injector wall temperature and improved reactor operability; the 15 mm i.d. reactor ran continuously for 19 h after this modification.

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“…Scheme 1: Mechanism of cellulose interacting with IL (adapted and modified from [60], [61], and [62]. The blue dots indicate H-bonding.…”

Section: 𝑳 = 𝑲𝝀 (𝜷𝒄𝒐𝒔𝜽)mentioning

confidence: 99%

A Comparative Study of Ionothermal Treatment of Rice Straw Using Triflate and Acetate-Based Ionic Liquids

et al. 2021

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Synthesis of 5-Hydroxymethylfurfural from Dehydration of Fructose And Glucose Using Ionic Liquids

Cited by 10 publications

References 0 publications

Microwave-assisted dehydration of fructose and inulin to HMF catalyzed by niobium and zirconium phosphate catalysts

Microwave-assisted dehydration of fructose and inulin to HMF catalyzed by niobium and zirconium phosphate catalysts

Gas-Phase Fructose Conversion to Furfural in a Microfluidized Bed Reactor

A Comparative Study of Ionothermal Treatment of Rice Straw Using Triflate and Acetate-Based Ionic Liquids

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