5-Hydroxymethylfurfural production from sugars and cellulose in acid- and base-catalyzed conditions under hot compressed water
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Publication Details
Author list: Daorattanachai P., Namuangruk S., Viriya-empikul N., Laosiripojana N., Faungnawakij K.
Publisher: Elsevier
Publication year: 2012
Journal: Journal of Industrial and Engineering Chemistry (1226-086X)
Volume number: 18
Issue number: 6
Start page: 1893
End page: 1901
Number of pages: 9
ISSN: 1226-086X
Languages: English-Great Britain (EN-GB)
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Abstract
The conversion of glucose, fructose, and cellulose to 5-hydroxymethylfurfural (HMF) was studied under hot compressed water. The effect of acid (H 3PO 4) and base (NaOH) catalysts was examined by combining experimental and theoretical studies. The experimental results showed that formation of HMF from fructose is more facile than that from glucose and cellulose. The density functional calculations explained the effect of catalysts on reaction mechanism and energy profile of glucose transformation. The ring-opening of β-glucose is predicted as the rate-limiting step in non-catalytic system, while the tautomerization or the hydride-shift is the rate-limiting step in the basic and acidic conditions, respectively. © 2012 The Korean Society of Industrial and Engineering Chemistry.
Keywords
5-Hydroxymethylfurfural, Density functional theory, Enediol intermediate, Hot compressed water, isomerization, Phosphoric acid
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