PROCESS FOR PREPARING HMF

The invention relates to a method for producing 5-hydroxymethylfurfural (HMF) in a continuous process, which leads to the obtainment of an HMF fraction, a carbohydrate/acid fraction, a fructose fraction, and a levulinic-acid and formic-acid fraction and advantageously makes it possible, because of t...

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Bibliographische Detailangaben
Hauptverfasser:	KRAUS, Wolfgang, GRAF, Alain-Michel, KUNZ, Markwart, HAJI BEGLI, Alireza, KROENER, Christine, WACH, Wolfgang
Format:	Patent
Sprache:	eng ; hun
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:	The invention relates to a method for producing 5-hydroxymethylfurfural (HMF) in a continuous process, which leads to the obtainment of an HMF fraction, a carbohydrate/acid fraction, a fructose fraction, and a levulinic-acid and formic-acid fraction and advantageously makes it possible, because of the purity of the obtained fractions, to return the fructose fraction obtained by means of the method directly to the production process and to use the other fractions in further-processing processes without the need for complex, additional purification steps.