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PublicationACS Catalysis
Year2011
Volume1 (12)
Pages1724-1728
International

Xylose isomerization to xylulose and its dehydration to furfural in aqueous media

Authors:Vinit Choudhary , Ana Belén Pinar Prieto, Stanley I. Sandler , Dionisios G. Vlachos , Raul F. Lobo
Groups of research:Molecular Sieves
A nonenzymatic route for xylose isomerization in an aqueous medium using zeolite Sn-beta as a catalyst is demonstrated. Xylulose and lyxose are the primary and secondary products. The maximum yield to xylulose is 27%, with an 11% yield to lyxose at 60% xylose conversion at 100 °C. When the Sn-beta zeolite is combined with a Brønsted acid catalyst, furfural forms in a single pot from xylose in an aqueous medium at much lower temperatures than typically employed for this reaction.
Keywords:xylose; xylulose; isomerization; Sn-beta; zeolite; furfural
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