4.2 Article

Acid sites characterization of niobium phosphate catalysts and their activity in fructose dehydration to 5-hydroxymethyl-2-furaldehyde

Journal

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Volume 151, Issue 1-2, Pages 233-243

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/S1381-1169(99)00248-4

Keywords

niobium phosphate; phosphoric acid-treated niobium oxide; heterogeneous catalysts; acid sites characterization; fructose dehydration; 5-hydroxymethyl-2-furaldehyde

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The nature of different acid sites on the surface of various niobium-based catalysts has been spectroscopically investigated by means of FT-IR and UV-VIS techniques. Surface acidity has been further characterized by acetonitrile adsorption and subsequent FT-IR analysis. The catalytic activity of the different examined samples has been preliminarily tested in the fructose dehydration to 5-hydroxymethyl-2-furaldehyde, a reaction of relevant industrial interest. (C) 2000 Elsevier Science B.V. All rights reserved.

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