Hydrogenation of citral has been studied over Pt and Pt-Sn catalysts supported on activated carbon. Under the conditions used the unsaturated alcohols, geraniol and nerol, were the main reaction products. Addition of a small amount of tin (20% at.) to Pt/C increases the overall catalytic activity whereas a decrease is observed at higher tin contents. Addition of tin leads also to an increase in the selectivity to unsaturated alcohols which reaches a value of about 90%. The higher selectivity and activity are attributed to an activation of the C=O bond by tin ions.

SELECTIVE HYDROGENATION OF CITRAL OVER PT-SN SUPPORTED ON ACTIVATED CARBON

NERI, Giovanni;MILONE, Candida;VISCO, Annamaria
1994-01-01

Abstract

Hydrogenation of citral has been studied over Pt and Pt-Sn catalysts supported on activated carbon. Under the conditions used the unsaturated alcohols, geraniol and nerol, were the main reaction products. Addition of a small amount of tin (20% at.) to Pt/C increases the overall catalytic activity whereas a decrease is observed at higher tin contents. Addition of tin leads also to an increase in the selectivity to unsaturated alcohols which reaches a value of about 90%. The higher selectivity and activity are attributed to an activation of the C=O bond by tin ions.
1994
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11570/1888488
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