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Hydrogenation of citral on Ir/SiO2 catalysts. Effect of the addition of Nb2O5 on surface and catalytic properties

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Abstract

Hydrogenation of citral over Ir supported on SiO2, Nb2O5 and Ir/Nb2O5-SiO2 catalysts reduced at 473 K (LT) and 773 K (HT) was studied. High selectivity to unsaturated alcohol was found, the main reaction products being geraniol and nerol. The LT catalysts show higher conversion levels, the one with a higher Nb content displays highest conversion.

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Authors and Affiliations

  1. Grupo de Catálisis (GC-UPTC), Facultad de Ciencias Básicas, Universidad Pedagógica y Tecnológica de Colombia UPTC, Tunja, Colombia

    Gloria Borda, Hugo Rojas & Julie Murcia

  2. Instituto de Catálisis y Petroleoquímica (CSIC), Madrid, España

    J. L. G. Fierro

  3. Facultad de Ciencias Químicas, Universidad de Concepción, Concepción, Chile

    Patricio Reyes & Marcelo Oportus

Authors
  1. Gloria Borda
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  2. Hugo Rojas
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  3. Julie Murcia
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  4. J. L. G. Fierro
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  5. Patricio Reyes
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  6. Marcelo Oportus
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Correspondence to Hugo Rojas.

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Borda, G., Rojas, H., Murcia, J. et al. Hydrogenation of citral on Ir/SiO2 catalysts. Effect of the addition of Nb2O5 on surface and catalytic properties. React Kinet Catal Lett 92, 369–376 (2007). https://doi.org/10.1007/s11144-007-5145-x

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  • DOI: https://doi.org/10.1007/s11144-007-5145-x

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