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Formation of Acetic Acid by Aqueous-Phase Oxidation of Ethanol with Air in the Presence of a Heterogeneous Gold Catalyst

Authors

  • Claus H. Christensen Prof.,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Betina Jørgensen,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Jeppe Rass-Hansen,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Kresten Egeblad,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Robert Madsen Prof.,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Søren K. Klitgaard,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Stine M. Hansen,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Mike R. Hansen,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Hans C. Andersen,

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • Anders Riisager Prof.

    1. Center for Sustainable and Green Chemistry, Department of Chemistry, Technical University of Denmark, Kemitorvet building 207, 2800 Kgs. Lyngby, Denmark, Fax: (+45) 4525-2235
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  • The Center for Sustainable and Green Chemistry is sponsored by the Danish National Research Foundation. Financial support from the Danish Research Agency (grant 2104-04-0003) is acknowledged.

Abstract

original image

Wine into vinegar: It is possible to selectively oxidize ethanol into acetic acid in aqueous solution with air as the oxidant and a heterogeneous gold catalyst (see TEM image of supported gold particles) at temperatures of about 423 K and O2 pressures of 0.6 MPa. This reaction proceeds readily in aqueous acidic media with yields of up to 90 % and CO2 as the only major by-product.

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