Catalysts and supports for conversion of lactic acid to acrylic acid and 2,3-pentanedione

Garry C. Gunter, Robert H. Langford, James E. Jackson, Dennis J. Miller

    Research output: Contribution to journalArticle

    • 61 Citations

    Abstract

    The catalytic conversion of lactic acid over various sodium salt catalysts and support materials has been carried out to identify potential catalyst/support combinations for 2,3-pentanedione and acrylic acid production. Low surface area, pure silica is the best support for suppressing undesirable side reactions to acetaldehyde and propanoic acid, which are favored over high surface area (microporous) or surface acidic materials. The best catalysts for 2,3-pentanedione and acrylic acid formation are the sodium salts of group IV and group V oxides, with sodium arsenate giving a 2,3-pentanedione yield of 25% and combined selectivity to acrylic acid and 2,3-pentanedione of 83% at 300 °C and 0.5 MPa total pressure.

    Original languageEnglish (US)
    Pages (from-to)974-980
    Number of pages7
    JournalIndustrial and Engineering Chemistry Research
    Volume34
    Issue number3
    StatePublished - Mar 1995

    Profile

    Acids
    Lactic Acid
    acid
    Acrylics
    Sodium
    Catalyst supports
    Catalysts
    Edema Disease of Swine
    Afferent Loop Syndrome
    catalyst
    Salts
    sodium
    Lactic acid
    Traffic Accidents
    surface area
    salt
    Acetaldehyde
    Silicon Dioxide
    Oxides
    Silica

    ASJC Scopus subject areas

    • Chemical Engineering (miscellaneous)
    • Environmental Science(all)
    • Polymers and Plastics

    Cite this

    Catalysts and supports for conversion of lactic acid to acrylic acid and 2,3-pentanedione. / Gunter, Garry C.; Langford, Robert H.; Jackson, James E.; Miller, Dennis J.

    In: Industrial and Engineering Chemistry Research, Vol. 34, No. 3, 03.1995, p. 974-980.

    Research output: Contribution to journalArticle

    Gunter, Garry C.; Langford, Robert H.; Jackson, James E.; Miller, Dennis J. / Catalysts and supports for conversion of lactic acid to acrylic acid and 2,3-pentanedione.

    In: Industrial and Engineering Chemistry Research, Vol. 34, No. 3, 03.1995, p. 974-980.

    Research output: Contribution to journalArticle

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