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

  • 64 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.

LanguageEnglish (US)
Pages974-980
Number of pages7
JournalIndustrial and Engineering Chemistry Research
Volume34
Issue number3
StatePublished - Mar 1995

Profile

Lactic acid
Catalyst supports
Acrylics
Lactic Acid
catalyst
Catalysts
Acids
acid
Sodium
sodium
Salts
surface area
Acetaldehyde
salt
Silicon Dioxide
Oxides
acetaldehyde
arsenate
Silica
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

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