Biotechnology Letters

, Volume 10, Issue 9, pp 671–676 | Cite as

Production of acetic acid in packed bed fermenters

  • A. Ationu
  • J. D. E. Patterson
  • J. R. Todd
  • B. J. B. Wood


Production of acetic acid from ethanol byAcetobacter aceti attached to a variety of support materials has been examined in fixed-film packed bed fermenters. Overall batch acid productivities with triangular ceramic particles and nylon mesh were respectively 56% and 30% greater than that for woodshavings, with comparable high acid yields. The highest batch acid productivity attained was 0.75 g/l h with the ceramic support. Continuous operation with the same material resulted in an acid productivity of 4.0 to 4.5 g/l h at a yield of 80%. This was increased to 10.7 g/l h by feeding oxygen-enriched air to the fermenter.

Stability of theAcetobacter populations, judged by reproducibility in batch operation and attainment, reproducibility and maintenance of steady operating conditions in continuous operation, was very high.


Acetic Acetic Acid Organic Chemistry Nylon Bioorganic Chemistry 
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Copyright information

© Kluwer Academic Publishers 1988

Authors and Affiliations

  • A. Ationu
    • 1
  • J. D. E. Patterson
    • 2
  • J. R. Todd
    • 1
  • B. J. B. Wood
    • 2
  1. 1.Biotechnology Unit Departments of Chemical and Process EngineeringUniversity of StrathclydeGlasgowScotland
  2. 2.Bioscience and BiotechnologyUniversity of StrathclydeGlasgowScotland

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