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Production of volatile fatty acids from bagasse by rumen bacteria

Summary

Conditions are described for converting bagasse lignocellulose to volatile fatty acids (VFA) by anaerobic fermentation. Although yields of VFA were as high as 74% by weight of digestible organic matter (or 54% of dry bagasse), limitations were imposed by both fermenter design and fibre digestibility. All fermentations were substrate-limited up to the maximum initial concentration examined of 50 g bagasse · l-1 and no product inhibition was evident (up to 260 mM VFA produced). Maximum VFA productivities of 0.25 to 0.65 g · l-1 · h-1 were obtained in batch fermentations and this is greater than those previously reported using lignocellulosic substrates. Batch fermentations neared completion after 66 h.

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Correspondence to M. J. Playne.

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Matei, C.H., Playne, M.J. Production of volatile fatty acids from bagasse by rumen bacteria. Appl Microbiol Biotechnol 20, 170–175 (1984). https://doi.org/10.1007/BF00253726

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Keywords

  • Organic Matter
  • Fermentation
  • Bagasse
  • Volatile Fatty Acid
  • Batch Fermentation