Conclusions
A bacterial culture has been isolated from animal waste that is capable of converting CO in synthesis gas to ethanol and acetate. The culture requires a yeast extract level of approximately.01 g/L, and the conversion is enhanced by agitation. The culture produces a higher yield of ethanol and ratio of ethanol to acetate when BESA and excess yeast extract are removed from the media. An ethanol concentration of 4.3 g/L has been obtained in batch screening experiments.
The culture has been purified by successive dilution and tentatively identified as a member of theClostridium species. Further experimentation is required for positive identification.
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Barik, S., Prieto, S., Harrison, S.B. et al. Biological production of alcohols from coal through indirect liquefaction. Appl Biochem Biotechnol 18, 363–378 (1988). https://doi.org/10.1007/BF02930840
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DOI: https://doi.org/10.1007/BF02930840