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Table 2 Culture profiles of Clostridium sp. AWRP in the PETC medium with various gas/liquid ratios

From: Domestication of the novel alcohologenic acetogen Clostridium sp. AWRP: from isolation to characterization for syngas fermentation

Parameters

Gas-to-liquid ratio (relative)

3.0 (1)

6.9 (2.34)

14.8 (5.02)

Gasa (mM)

 CO consumed

157 ± 1

368 ± 2

778 ± 7

 H2 consumed

29 ± 2

15 ± 5

7 ± 3

 CO2 produced

52 ± 2

186 ± 11

434 ± 3

Metabolite (mM)

 Acetate

28 ± 2

40 ± 4

14 ± 2

 Ethanol

8 ± 1

24 ± 2

94 ± 0

 2,3-Butanediol

NDb

2 ± 0

6 ± 1

C-recoveryc (%)

79 ± 1

87 ± 2

87 ± 0

  1. aNormalized to the culture volume by: Δ(Headspace gas concentration) × (headspace volume)/(culture volume)
  2. bNot detected
  3. cCarbon recovery; cell mass was not included
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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