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Table 3 Fermentation parameters for acetone production from CO-containing gases

From: Metabolic engineering of Moorella thermoacetica for thermophilic bioconversion of gaseous substrates to a volatile chemical

Substrate C_H2/sa (mol/mol)b Yield for substrates Recovery Specific growth rate (h−1) Specific production rate of acetone (g-acetone/g-cell/h)
Y_biomass/s (g/mol) Y_acetate/s (mol/mol) Y_acetone/s (mol/mol) Y_CO2/s (mol/mol) Y_H2/s (mol/mol) Carbon (%) Electron (%)
CO NA c 2.04 ± 0.03 0.16 ± 0.00 0.04 ± 0.00 0.49 ± 0.02 0.01 ± 0.00 101 ± 1 115 ± 2 0.03 ± 0.00 0.04 ± 0.00
CO–H2 0.48 ± 0.02 1.04 ± 0.04 0.13 ± 0.01 0.06 ± 0.00 0.13 ± 0.02 ND d 120 ± 2 110 ± 2 0.03 ± 0.00 0.09 ± 0.00
  1. a s = CO + H2
  2. b The molar ratio of H2 in consumed energy gas (CO and H2)
  3. cNot applied
  4. dNot determined