TABLE 2.
Comparison of the growth rates of acetogens.
| Strain | Gas condition | Growth rate | References |
| Acetobacterium woodii | 5% CO/16% CO2/64% H2 (100 kPa) | 0.028 h–1 | Bertsch and Müller, 2015 |
| 10% CO/16% CO2/64% H2 (100 kPa) | ∼ 0.022 h–1 | ||
| 15% CO/16% CO2/64% H2 (100 kPa) | ∼ 0.011 h–1 | ||
| 25% CO/15% CO2 (100 kPa) | No growth | ||
| Butyribacterium methylotrophicum | 100% CO (100 kPa) | 0.050 h–1 | Lynd et al., 1982 |
| Clostridium autoethanogenum | 45% CO/20% CO2/2% H2 (200 kPa)* | 0.057 ± 0.04 h–1 | Marcellin et al., 2016 |
| 100% CO (200 kPa) | 0.019 h–1 | Liew et al., 2016 | |
| Clostridium carboxidivorans | 100% CO (120 kPa) | 0.084 ± 0.004 h–1 | Fernandez-Naveira et al., 2016 |
| Clostridium ljungdahlii | 80% CO/20% CO2 (200 kPa) | 0.060 h–1 | Phillips et al., 1994 |
| Eubacterium limosum | 44% CO/22% CO2/2% H2 (200 kPa)* | 0.095 ± 0.000 h–1 | This study |
| Moorella thermoacetica | 30% CO/30% CO2 (240 kPa) | 0.069 h–1 | Daniel et al., 1990 |
| Thermoanaerobacter kivui | CO 20% (200 kPa) Makeup gas (80% N2/20% CO2) | 0.037 h–1 | Weghoff and Müller, 2016 |
| CO 50% (200 kPa) Makeup gas (80% N2/20% CO2) | 0.045 h–1 | ||
| CO 70% (200 kPa) Makeup gas (80% N2/20% CO2) | 0.068 h–1 | ||
| CO 90% (200 kPa) Makeup gas (80% N2/20% CO2) | 0.020 h–1 | ||
| CO 100% (200 kPa) | 0.021 h–1 |
*Industrial syngas composition.