Table 3 Fermentation efficiency of B. succiniciproducens and A. succinogenes batch cultures carried out at three initial concentrations of commercial carbon sources and OFMSW hydrolysate
Initial and consumed carbon sources (g/L)a | Medium | Succinic acid (g/L) | Yield (g/g)a | Productivity (g/L/h) | By-product: succinic acid (g/g) |
|---|---|---|---|---|---|
Basfia succiniciproducens | |||||
30 (27.8) | Commercial | 12.5 | 0.45 | 0.44 | 1.19 |
30 (31.3) | OFMSW | 14.4 | 0.46 | 0.64 | 0.90 |
50 (51.7) | Commercial | 26.9 | 0.52 | 0.45 | 0.66 |
50 (50.6) | OFMSW | 26.8 | 0.53 | 0.85 | 0.88 |
80 (81.1) | Commercial | 35.7 | 0.44 | 0.46 | 0.56 |
80 (78.9) | OFMSW | 37.1 | 0.47 | 0.56 | 0.68 |
Actinobacillus succinogenes | |||||
30 (30.8) | Commercial | 15.4 | 0.5 | 0.6 | 0.71 |
30 (30.2) | OFMSW | 15.7 | 0.52 | 0.52 | 0.71 |
50 (47.1) | Commercial | 27.3 | 0.58 | 0.49 | 0.20 |
50 (52.7) | OFMSW | 29.4 | 0.56 | 0.89 | 0.31 |
80 (78.2) | Commercial | 37.9 | 0.54 | 0.45 | 0.21 |
80 (77.3) | OFMSW | 37.9 | 0.5 | 0.57 | 0.31 |