Table 3 Productivities and Y(H2/S) of the mono-cultures and consortium grown on glucose and cellobiosea.
From: Biohydrogen production beyond the Thauer limit by precision design of artificial microbial consortia
Glucose | |||||
|---|---|---|---|---|---|
Time [h] | Y(CO2/S) [mol C-mol−1] | Y(H2/S) [mol C-mol−1] | HER [mmol L−1 h−1] | qH2 [mmol h−1 g−1] | CER [mmol L−1 h−1] |
E. aerogenes | |||||
0–18 | |||||
0–23.5 | |||||
0–40.5 | 0.03 ± 0.003 | 0.02 ± 0.002 | 0.43 ± 0.14 | 0.61 ± 0.13 | |
40.5–45 | 0.23 ± 0.06 | 0.14 ± 0.04 | 0.66 ± 0.32 | 11.34 ± 0.65 | 1.18 ± 0.46 |
45–63 | 0.10 ± 0.03 | 0.05 ± 0.02 | 0.19 ± 0.05 | 0.35 ± 0.08 | |
C. acetobutylicum | |||||
0–21 | |||||
0–38.5 | |||||
0–45 | |||||
45–62 | 0.17 ± 0.03 | 0.30 ± 0.06 | 8.86 ± 0.60 | 86.41 ± 4.51 | 5.03 ± 0.7 |
62–86.5 | 0.46 ± 0.17 | 0.33 ± 0.12 | 1.96 ± 0.84 | 2.75 ± 0.50 | |
Consortium | |||||
0–16.0 | 0.09 ± 0.01 | 0.12 ± 0.05 | 0.05 ± 0.01 | 0.06 ± 0.01 | |
16–20.0 | 0.08 ± 0.05 | 0.05 ± 0.03 | 0.17 ± 0.02 | 68.54 ± 5.4 | 0.27 ± 0.01 |
20–34.5 | 0.09 ± 0.01 | 0.04 ± 0.01 | 1.73 ± 0.5 | 9.60 ± 3.2 | 4.15 ± 0.5 |
34.5–39.5 | 0.43 ± 0.02 | 0.44 ± 0.0.1 | 6.64 ± 0.25 | 213.98 ± 8.8 | 16.19 ± 0.4 |
39.5–53.0 | 0.67 ± 0.28 | 0.93 ± 0.29 | 4.04 ± 0.22 | 5.84 ± 0.21 | |
Cellobiose | |||||
Time [h] | Y(CO2/S) [mol C-mol−1] | Y(H2/S) [mol C-mol−1] | HER [mmol L−1 h−1] | qH2 [mmol h−1 g−1] | CER [mmol L−1 h−1] |
E. aerogenes | |||||
0–17.5 | |||||
0–22.5 | |||||
0–40 | 0.08 ± 0.01 | 0.04 ± 0.003 | 1.07 ± 0.05 | 4.68 ± 0.91 | 2.44 ± 0.23 |
40–43 | 0.09 ± 0.01 | 0.02 ± 0.002 | 2.00 ± 0.3 | 0.88 ± 0.71 | 9.35 ± 0.61 |
43–61 | 0.18 ± 0.02 | 0.04 ± 0.004 | 0.67 ± 0.06 | 2.96 ± 0.19 | |
61–64 | 0.06 ± 0.01 | 0.01 ± 0.002 | 0.78 ± 0.03 | 3.30 ± 0.24 | |
C. acetobutylicum | |||||
0–23 | |||||
0–28 | 0.01 ± 0.002 | 0.01 ± 0.002 | 0.11 ± 0.04 | 83.43 ± 4.31 | 0.10 ± 0.03 |
28–42.5 | 0.14 ± 0.001 | 0.25 ± 0.002 | 9.57 ± 0.13 | 55.78 ± 9.74 | 5.43 ± 0.10 |
42.5–46.5 | 0.38 ± 0.01 | 0.43 ± 0.01 | 5.32 ± 0.31 | 7.64 ± 0.25 | |
46.5–64.5 | 0.41 ± 0.02 | 0.27 ± 0.03 | 1.83 ± 0.12 | 2.80 ± 0.13 | |
Consortium | |||||
0–17 | |||||
0–22.5 | 0.01 ± 0.01 | 0.06 ± 0.03 | 0.39 ± 0.01 | 34.77 ± 3.5 | 0.06 ± 0.01 |
22.5–39.5 | 0.12 ± 0.02 | 0.36 ± 0.05 | 10.31 ± 0.22 | 433.95 ± 10.1 | 3.32 ± 0.31 |
39.5–42.5 | 0.72 ± 0.11 | 0.73 ± 0.18 | 7.48 ± 0.16 | 528.81 ± 8.11 | 7.30 ± .013 |
45.5–59.5 | 0.13 ± 0.06 | 0.63 ± 0.28 | 4.42 ± 0.20 | 0.94 ± 0.32 | |
