Table 2 The effects of various organic acids on the hydrogen production efficiencies
From: Feasibility of biohydrogen production from industrial wastes using defined microbial co-culture
Organic acids (1% w/v) | H1 medium (mL/h -1 .L -1 ) | H2 medium (mL/h -1 .L -1 ) | Overall hydrogen production (%) |
|---|---|---|---|
Controls | 17.80 ± 1.51 | 15.90 ± 0.66 | 100.0 |
Acetic acid | 6.20 ± 2.70 | 7.60 ± 1.60 | 40.95 |
Citric acid | 18.0 ± 1.10 | 20.3 ± 1.02 | 113.65 |
Ethacetic acid | 8.10 ± 3.12 | 8.0 ± 2.15 | 47.77 |
Lactic acid | 19.0 ± 2.03 | 10.1 ± 1.02 | 86.35 |
Oxalic acid | 12.0 ± 3.98 | 12 ± 1.25 | 71.22 |