Fig. 3From: Effects of different operating parameters on hydrogen production by Parageobacillus thermoglucosidasius DSM 6285Growth curve and gas composition during the cultivation of P. thermoglucosidasius DSM 6285 with the combined superior parameters (55 °C, pH 7.0, addition of 0.08 mM FeSO4·7H2O, 75:25 initial gas atmosphere CO:air ratios, 4 h incubation time of the 2nd pre-culture, 10% inoculum size)Back to article page