Fig. 2From: Effects of different operating parameters on hydrogen production by Parageobacillus thermoglucosidasius DSM 6285Effects of several operating parameters on CO consumption and H2 production during the cultivation of P. thermoglucosidasius. a Initial gas composition, b inoculum size, c age of 2nd pre-culture, d temperature, e initial pH and f addition of FeSO4·7H2O and NiSO4·6H2OBack to article page