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Fig. 4 | Biotechnology for Biofuels

Fig. 4

From: Effective isopropanol–butanol (IB) fermentation with high butanol content using a newly isolated Clostridium sp. A1424

Fig. 4

Effect of the mixture ratio of glucose and glycerol on isopropanol–butanol fermentation. The mass ratios of glucose and glycerol were 20:2 (a, b), 18:4 (c, d), 14:8 (e, f), and 9:13 (g, h). DCW dry cell weight, BuOH butanol, IPA isopropanol, ACT acetone, B + I butanol + isopropanol, AA acetic acid, BA butyric acid. The fermentation was performed on serum bottles without pH control. Error bars represent one standard deviation of triplicate experiments

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