Figure 2

Effect of CaCO 3 supplementation on butanol production by C. acetobutylicum (A: CaCO 3 supplementation at 2 g/L; B CaCO 3 supplementation at 5 g/L; C: CaCO 3 supplementation at 8 g/L).
Effect of CaCO 3 supplementation on butanol production by C. acetobutylicum (A: CaCO 3 supplementation at 2 g/L; B CaCO 3 supplementation at 5 g/L; C: CaCO 3 supplementation at 8 g/L).