Fig. 3From: Comprehensive investigations of biobutanol production by a non-acetone and 1,3-propanediol generating Clostridium strain from glycerol and polysaccharides a Time course of butanol production and glycerol utilization in the fed-batch fermentation with the addition of biodiesel (ratio of 1:1); b time course of growth and pH in the batch fermentation with the addition of biodiesel (ratio of 1:1) and control batch (without addition of biodiesel)Back to article page