Fig. 5

Optimized fed-batch fermentation of S. cerevisiae in the KLF2000 fermenter (working volume 1.8 L) using glucose as sole carbon source with unregulated pH. a Cell dry weight concentrations, pH, glucose, ethanol and FCdiene concentrations are shown. b CO₂–, O₂– and ethanol concentrations in exhaust gas are shown. c Stirring rate and DOT are shown