Biomass concentration; S: Substrate concentration; DOT:
Dissolved oxygen tension;
my: Specific growth rate; F: Feed
simulation of a fedbatch process. After the batch phase (0-6
hrs) a constant feed of concentrated substrate (glycerol) was
started. At about 8 hours the feed rate was doubled. See the
effects of F on growth rate and DOT. The effect of F on S can
not be seen here due to the scale but it is parallel to
The simulation does not represent a specific
organism but the parameters are close to those of E.
aerobically on glycerol.
A better but more elaborate
model based on stoichiometric analysis is used in the SIMSPEC
For information about model equations and parameters: Open
available in the SimuPlot toolbox.