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BioProcessTrainer · S. cerevisiae
bptDYNAMIC BIOPROCESS MODEL · V2

BioProcessTrainer MODEL

S. cerevisiae
ReadyEthanol production by Saccharomyces cerevisiae
20.0

15.0

10.0

5.0

0.0
O20.0 %CO20.0 % pO2100.0 %pH7.1 TR20.0 °CVolume0.0 LFoam0.0 L
Antifoam◇1.40 L0.00 ml/min
Base◇1.40 L0.00 ml/min
Acid◇1.40 L0.00 ml/min
ProductLevel  0.0 L
← 20.0 °CThermal
fluid
μ 0.000 h⁻¹X 0.00 g/LS 0.00 g/LP 0.00 g/LD 0.000 h⁻¹
System ready. Start a new process.Model readySamples: 0
Data:
Trends:
Measurements:

Gas mixing station

Set the oxygen, air and nitrogen flow rates.

Medium preparation

Configure initial substrate concentration and working volume.

Bioprocess model setup

Choose the operating mode and tune the kinetic and mass-balance parameters.

Monod kinetics
Stoichiometry
Flow strategyOutflow is applied only in continuous mode. Feed is disabled in batch mode.
μ = μmax · S/(Ks + S) · pO2/(Ko + pO2)d(XV)/dt = μXV − FoutXd(SV)/dt = FinSin − FoutS − qSXV

Controller

Set the control loops for important process parameters.

Dissolved oxygen
pH
Temperature
Level

Online trends

Live measurements for observing and evaluating the cultivation.

© 2026 Katharina Julia Brenner