Optimizing Large-Scale Fermentation Through Gradient Elimination and Mixing Homogeneity

This episode outlines a comprehensive strategy to eliminate environmental inconsistencies within large-scale fermenters by ensuring oxygen and pH levels remain uniform. The process begins with scale-down modeling at the 2-liter level, using computational fluid dynamics to replicate and study the negative effects of gradients found in 10,000-liter vessels. To solve these issues at scale, the discussion recommend upgrading mechanical hardware with high-efficiency impellers and microbubble spargers, alongside installing multi-point sensors to monitor the entire tank height. Finally, automated control loops and exponential feeding profiles are implemented to maintain a stable metabolic state for every cell. These integrated technical improvements reportedly result in a significant increase in product titer and near-perfect spatial homogeneity.

#Bioprocess #ScaleUp and #TechTransfer,#Industrial #Microbiology,#MetabolicEngineering and #SystemsBiology,#Bioprocessing,#MicrobialFermentation,#Bio-manufacturing,#Industrial #Biotechnology,#Fermentation Engineering,#ProcessDevelopment,#Microbiology,#Biochemistry,#Biochemical Engineering, #Applied #MicrobialPhysiology, #Microbial #ProcessEngineering, #Upstream #BioprocessDevelopment, #Downstream Processing and #Purification,#CellCulture and #MicrobialSystems Engineering, #Bioreaction #Enzymes, #Biocatalyst #scientific #Scientist #Research