𝔖 Bobbio Scriptorium
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The effect of antifoam agents on mass transfer in bioreactors

✍ Scribed by Y. Kawase; M. Moo-Young

Publisher
Springer
Year
1990
Tongue
English
Weight
477 KB
Volume
5
Category
Article
ISSN
1615-7605

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✦ Synopsis

The influence of antifoam agents on the liquid-phase mass transfer coefficient in stirred tank and bubble column bioreactors is studied. A physical model based on a surface-renewal concept and additional data in 40-dm 3 bubble column bioreactor are presented. Comparisons between the physical model and the data indicate that the model predicts the maximum influence of antifoam agents on the liquid-phase mass transfer coefficient.

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## Abstract Development of a foam breaker which operates on the principle of rapid acceleration of foam through a __nozzle__ has allowed large‐scale aerobic fermentations to be run without addition of antifoam agents. Fermentations have been investigated over a wide range of aeration levels in whic