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. 1983 Dec;25(12):3115-31.
doi: 10.1002/bit.260251224.

Mixing and oxygen transfer in conventional stirred fermentors

R Manfredini  1 , V Cavallera, L Marini, G Donati
Affiliations

Mixing and oxygen transfer in conventional stirred fermentors

R Manfredini et al. Biotechnol Bioeng. 1983 Dec.

Abstract

A set of experiments has been performed in an industrial 112 m(3) fermentor in order to get a complete map of oxygen concentration and temperature distribution in the system. Five fermentations of non-Newtonian broths of two different strains, in various operating conditions, were examined. A simple model has been developed which takes into account both the mixing and the mass-transfer properties of the fermentor, and a dimensionless parameter has been identified which is sufficient to characterize the oxygen axial distribution in the reactor in any operating condition.

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