Studies on oxygen mass transfer in stirred bioreactors, 2: suspensions of bacteria, yeasts and fungi
2003
Galaction, A.I. (Faculty of Medicinal Engineering, Iasi (Romania)) | Oniscu, C. | Cascaval, D.
The aim of these experiments is to study the oxygen mass transfer rate by means of the mass transfer coefficient, for a stirred bioreactor and different fermentation broths, using a large domain of operating variables. For quantifying the effects of the considered factors (concentration and morphology of the biomass, specific power input, superficial air velocity, surface aeration) on k sub(1)a, the experiments were carried out for non-respirating biomass suspensions of Propionibacterium shermanii, Saccharomyces cerevisiae and Penicillium chrysogenum, mycelial aggregates (pellets) and free mycelia morphological structures.
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