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Enhancement of oxygen mass transfer in stirred bioreactors using oxygen-vectors. 2. Propionibacterium shermanii broths

Domenii publicaţii > Stiinte ingineresti + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Anca-Irina Galaction, Dan Cascaval, Marius Turnea, Elena Folescu

Editorial: Bioprocess and Biosystems Engineering, 27, p.263-271, 2005.

Rezumat:

The previous works on simulated broths are continued and developed for Propionibacterium shermanii broths. The obtained results indicated the considerable increase of kLa in presence of n-dodecane as oxygen-vector and the existence of a certain value of hydrocarbon concentration that corresponds to maximum mass transfer rate of oxygen. The magnitude of the positive effect of oxygen-vector strongly depends on operational conditions of bioreactor, on broths characteristics and on Propionibacterium shermanii concentration.

Cuvinte cheie: Biochemical Engineering, Biotechnology, Bioreactors