Recovery of Proteins and Microorganisms from Cultivation Media by Foam Flotation
207
Fig. 2 a, b. Variations in the process parameters during the cultivation of recombinant E. coli
K-12 MF cells in a 60-l working volume air lift tower loop reactor. At 12 h addition of SE9 AFA
to the medium. At 16 h induction of the gene expression by a temperature increase from 30
to 42 °C. At the same time concentrated LB medium is added to the reactor [51]. a Aeration
rate and dissolved oxygen concentration with respect to the saturation (pO 2 ) in down-comer
and riser, b mean bubble velocity
a
b
207
Fig. 2 a, b. Variations in the process parameters during the cultivation of recombinant E. coli
K-12 MF cells in a 60-l working volume air lift tower loop reactor. At 12 h addition of SE9 AFA
to the medium. At 16 h induction of the gene expression by a temperature increase from 30
to 42 °C. At the same time concentrated LB medium is added to the reactor [51]. a Aeration
rate and dissolved oxygen concentration with respect to the saturation (pO 2 ) in down-comer
and riser, b mean bubble velocity
a
b