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Figure 3 | Biotechnology for Biofuels

Figure 3

From: Biobutanol production in a Clostridium acetobutylicum biofilm reactor integrated with simultaneous product recovery by adsorption

Figure 3

Kinetics of fed-batch fermentation in the biofilm reactor with fixed-bed adsorption. After 13 h of batch culture, concentrated medium was fed into the reactor to maintain desired glucose levels and the fixed-bed adsorption was started, as is indicated by arrows. Butanol was selectively adsorbed by the KA-I resin, whereas other solvents accumulated in the fermentation broth. OD, optical density.

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