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Figure 5 | Biotechnology for Biofuels

Figure 5

From: A newly isolated Bacillus licheniformisstrain thermophilically produces 2,3-butanediol, a platform and fuel bio-chemical

Figure 5

Time course of fed-batch fermentation of 2,3-BD. Biomass (), 2,3-BD (), glucose (■), AC (▲), acetic acid (Δ), lactic acid (□), ethanol () and formic acid (). The fermentation was carried out at 50°C in a 5-L bioreactor with pH control by automatic addition of 6 M acetic acid and NaOH, stirring at 400 rpm in the first 10 h and then decreased to 200 rpm, and airflow at 1.0 vvm.

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