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Fig. 2 | Biotechnology for Biofuels and Bioproducts

Fig. 2

From: Turning C1-gases to isobutanol towards great environmental and economic sustainability via innovative biological routes: two birds with one stone

Fig. 2

Schematic process flow diagram of isobutanol production from C1 gases. A100: gas supply; A200: isobutanol production; A300: isobutanol purification; A400: wastewater treatment; A500: utilities; PBR: closed tubular photobioreactors just for culturing autotrophic microbes using CO2; BCB: bubble column bioreactors just for culturing heterotrophic microbes using CH4

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