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Fig. 7 | Biotechnology for Biofuels

Fig. 7

From: Novel insight into the relationship between organic substrate composition and volatile fatty acids distribution in acidogenic co-fermentation

Fig. 7

The synthetic pathways of propionate (a), valerate (b), butyrate (c), and acetate (d). Dotted arrows represent the transport pathway of substrate from extracellular environment to intracellular cytoplasm; solid arrows represent the synthetic pathway of single VFA. Arrows in different colors represent different synthetic pathways

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