Fig. 3From: Improvement of 1,3-propanediol production from crude glycerol by co-cultivation of anaerobic and facultative microbes under non-strictly anaerobic conditionsAbundance of synthetic microbial consortia during the batch fermentation at 0.02 vvm N2 supply for 3 h. The fermentations were carried out at 37 °C, pH 7.0 and 200 rpm in 5-L bioreactor containing 2 L mediumBack to article page