Fig. 2From: Continuous succinic acid fermentation by Actinobacillus succinogenes in a packed-bed biofilm reactorMain data measured during PBBR start-up. The vertical dotted line marks the changes of the dilution rate. a Glucose (black down-pointing triangle) and cell concentration (white circle); b succinic (white up-pointing triangle), acetic (black circle), and formic (white square) acid concentrationBack to article page