Fig. 3From: Effective utilization of wastewater for valuable validamycin A biosynthesis by Streptomyces hygroscopicus K2509 in plant-scale bioreactorTime courses of validamycin A fed-batch fermentation with ion-exchange wastewater in 50-L bioreactor (a) and 60 m3 bioreactor (b); c the profile of batch fermentation with tap water in 60 m3 bioreactorBack to article page