Fig. 5From: Development of a hybrid bio-purification process of lactic acid solutions employing an engineered E. coli strain in a membrane bioreactorConcentration profiles of AA, Glucose, TN and LA of the initial semi-continuous MBR test (MBR 1) and the final optimized MBR test (MBR 6); Time refers to the 2nd stage of the integrated MBR process; a AA concentration profile; b Glucose concentration profile; c TN concentration profile; d LA concentration profileBack to article page