Figure 3From: Evaluation of industrial dairy waste (milk dust powder) for acetone-butanol-ethanol production by solventogenic Clostridium speciesThe levels of acetate and butyrate and pH profiles of cultures of C. acetobutylicum and C. beijerinckii grown on milk powder medium. (A) Acetic acid concentration profile during ABE fermentation, (B) butyric acid concentration profile during ABE fermentation, and (C) pH profile during ABE fermentation. Ca 824: C. acetobutylicum; Cb 8052: C. beijerinckii.Back to article page