Fig. 3From: Consolidated bioprocessing of butanol production from xylan by a thermophilic and butanologenic Thermoanaerobacterium sp. M5Effects of different AECs and divalent ions on butanol production for Thermoanaerobacterium sp. M5. Fermentation profiles of Thermoanaerobacterium sp. M5 in medium containing a NR, b MV, c CaCl2, d ZnCl2, e FeCl2. Error bars correspond to the standard deviation of three measurementsBack to article page