Figure 4

Concentrations of glucose (circles), xylose (squares), and ethanol (triangles) during fermentation in Config. 2 with a yeast concentration of 5 g/L (filled symbols) or 20 g/L (open symbols). The mixed hydrolysates of SPWS hydrolysate and wheat-starch hydrolysate was fed to the reactor for 48 h between (I) and (II) at a constant flow rate of 11.2 mL/h. (T: 32°C, pH 5, 300 rpm).