Figure 5From: Tween 40 pretreatment of unwashed water-insoluble solids of reed straw and corn stover pretreated with liquid hot water to obtain high concentrations of bioethanolEffect of WIS-to-Tween 40 ratio on ethanol concentration. Tween 40 concentration of 1.5% was used in Tween 40 pretreatment, and other conditions in Tween 40 pretreatment and fed-batch S-SSF were the same as that in Figure 4. S-SSF, semi-simultaneous saccharification and fermentation.Back to article page