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Sustainable Chemical Processes
Fig. 7 | Sustainable Chemical Processes

Fig. 7

From: Combined production of biogas and ethanol at high solids loading from wheat straw impregnated with acetic acid: experimental study and techno-economic evaluation

Fig. 7

NPVs and MESPs of the configurations on biogas upgrade and xylose fermentation. The configurations are denoted C10–96, C12.5–96, C15–96, C17.5–96, C20–96, C20–120, C20–144, C20–168, and C20–192, where the first number refers to the WIS content in SSF (in %) followed by the time that was set for the SSF (in hour). In configuration C17.5–96X, xylose fermentation was considered

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