Process Design and Economics of On-Site Cellulase Production on Various Carbon Sources in a Softwood-Based Ethanol Plant

<table>Minimum ethanol selling price. Carbon source A: pretreated liquid fraction, B: pretreated liquid fraction and molasses and C: pretreated liquid fraction and pressed pretreated slurry with a total WIS content of 1%, 2% and 3%; +: 1.5-fold specific activity; Ref: reference case with purchased enzyme preparation.</table>

Enzyme Research

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Figure 4

Figure 4: Process Design and Economics of On-Site Cellulase Production on Various Carbon Sources in a Softwood-Based Ethanol Plant 