Fig. 1From: Integrating enzyme fermentation in lignocellulosic ethanol production: life-cycle assessment and techno-economic analysisOverall process design for the proposed ethanol plant. In the reference case, there was no integrated enzyme production, instead the enzymes were purchased from an off-site facility. CEF cellulase enzyme fermentation, YC yeast cultivation, SSF simultaneous saccharification and fermentation [32]Back to article page