Reference: Fujii T, et al. (2014) Bench-scale bioethanol production from eucalyptus by high solid saccharification and glucose/xylose fermentation method. Bioprocess Biosyst Eng 37(4):749-54

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Abstract


In the bioethanol production process, high solid saccharification and glucose/xylose co-fermentation are important technologies for obtaining increased ethanol concentrations; however, bench-scale studies using combinations of these methods are limited. In this study, we hydrolyzed high solid concentration of milled eucalyptus using commercial enzymes and obtained 138.4 g/L total monomeric sugar concentration. These sugars were fermented to 53.5 g/L of ethanol by a xylose-utilizing recombinant Saccharomyces cerevisiae strain, MA-R4. These experiments were performed in bench scale (using 50 L scale solid mixer and 70 L scale fermenter). The results obtained in this study were comparable to our previous results in laboratory scale, indicating that we successfully achieved an efficient high solid saccharification and glucose/xylose co-fermentation system in bench scale.

Reference Type
Journal Article
Authors
Fujii T, Murakami K, Endo T, Fujimoto S, Minowa T, Matsushika A, Yano S, Sawayama S
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