Bench-scale bioethanol production from eucalyptus by high solid saccharification and glucose/xylose fermentation method

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논문

Bench-scale bioethanol production from eucalyptus by high solid saccharification and glucose/xylose fermentation method

학술지

Bioprocess and biosystems engineering

저자명

Fujii, Tatsuya; Murakami, Katsuji; Endo, Takashi; Fujimoto, Shinji; Minowa, Tomoaki; Matsushika, Akinori; Yano, Shinichi; Sawayama, Shigeki

초록

<P>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 <I>Saccharomyces cerevisiae</I> 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.</P>

발행연도

2014

발행기관

Springer Berlin Heidelberg

라이선스

cc-by

ISSN

1615-7591

ISSN

1615-7605

권

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