期刊
BIORESOURCE TECHNOLOGY
卷 147, 期 -, 页码 645-648出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.08.103
关键词
Delignification; Ethanol; Lignin; Saccharomyces cerevisiae
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico, Brasilia DF, Brazil (CNPq)
Ethanol production from steam explosion alkaline delignified bagasse was investigated by saccharification and simultaneous fermentation. Non delignified bagasse (ND) contained 25% lignin, and after alkaline delignification, materials with 6% (D1 - NaOH 1% w/v) and 12% (D05 - NaOH 0.5% w/v) lignin, respectively, were obtained. Ethanol production increased 450% and 733% in relation to ND, when D05 and D1 material, respectively, were used. Higher productivity and EtOH/bagasse were observed for D1. However, higher enzymatic convertibility of cellulose was obtained with 0.5% w/v NaOH. Alkaline delignification increased the ethanol production despite decreased cellulose. (C) 2013 Elsevier Ltd. All rights reserved.
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