期刊
BIORESOURCE TECHNOLOGY
卷 100, 期 13, 页码 3245-3251出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.01.021
关键词
Simultaneous saccharification and fermentation; Lignocellulose; Pretreatment; Phosphoric acid-acetone; Bioethanol
资金
- National Research Foundation of Korea [과C6A1907] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Bermudagrass, reed and rapeseed were pretreated with phosphoric acid-acetone and used for ethanol production by means of simultaneous saccharification and fermentation (SSF) with a batch and fed-batch mode. When the batch SSF experiments were conducted in a 3% low effective cellulose, about 16 g/L of ethanol were obtained after 96 h of fermentation. When batch SSF experiments were conducted with a higher cellulose content (10% effective cellulose for reed and bermudagrass and 5% for rapeseed), higher ethanol concentrations and yields (of more than 93%) were obtained. The fed-batch SSF strategy was adopted to increase the ethanol concentration further. When a higher water-insoluble solid (up to 36%) was applied, the ethanol concentration reached 56 g/L of an inhibitory concentration of the yeast strain used in this Study at 38 degrees C. The results show that the pretreated materials can be used as good feed-stocks for bioethanol production, and that the phosphoric acid-acetone Pretreatment can effectively yield a higher ethanol concentration. (C) 2009 Elsevier Ltd. All rights reserved.
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