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Optimization of simultaneous saccharification and fermentation conditions with amphipathic lignin derivatives for concentrated bioethanol production

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タイトル: Optimization of simultaneous saccharification and fermentation conditions with amphipathic lignin derivatives for concentrated bioethanol production
著者: Cheng, Ningning 著作を一覧する
Koda, Keiichi 著作を一覧する
Tamai, Yutaka 著作を一覧する
Yamamoto, Yoko 著作を一覧する
Takasuka, Taichi E. 著作を一覧する
Uraki, Yasumitsu 著作を一覧する
キーワード: Amphipathic lignin derivative
Bioethanol
Enzymatic saccharification
Fed-batch simultaneous saccharification and fermentation (SSF)
Powerful mechanical stirrer
発行日: 2017年 5月
出版者: Elsevier
誌名: Bioresource technology
巻: 232
開始ページ: 126
終了ページ: 132
出版社 DOI: 10.1016/j.biortech.2017.02.018
抄録: Amphipathic lignin derivatives (A-LDs) prepared from the black liquor of soda pulping of Japanese cedar are strong accelerators for bioethanol production under a fed-batch simultaneous enzymatic saccharification and fermentation (SSF) process. To improve the bioethanol production concentration, conditions such as reaction temperature, stirring program, and A-LDs loadings were optimized in both small scale and large scale fed-batch SSF. The fed-batch SSF in the presence of 3.0 g/L A-LDs at 38 degrees C gave the maximum ethanol production and a high enzyme recovery rate. Furthermore, a jar-fermenter equipped with a powerful mechanical stirrer was designed for 1.5 L-scale fed-batch SSF to achieve rigorous mixing during high substrate loading. Finally, the 1.5 L fed-batch SSF with a substrate loading of 30% (w/v) produced a high ethanol concentration of 87.9 g/L in the presence of A-LDs under optimized conditions.
Rights: (C) 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
資料タイプ: article
URI: http://hdl.handle.net/2115/68228
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 高須賀 太一

 

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