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Sugarcane Bagasse Mild Alkaline/Oxidative Pretreatment for Ethanol Production by Alkaline Recycle Process

Applied Biochemistry and Biotechnology volume 151, pages 43–50 (2008)Cite this article

Abstract

In order to decrease the alkali and water consumptions in the sugarcane bagasse alkaline/oxidative pretreatment for ethanol production, an alkaline recycle process was carried out. Two recycles of NaOH/H2O2 pretreatment did not decrease the pretreatment and enzymatic hydrolysis efficiencies and the consumptions of NaOH and water would be saved by 26% and 40%, respectively. A simultaneous saccharification and fermentation (SSF) culture with pretreated bagasse as substrate was developed giving 25 g ethanol l−1 with a yield of 0.2 g g−1 bagasse and productivity of 0.52 g l−1 h−1.

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Acknowledgement

This study was supported by the National Basic Research of China (2004CB719703), State 863 Program (2007AA100702) and Open Fund of Key Laboratory of Microbiology, College of Life Sciences, Heilongjiang University.

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Affiliations

  1. Division of Green Chemistry and Technology, Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, People’s Republic of China

    Ke-Ke Cheng, Jian-An Zhang, Yu-Jie Zhou & Jing-Ming Xu

  2. Key Laboratory of Microbiology, College of Life Sciences, Heilongjiang University, Harbin, 150080, People’s Republic of China

    Wen-Xiang Ping, Jing-Ping Ge & Hong-Zhi Ling

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  1. Ke-Ke Cheng
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  2. Jian-An Zhang
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  3. Wen-Xiang Ping
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  4. Jing-Ping Ge
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  5. Yu-Jie Zhou
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  6. Hong-Zhi Ling
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  7. Jing-Ming Xu
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Correspondence to Jian-An Zhang.

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Cheng, KK., Zhang, JA., Ping, WX. et al. Sugarcane Bagasse Mild Alkaline/Oxidative Pretreatment for Ethanol Production by Alkaline Recycle Process. Appl Biochem Biotechnol 151, 43–50 (2008). https://doi.org/10.1007/s12010-008-8177-4

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  • DOI: https://doi.org/10.1007/s12010-008-8177-4

Keywords

  • Bagasse
  • Cellulase
  • Enzymatic hydrolysis
  • Ethanol
  • Fermentation
  • Pretreatment