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Optimization of Ethanol Production from NaOH-Pretreated Solid State Fermented Sweet Sorghum Bagasse

Author

Listed:
  • Menghui Yu

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Jihong Li

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Sandra Chang

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Ran Du

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Shizhong Li

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Lei Zhang

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Guifang Fan

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Zhipei Yan

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Ting Cui

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Guangtao Cong

    (Institute of Nuclear and New Energy Technology, Tsinghua University, Tsinghua Garden, Beijing 10084, China)

  • Gang Zhao

    (Beijing Engineering Research Center for Biofuels, Beijing 10084, China)

Abstract

Ethanol production from NaOH-Pretreated solid state fermented sweet sorghum bagasse with an engineered strain of Z . mobilis TSH-ZM-01 was optimized. Results showed that: (1) residual solid removal during ethanol fermentation was unnecessary and 24 h fermentation duration was optimal for ethanol production; (2) ethanol yield of 179.20 g/kg of solid state fermented sweet sorghum bagasse achieved under the optimized process conditions of cellulase loading of 0.04 g/g-glucan, xylanase loading of 0.01 g/g-xylan, liquid to solid ratio of 9:1 and pre-hydrolysis duration for 72 h.

Suggested Citation

  • Menghui Yu & Jihong Li & Sandra Chang & Ran Du & Shizhong Li & Lei Zhang & Guifang Fan & Zhipei Yan & Ting Cui & Guangtao Cong & Gang Zhao, 2014. "Optimization of Ethanol Production from NaOH-Pretreated Solid State Fermented Sweet Sorghum Bagasse," Energies, MDPI, vol. 7(7), pages 1-14, June.
    • Handle: RePEc:gam:jeners:v:7:y:2014:i:7:p:4054-4067:d:37503
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    References listed on IDEAS

    as
    1. Li, Shizhong & Li, Guangming & Zhang, Lei & Zhou, Zhixing & Han, Bing & Hou, Wenhui & Wang, Jingbing & Li, Tiancheng, 2013. "A demonstration study of ethanol production from sweet sorghum stems with advanced solid state fermentation technology," Applied Energy, Elsevier, vol. 102(C), pages 260-265.
    2. Yu, Menghui & Li, Jihong & Li, Shizhong & Du, Ran & Jiang, Yan & Fan, Guifang & Zhao, Gang & Chang, Sandra, 2014. "A cost-effective integrated process to convert solid-state fermented sweet sorghum bagasse into cellulosic ethanol," Applied Energy, Elsevier, vol. 115(C), pages 331-336.
    3. Mazaheri, Davood & Shojaosadati, Seyed Abbas & Mousavi, Seyyed Mohammad & Hejazi, Parisa & Saharkhiz, Saeed, 2012. "Bioethanol production from carob pods by solid-state fermentation with Zymomonas mobilis," Applied Energy, Elsevier, vol. 99(C), pages 372-378.
    4. Ren, Lan Tian & Liu, Zu Xin & Wei, Tong Yang & Xie, Guang Hui, 2012. "Evaluation of energy input and output of sweet sorghum grown as a bioenergy crop on coastal saline-alkali land," Energy, Elsevier, vol. 47(1), pages 166-173.
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    Cited by:

    1. Tinôco, Daniel & Genier, Hugo Leonardo André & da Silveira, Wendel Batista, 2021. "Technology valuation of cellulosic ethanol production by Kluyveromyces marxianus CCT 7735 from sweet sorghum bagasse at elevated temperatures," Renewable Energy, Elsevier, vol. 173(C), pages 188-196.
    2. Sunan Nuanpeng & Sudarat Thanonkeo & Mamoru Yamada & Pornthap Thanonkeo, 2016. "Ethanol Production from Sweet Sorghum Juice at High Temperatures Using a Newly Isolated Thermotolerant Yeast Saccharomyces cerevisiae DBKKU Y-53," Energies, MDPI, vol. 9(4), pages 1-20, March.
    3. Rezania, Shahabaldin & Oryani, Bahareh & Cho, Jinwoo & Talaiekhozani, Amirreza & Sabbagh, Farzaneh & Hashemi, Beshare & Rupani, Parveen Fatemeh & Mohammadi, Ali Akbar, 2020. "Different pretreatment technologies of lignocellulosic biomass for bioethanol production: An overview," Energy, Elsevier, vol. 199(C).
    4. Tran Dang Xuan & Nguyen Thi Phuong & Do Tan Khang & Tran Dang Khanh, 2015. "Influence of Sowing Times, Densities, and Soils to Biomass and Ethanol Yield of Sweet Sorghum," Sustainability, MDPI, vol. 7(9), pages 1-22, August.

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