Bioethanol Production from Lignocellulosic Biomass Requiring No Sulfuric Acid: Mechanochemical Pretreatment and Enzymic Saccharification

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  • Fujimoto Shinji
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Inoue Hiroyuki
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Yano Shinichi
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Sakaki Tsuyoshi
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Minowa Tomoaki
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Endo Takashi
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Sawayama Shigeki
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology
  • Sakanishi Kinya
    Biomass Technology Research Center, National Institute of Advanced Industrial Science and Technology

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Other Title
  • リグノセルロース系バイオマスからの非硫酸バイオエタノール製造法の開発―メカノケミカル前処理・酵素糖化法―
  • リグノセルロースケイ バイオマス カラノ ヒリュウサン バイオエタノール セイゾウホウ ノ カイハツ メカノケミカル マエショリ コウソ トウカホウ

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Bioethanol has become an important product recently. Manufacture depends on sugar or starch, but such processes conflict with the requirements for food supply. Lignocellulose has high potential as feedstock for bioethanol, and has been the focus of much research and development. Sulfuric acid is generally used for saccharification or pretreatment of lignocellulose, but we have developed a saccharification process not requiring sulfuric acid, which is more environment friendly, combining mechanochemical pretreatment and enzymatic saccharification processes. We studied the process design, and presented the technical and economical portfolio. Based on this portfolio, we developed low energy mechanochemical treatment and low cost saccharification processes. The commercialization of our system is expected to begin soon.

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