成果報告書詳細
管理番号20160000000871
タイトル*平成27年度中間年報 セルロース系エタノール生産システム総合開発実証事業 最適組合せの検討及び事業性評価 木本バイオマスを原料とする日本の持続可能性基準に適合するセルロース系エタノールの一貫生産技術開発及び事業性評価
公開日2016/11/16
報告書年度2015 - 2015
委託先名JXエネルギー株式会社 王子ホールディングス株式会社
プロジェクト番号P14025
部署名新エネルギー部
和文要約
英文要約Title: Demonstration and Development Project of Production System for Cellulosic Bioethanol/ Verifying suitable combinations of elemental process technologies/ Development and feasibility study of comprehensive production process for cellulosic bioethanol from woody biomass which adapts Japanese sustainable standard (FY2015-FY2017) FY2015 Annual Report

The best combination of ethanol production technologies was determined by evaluating various combinations of technologies developed during a previous project. Using the selected production process, a pilot-scale evaluation and life cycle assessment will be conducted with the aim of establishing a sustainable cellulosic ethanol production system. The following took place in 2015.
1 Lab-scale evaluation and technology selection
・The candidates for factory construction sites were narrowed down to Brazil, Australia,
Indonesia and Vietnam. Woody materials were obtained from each proposed site, and the pretreatment conditions were studied to determine which conditions would maximize ethanol yield from the various materials.
・The ethanol productivity of three processes, namely separated hydrolysis and fermentation, hybrid hydrolysis and fermentation, and simultaneous saccharification and fermentation (SSF), were compared. The SSF process showed the fastest rate of ethanol production among the three, which yielded almost the same amounts of ethanol.
・Construction of the pilot plant has begun and the start of operation is scheduled for October 2016.
2 Business feasibility
・A preliminary life-cycle assessment study has begun, looking at all steps from procurement of raw materials to transportation of the finished ethanol to Japan. For now, it appears that a process based on the best combination of technologies could reduce the amount of greenhouse gas emissions by 50% or more vs. that of using gasoline.
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