Modularization technology for separating cellulose by the hot compressed water treatment and utilizing lignin residue

• Project/Area Number: 25292149
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Agricultural environmental engineering/Agricultural information engineering
• Research Institution: Tokyo University of Agriculture and Technology
• Principal Investigator: TOJO Seishu 東京農工大学, (連合)農学研究科(研究院), 教授 (40155495)
• Co-Investigator(Kenkyū-buntansha): CHOSA Tadashi 東京農工大学, 大学院農学研究院, 准教授 (10355597) ; MATSUMURA Shoji 東京農工大学, 農学部, 准教授 (20107171)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000); Fiscal Year 2015: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000); Fiscal Year 2014: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000); Fiscal Year 2013: ¥9,620,000 (Direct Cost: ¥7,400,000、Indirect Cost: ¥2,220,000)
• Keywords: バイオマス / 再生可能エネルギー / 作物残渣 / 加圧熱水処理 / セルロース / リグニン / ペレット / モジュール化 / 廃棄物資源循環

Outline of Final Research Achievements

The hot compressed water treatment was investigated to separate and abstract cellulose fraction from the crop residue biomass such as sunflower stem and rice straw because cellulose can be saccharified enzymatically for the bioethanol feed stock. Aims of this research were to clarify the optimum operation conditions of the hot compressed water treatment such as initial pressure and temperature of the reactor through discussing the effects of these conditions on the component and pellet forming characteristics of the residual solid via the treatment. As results, the followings were obtained experimentally. The particle size of ground biomass affected the yield of glucose significantly. High pressure and high temperature of the hot compressed water treatment resulted over degradation of the biomass to organic acids beyond the cellulose level. The heating temperature of the pelletizer dice influenced much breaking strength and the water resistance of the formed pellet.

Research Products

• [Presentation] 加圧熱水処理におけるバイオマス固形成分の変化 (2015)
  • Author(s): 鈴木渉、小林将啓 、村井 亮太、帖佐直、東城清秀
  • Organizer: 農業環境工学会関連5学会2015年合同大会
  • Place of Presentation: 岩手大学
  • Year and Date: 2015-09-15
• [Presentation] 加圧熱水法によるヒマワリ茎部のリグニン除去 (2014)
  • Author(s): 東城清秀，小林将啓，村井亮太，渡邊 匠，帖佐 直
  • Organizer: 農業施設学会2014年度大会
  • Place of Presentation: 神戸大学
  • Year and Date: 2014-08-28 – 2014-08-29
• [Presentation] ヒマワリ茎部の燃焼利用に向けた基礎データ (2014)
  • Author(s): 鈴木渉，東城清秀，帖佐直
  • Organizer: 農業施設学会2014年度大会
  • Place of Presentation: 神戸大学
  • Year and Date: 2014-08-28 – 2014-08-29
• [Presentation] 緑肥作物によるセシウム汚染土壌のリメディエーション－ヒマワリとソルガムの組み合わせ－ (2013)
  • Author(s): 松村昭治、脇田慎平、内田泰代、蜷木朋子、後藤逸男
  • Organizer: 日本土壌肥料学会2013年度名古屋大会
  • Place of Presentation: 名古屋大学（愛知県名古屋市）
• [Presentation] 加圧熱水処理によるヒマワリ茎部の糖化性の検討
  • Author(s): 濱田龍馬，東城清秀，帖佐直，村井亮太
  • Organizer: 第72回農業食料工学会年次大会
  • Place of Presentation: 帯広畜産大学（北海道帯広市）