| Project/Area Number |
21360374
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Properties in chemical engineering process/Transfer operation/Unit operation
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
SATO Yoshiyuki 東北大学, 大学院・工学研究科, 准教授 (50243598)
AIDA Taku 東北大学, 大学院・環境科学研究科, 助教 (00466541)
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| Project Period (FY) |
2009 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥17,810,000 (Direct Cost: ¥13,700,000、Indirect Cost: ¥4,110,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2010: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2009: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
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| Keywords | イオン液体 / 低粘度化 / バイオマス / 二酸化炭素 / セルロース / 相平衡 / 分配係数 / 分離プロセス / 超臨界流体 |
|---|
| Research Abstract |
Separation of biomass dissolved into ionic liquids using CO2 as antisolvent was studied. In the dissolution step, cellulose decomposed in some of the ionic liquids. However, ionic liquid, which was composed of acetate anion, showed negligible decomposition after 50 h at 40 ℃, regardless of whether it was pressurized or not. Gelation of cellulose-ionic liquid solution occurred at pressures 7 MPa, 25℃. Above 50℃, gelation did not occur. Viscosity of the solution decreased with increasing CO_2 pressure. Since gelation of cellulose with ionic liquid and CO2 occurs, separation of lignin from cellulose in actual biomass may be possible.
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