2006 Fiscal Year Final Research Report Summary
Sub-critical Water Treatment of Wood Cellulose for Ethanol Production
| Project/Area Number |
16380169
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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 |
Agricultural environmental engineering
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| Research Institution | Kobe University |
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Principal Investigator |
HORIO Hisashi Kobe University, Faculty of Agriculture, Professor, 農学部, 教授 (00031229)
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| Co-Investigator(Kenkyū-buntansha) |
FUKUDA Hideki Kobe University, Graduate School of Science and Technology, Professor, 自然科学研究科, 教授 (30263396)
KONDO Akihiko Kobe University, Faculty of Engineering, Professor, 工学部, 教授 (40205547)
TZENKOWA Roumiana Nikolova Kobe University, Faculty of Agriculture, Professor, 農学部, 教授 (30294200)
ITOH Hiromichi Kobe University, Faculty of Agriculture, Associate Professor, 農学部, 助教授 (00258063)
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| Project Period (FY) |
2004 – 2006
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| Keywords | wood waste utilization / modification of wood cellulose / sub-critical water treatment / glucose production / wood fine-crusher / pattern of fine-crushed wood |
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| Research Abstract |
The research target of preprocessing technology development is using sub-critical water for directly employing to enzymatic saccharification modified insolubility in water wood cellulose. Results were as follows:
(1) Development of wood fine-crusher: The fine-crusher consisted from frail type knives and rotary sieve was developed and defined as low power requirement. Machine design parameters were evaluated by using multivariate analysis for quantified index of fine-crushed wood of irregular pattern by introducing fractal dimension.
(2) Lignin removal by sub-critical water; 1) Removal was investigated for various pattern and sizes of fine-crushed wood by changing temperatures and treatment times. Removal ratio was described by the function of fractal dimension of fine-crushed wood. 2) Removal ratio was defined depending on slurry concentration of fine-crushed wood in water. The ratio was decreased in higher concentration and constant over 4%.
(3) Sub-critical water reformation of wood cellulose and enzymatic saccharification; Tissue paper and fine-crushed wood reformed by sub-critical water for various temperatures and treatment times were employed in enzymatic saccharification test by using Aspergillus niger and Tricoderma. The reformation effects were verified.
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Research Products
(9 results)
