1995 Fiscal Year Final Research Report Summary
Research and Development of Carbon-Based Materials for Environment Clean-Up from Wood Wastes by Thermal Conversion
| Project/Area Number |
06556056
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| Research Category |
Grant-in-Aid for Developmental Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
生物資源科学
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| Research Institution | KYOTO UNIVERSITY |
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Principal Investigator |
ISHIHARA Shigehisa Kyoto University, Wood Res.Inst.Professor, 木質科学研究所, 教授 (90027160)
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| Co-Investigator(Kenkyū-buntansha) |
MORITA Hiromitsu Kyushu Univ., Fac.of Agric.Assoc.Prof., 農学部, 助教授 (30038301)
YAMANE Takeshi Shinmaywa Co., Ltd, Dept.R & D Leader, 開発事業本部, グループリーダー
IDE Isamu Lignyte Co., Ltd., Dept.R & D Director, 機能材料開発部, 部長
IMAMURA Yuji Kyoto Univ., Wood Res.Inst.Assoc.Prof., 木質科学研究所, 助教授 (70151686)
HARIMA Takanori Univ.of Tokyo, Fac.of Agri.Assoc.Prof., 農学部, 助教授 (10144057)
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| Project Period (FY) |
1994 – 1995
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| Keywords | Wood wastes / Thermal conversion / Wood Charcoal / NOx / Pollution by heavy metals / Environmental clean-up / photocatalytic reaction / Harmless conversion |
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| Research Abstract |
In order to develop newly functional materials utilizing wood thinnings, residues and wastes from wood industries, forestry wastes and unused wood species, research and development studies on carbon-based materials for environmental clean-up from charcoal of wood wastes by thermal conversion. New yarding systems of thinnings and gathering systems of wastes from deconstruction of wood building and of wastes and residues from wood industries are developed. A new carbonization system is also development.
Characteristics of wood charcoals of sugi thinnings carbonized at a temperature range of 60ﾟC to 2800ﾟC under N_2 or Ar gas flow is done. Electric conductivity, thermal conductivity and properties of adsorption of wood charcoal are drastically changed with a rise in carbonization temperature. Relationships between carbonization temperature and photo catalytic reactions of wood charcoal are examined and discussed. The possibility of utilizing charcoal materials from sugi for adsorbing heavy metals like Hg, Zn, Cr, As, Cd and Pb from aqueous solutions of different concentrations are researched. Relationships of carbonization temperature to the selective adsorption of Hg, Zn, Pb, Cr, Cd and As from a polluted water are found and discussed. Removal of NOx or its conversion into harmless gases by charcoals and carbon-based composites of charcoals and metal oxides are examined and discussed. Adsorption of isopropyl alcohol as an organic cleaning solution under charcoal adsorbance phases for the electric divices industries and precision machinery industries is also examined and discussed. The possibility of newly carbon-based from charcoals of wood wastes for environment clean-up is researching and developing.
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