2010 Fiscal Year Final Research Report
Recovery of Hydrogen energy from cow waste by anaerobic microflora naturally present in the waste
| Project/Area Number |
19780207
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Zootechnical science/Grassland science
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| Research Institution | National Agricultural Research Organization |
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Principal Investigator |
YOKOYAMA Hiroshi National Agricultural Research Organization, 畜産草地研究所・資源化システム研究チーム, 主任研究員 (40391370)
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| Project Period (FY) |
2007 – 2010
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| Keywords | 水素 / バイオマス / 嫌気性好熱細菌 / 牛糞 |
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| Research Abstract |
Hydrogen (700 mL/kg-cow dung) was produced by dry fermentation of cow dung at a optimum temperature of 60℃ using hydrogen-producing bacteria, naturally present in the dung. Extremely thermophilic microflora, enriched from cow dung, showed a high hydrogen yield of 3.32 mol/mol-glucose at the HRT of 3 days in continuous culture. The microflora was suggested to posses unusual fermentative properties, as compared with moderately thermophilic and mesophilic bacteria.
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