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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제20권 제7호
- 발행연도
- 2010.1
- 수록면
- 1,092 - 1,100 (9page)
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초록· 키워드
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Bacteria, fungi, and protozoa inhabiting the rumen, the largest chamber of the ruminants’ stomach, release large quantities of hydrogen during the fermentation of carbohydrates. The hydrogen is used by coexisting methanogens to produce methane in energy-yielding processes.
This work shows, for the first time, a fundamental possibility of using a hydrogen-rich fermentation gas produced by selected rumen ciliates to feed a lowtemperature hydrogen fuel cell. A biohydrogen fuel cell (BHFC) was constructed consisting of (i) a bioreactor, in which a hydrogen-rich gas was produced from glucose by rumen ciliates, mainly of the Isotrichidae family, deprived of intra- and extracellular bacteria, methanogens, and fungi;and (ii) a chemical fuel cell of the polymer-electrolyte type (PEFC). The fuel cell was used as a tester of the technical applicability of the fermentation gas produced by the rumen ciliates for power generation. The average estimated hydrogen yield was ca. 1.15 mol H2 per mole of fermented glucose. The BHFC performance was equal to the performance of the PEFC running on pure hydrogen. No fuel cell poisoning effects were detected. A maximum power density of 1.66 kW/m2 (PEFC geometric area) was obtained at room temperature. The maximum volumetric power density was 128W/m3 but the coulombic efficiency was only ca. 3.8%. The configuration of the bioreactor limited the continuous operation time of this BHFC to ca.
14 h.
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참고문헌 (25)
참고문헌 신청
Abou Akkada, A. R / 1960 / The biochemistry of rumen protozoa. 3. The carbohydrate metabolism of Entodinium / Biochem. J 76 : 445 ~ 451
Aelterman, P / 2006 / Continuous electricity generation at high voltages and currents using stacked microbial fuel cells / Environ. Sci. Technol 40 : 3388 ~ 3394
Bonhomme, A / 1986 / Endo-1,4-β-glucanase and β-glucosidase in the ciliate Polyplastron multivesiculatum free of cellulolytic bacteria / Can. J. Microbiol 32 : 219 ~ 225
Bullen, R. A / 2006 / Biofuel cells and their development / Biosens. Bioelectron 21 : 2015 ~ 2045
Coleman, G. S / 1972 / The cultivation of the rumen ciliates Epidinium ecaudatum caudatum and Polyplastron multivesiculatum in vitro / J. Gen. Microbiol 73 : 509 ~ 521
Aelterman, P / 2006 / Continuous electricity generation at high voltages and currents using stacked microbial fuel cells / Environ. Sci. Technol 40 : 3388 ~ 3394
Bonhomme, A / 1986 / Endo-1,4-β-glucanase and β-glucosidase in the ciliate Polyplastron multivesiculatum free of cellulolytic bacteria / Can. J. Microbiol 32 : 219 ~ 225
Bullen, R. A / 2006 / Biofuel cells and their development / Biosens. Bioelectron 21 : 2015 ~ 2045
Coleman, G. S / 1972 / The cultivation of the rumen ciliates Epidinium ecaudatum caudatum and Polyplastron multivesiculatum in vitro / J. Gen. Microbiol 73 : 509 ~ 521
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