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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제19권 제12호
- 발행연도
- 2009.1
- 수록면
- 1,665 - 1,671 (7page)
이용수
초록· 키워드
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Anaerobic digestion sludge was cultivated in an electrochemical
bioreactor (ECB) to enrich the hydrogenotrophic methanogens.
A modified graphite felt cathode with neutral red (NRcathode)
was charged with electrochemical reducing power
generated from a solar cell. The methane and carbon
dioxide collected in a Teflon bag from the ECB were more
than 80 ml/l of reactant/day and less than 20 ml/l of
reactant/day, respectively, whereas the methane and carbon
dioxide collected from a conventional bioreactor (CB) was
around 40 ml/l of reactant/day, respectively. Moreover, the
maximal volume ratios of methane to carbon dioxide (M/C
ratio) collected in the Teflon bag from the ECB and CB were
7 and 1, respectively. The most predominant methanogens
isolated from the CB on the 20th, 80th, and 150th days of
incubation were hydrogenotrophs. The methanogenic diversity
analyzed by temperature gradient gel electrophoresis
(TGGE) of the 16S rDNA variable region was higher in
the ECB than in the CB. The DNA extracted from the
TGGE bands was more than 95% homologous with
hydrogenotrophic methanogens in the ECB, but was an
aceticlastic methanogen in the CB. In conclusion, the
ECB was demonstrated as a useful system for enriching
hydrogenotrophic methanogens and increasing the M/C
ratio of the gas product.
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등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Angenent, L. T. / 2002 / Methanogenic population dynamics during startup of a full-scale anaerobic sequencing batch reactor treating swine waste / Water Res 36 : 4648 ~ 4654
Balch, W. E. / 1976 / New approach to the cultivation of methanogenic bacteria: 2-Mercaptoethanesulfonic acid (HSCoM)- dependent growth of Methanobacterium ruminantium in a p
Barredo, M. S. / 1991 / Effect of propionate toxicity on methanogen-enriched sludge Methanobrevibacter smithii, and Methanospirillum hungatii at different pH values / Appl. E
Calli, B. / 2005 / Community changes during start-up in methanogenic bioreactors exposed to increasing levels of ammonia / Environ. Technol 26 : 85 ~ 91
Dhillon, A. / 2005 / Methanogen diversity evidenced by molecular characterization of methyl coenzyme M reductase A(mcrA) genes in hydrothermal sediments of the Suaymas Basin
Balch, W. E. / 1976 / New approach to the cultivation of methanogenic bacteria: 2-Mercaptoethanesulfonic acid (HSCoM)- dependent growth of Methanobacterium ruminantium in a p
Barredo, M. S. / 1991 / Effect of propionate toxicity on methanogen-enriched sludge Methanobrevibacter smithii, and Methanospirillum hungatii at different pH values / Appl. E
Calli, B. / 2005 / Community changes during start-up in methanogenic bioreactors exposed to increasing levels of ammonia / Environ. Technol 26 : 85 ~ 91
Dhillon, A. / 2005 / Methanogen diversity evidenced by molecular characterization of methyl coenzyme M reductase A(mcrA) genes in hydrothermal sediments of the Suaymas Basin
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