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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 621 - 629 (9page)
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초록· 키워드
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In this study we attempted to screen bacteria and fungi that generate electricity while treating wastewater using optimized double-chamber microbial fuel cell (MFC) system parameters. Optimization was carried out for five best exoelectrogenic isolates (two bacteria and three fungi) at pH values of 6.0, 7.5, 8.5, and 9.5, and temperatures of 30, 35, 40, and 45℃; the generated power densities were measured using a digital multimeter (DT9205A). The isolates were identified using molecular characterization, followed by the phylogenetic analysis of isolates with known exoelectrogenic microorganisms. The bacterium, Proteus species, N6 (KX548358.1) and fungus, Candida parapsilosis, S10 (KX548360) produced the highest power densities of 1.59 and 1.55 W/m2 (at a pH of 8.5 and temperatures of 35 and 40℃) within 24 h, respectively. Other fungi— Clavispora lusitaniae, S9 (KX548359.1) at 40℃, Clavispora lusitaniae, S14 (KX548361.1) at 35℃—and bacterium— Providencia species, N4 (KX548357.1) at 40℃—produced power densities of 1.51, 1.46, and 1.44 W/m2, respectively within 24 h. The MFCs achieved higher power densities at a pH of 8.5, temperature of 40℃ within 24 h. The bacterial isolates have a close evolutionary relationship with other known exoelectrogenic microorganisms. These findings helped us determine the optimal pH, temperature, evolutionary relationship, and exoelectrogenic fungal species other than bacteria that enhance MFC performance.
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참고문헌 (34)
참고문헌 신청
Abhilasha SM / 2009 / Production from various wastewaters through microbial fuel cell technology / J. Biochem. Techol 2:133~137
Altschul SF / 1990 / Basic local alignment search tool / J. Mol. Biol 215:403~410
Behera M / 2011 / Effect of operating temperature on performance of microbial fuel cell / Water Sci. Technol 64:917~922
Du Z / 2007 / A state of the art review on microbial fuel cells: A promising technology for wastewater treatment and bioenergy / Biotechnol. Adv 25:464~482
Franks AE / 2010 / Microbial fuel cells; a current review / Energies 3:899~919
Altschul SF / 1990 / Basic local alignment search tool / J. Mol. Biol 215:403~410
Behera M / 2011 / Effect of operating temperature on performance of microbial fuel cell / Water Sci. Technol 64:917~922
Du Z / 2007 / A state of the art review on microbial fuel cells: A promising technology for wastewater treatment and bioenergy / Biotechnol. Adv 25:464~482
Franks AE / 2010 / Microbial fuel cells; a current review / Energies 3:899~919
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