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연속류식미생물연료전지의유기물제거및전기발생특성Characteristics of Organic Material Removal and ElectricityGeneration in Continuously Operated Microbial Fuel Cell
- Other Titles
- Characteristics of Organic Material Removal and ElectricityGeneration in Continuously Operated Microbial Fuel Cell
- Issue Date
- 2010
- Publisher
- 유기성자원학회
- Keywords
- Microbial Fuel cell; Reticulated Vitreous Carbon; COD removal; Coulombicefficiency; Polarization curve; 미생물연료전지; RVC; COD 제거; 쿨롱효율; 분극곡선
- Citation
- 유기물자원화, v.18, no.1, pp.57 - 65
- Journal Title
- 유기물자원화
- Volume
- 18
- Number
- 1
- Start Page
- 57
- End Page
- 65
- ISSN
- 1225-6498
- Abstract
- 양성자교환막미생물연료전지(PEM-MFC)의경우양극의표면적을기준으로유기물제거능력을산출하면유기물부하에관계없이3.0 g COD/m2·d 수준으로나타났다. 또안정적인전압이관찰된시기의쿨롱효율은22.4~23.4 %로높지않은수준이었다. 양성자교환막은양성자뿐만아니라초산도통과시키는것으로확인되었다. 양성자교환막을사용하지않은상향류식미생물연료전지(ML-MFC)의경우다공성RVC 전극을사용한관계로전극의외부면적당유기물제거능력은9.3~10.1 g COD/m2·d로나타났다. 이는양성자교환막을사용한경우에비하여3배정도높은수준이다. 그러나RVC 양극의비표면적차이에따른유기물제거능력차이는크지않았다. ML-MFC의경우전기발생이안정적이지못하였으며, 쿨롱효율도3.6~3.7 %로매우낮은수준이었다. 전기발생량이안정적이지못한것은음극에성장한미생물의영향으로판단된다. 이를해결하기위해음극부의공기주입량을증가시키면일시적으로전기발생이증가하였으나오래지속되지못하였다.
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Related Researcher
- Jeong, Yeon-Koo
- College of Engineering (Department of Environmental Engineering)