Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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A Study on Electricity Generation of Marine Sediment Cells

해양 퇴적토전지의 발전 특성에 대한 연구

  • Lee, Eun-Mi (Department of Energy & Environmental Engineering, Soonchunhyang University) ;
  • Kwon, Sung-Hyun (Department of Marine Environmental Engineering/Institute of Marine Industry Gyeongsang National University) ;
  • Rhee, In-Hyoung (Department of Energy & Environmental Engineering, Soonchunhyang University) ;
  • Park, Byung-Gi (Department of Energy & Environmental Engineering, Soonchunhyang University) ;
  • Cho, Dae-Chul (Department of Energy & Environmental Engineering, Soonchunhyang University)
  • 이은미 (순천향대학교 에너지환경공학과) ;
  • 권성현 (경상대학교 해양환경공학과(해양산업연구소)) ;
  • 이인형 (순천향대학교 에너지환경공학과) ;
  • 박병기 (순천향대학교 에너지환경공학과) ;
  • 조대철 (순천향대학교 에너지환경공학과)
  • Received : 2011.03.02
  • Accepted : 2011.04.09
  • Published : 2011.05.31
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Abstract

Sediment cell is renewable energy which produces electric energy using immanent ingredients or reducing power of marine sediment as natural resources. Also the cell has an advantage that environmental pollution can be reduced through conversion of organic and inorganic contaminants into inert matter with generation of the energy. In this paper, we compared characteristics of electricity generation of the two different sediment cells, and investigated the regeneration effect of the sediment cells with manipulation of the sediment such as mixing and re-positioning. The results showed that 14.1 $W/m^2$ of power was obtained with the aluminum electrode, and the mixing of the sediment could increase the power by 4 $W/m^2$ compared to the control. Also, mixing the sediment has kept electricity for 4 weeks at a relatively constant level, which implied 'fuel regeneration effect'. Meanwhile, the sediment cell was proved to be effective in reduction of COD, which was up to 28.6%.

Keywords

References

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