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Treatment of ETA wastewater using GAC as particle electrodes in three-dimensional electrode reactor

활성탄 충진 3D 복극전기분해조를 이용한 ETA 처리

  • 김란 (한양대학교 건설환경공학과) ;
  • 김유진 (한양대학교 건설환경공학과) ;
  • 신자원 (한양대학교 건설환경공학과) ;
  • 김정주 (한양대학교 건설환경공학과) ;
  • 박주양 (한양대학교 건설환경공학과)
  • Received : 2013.01.17
  • Accepted : 2013.04.12
  • Published : 2013.04.15

Abstract

Ethanolamine (ETA) is widely used for alkalinization of water in steam cycles of nuclear power plants with pressurized water reactor. When ETA contained wastewater was released, it could increase COD and T-N. The treatment of the COD and T-N from ETA wastewater was investigated using the GAC as particle electrodes in three-dimensional electrode reactor (TDE). This study evaluated the effectiveness of GAC as particle electrode using different packing ratio at 300 V. The results showed that GAC-TDE could reduce ETA much more efficiently than ZVI-TDE at the mass ratio of GAC to insulator, 1:2. Additionally, The effect of applied electric potential to COD and T-N reduction was investigated. The results showed the high COD, T-N reduction and current efficiency at the low electric potential. Using the GAC-TDE will provide a better ETA reduction with reducing electrical potential dissipation.

Acknowledgement

Supported by : 한국에너지기술평가원

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