Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Characteristics of Non-Thermal Plasma Process for Air Pollution Control

대기오염 물질 저감을 위한 저온 플라즈마 반응공정의 특성

  • 송영훈 (한국기계연구원 열유체 환경연구부) ;
  • 신동남 (한국기계연구원 열유체 환경연구부) ;
  • 신완호 (한국기계연구원 열유체 환경연구부) ;
  • 김관태 (한국기계연구원 열유체 환경연구부) ;
  • 최연석 (한국기계연구원 열유체 환경연구부) ;
  • 최영석 (단국대학교 기계공학과) ;
  • 이원남 (단국대학교 기계공학과) ;
  • 김석준 (한국기계연구원 열유체 환경연구부)
  • Published : 2000.06.01
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Abstract

Basic characteristics of non-thermal plasma process to remove C2H4 and NO have been experimentally investigated with a packed-bed type reactor and an ac power supply. The performance of the non-thermal plasma generated by ac power supply was compared with that of a wire-plate type reactor equipped with a pulsed power supply. The result shows that the non-thermal plasma can be effectively generated with an AC power supply that can be easily fabricated with conventional techniques. In order to understand the basic reaction mechanisms of the non-thermal plasma process, parametric tests for different carrier gases(air and nitrogen) and for different reaction pathways have been performed. The test results show that O3 generated by non-thermal plasma plays an dominant role to oxidize C2H4 and NO over N and O radicals when these pollutant gases are carried by dry air under room temperature condition. Experimental observations, however, indicate that N and O radicals can significantly affect on the removal process of the pollutant gases under certain conditions.

Keywords

References

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