대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제27권4호
  • /
  • Pages.524-533
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  • 2003
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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활성탄 또는 촉매가 장착된 배리어 유전체 방전 하이브리드. 공기청정 시스템의 나노입자 및 잔류 오존 제거 특성

Nano Particle Precipitation and Residual Ozone Decomposition of a Hybrid Air Cleaning System Comprising Dielectric Barrier Discharge Plasma and MnO2 Catalyst or Activated Carbon

  • 변정훈 (연세대학교 대학원 기계공학과) ;
  • 황정호 (연세대학교 기계공학과) ;
  • 지준호 (연세대학교 대학원 기계공학과) ;
  • 강석훈 (연세대학교 대학원 기계공학과)
  • 발행 : 2003.04.01
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초록

DBD(Dielectric Barrier Discharge) plasma in air is well established for the production of large quantities of ozone and is more recently being applied to aftertreatment processes for HAPs(Hazardous Air Pollutants). Aim of this work is to determine design and operating parameters of a hybrid air cleaning system. DBD and ESP(Electrostatic Precipitator) are used as nano particle charger and collector, respectively. Pelletized MnO$_2$ catalyst or activated carbon is used fer ozone decomposition or adsorption material. AC voltage of 7～10 KV(rms) and 60 Hz is used as DBD plasma source. DC - 8 KV is applied to the ESP for particle collection. The overall particle collection efficiency for the hybrid system is over 85 % under 0.64 m/s face velocity. Ozone decomposition efficiency with pelletized MnO$_2$ catalyst or activated carbon packed bed is over 90 % when the face velocity is under 0.4 m/s in dry air.

키워드

참고문헌

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