Emission Character of Dioxins and Precursors in the Control Devices of the MSWI (II)

도시쓰레기 소각로 방지시설 중 다이옥신류 및 전구물질의 배출특성(II)

  • Shin, S.K. (National Institute of Environmental Research) ;
  • Chung, Y.H. (National Institute of Environmental Research) ;
  • Lee, W.S. (National Institute of Environmental Research)
  • 신선경 (국립환경연구원 환경위해성연구부 미량물질분석과) ;
  • 정영희 (국립환경연구원 환경위해성연구부 미량물질분석과) ;
  • 이원석 (국립환경연구원 환경위해성연구부 미량물질분석과)
  • Received : 1998.07.27
  • Published : 1999.02.25


The Concentrations of PCDDs/PCDFs and their precusors(chlorophenols, chlorobenzenes, PCB) were analyzed from the dioxin control device such as EP and SCR to know the emission patterns of these compounds and find the dioxin index compounds. The dioxin concentration increased 7 times in outlet part than inlet part of EP and the concentration of CBs, CPs and PCBs also were increased through this control device. These phenomia may be related to the operating temperature of Electroprecipitator(EP), which the operating temperature is near the $300^{\circ}C$, the method of the decreasing the operating temperature need to consider to prevent the formation of these compounds. In the selected catalytic reactor with wet scrubber(SCR+WS), these compounds were removed after passing the device over 90% for CPs, 30~40% for CBs and 60% for PCBs. But, the systematic study have to perform to reduce the formation of PCDDs/PCDFs and precusors.




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