Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Characteristics of organic pollutants in discharged industrial waste in Korea - Focuse on metallic and plastic manufacturing processes and wastewater treatment plants -

국내 사업장 폐기물 중 유기오염물질의 배출특성 연구 - 금속과 플라스틱 제조공정 및 폐수처리시설 중심으로 -

  • Yeon, Jin-Mo (National Institute of Environmental Research of Environmental Research) ;
  • Kang, Young-Yeul (National Institute of Environmental Research of Environmental Research) ;
  • Kim, Woo-Il (National Institute of Environmental Research of Environmental Research) ;
  • Shin, Sun-Kyoung (National Institute of Environmental Research of Environmental Research) ;
  • Jeong, Seong-Kyeong (National Institute of Environmental Research of Environmental Research) ;
  • Cho, Yoon-A (National Institute of Environmental Research of Environmental Research) ;
  • Kim, Na (National Institute of Environmental Research of Environmental Research) ;
  • Kim, Min-Sun (National Institute of Environmental Research of Environmental Research)
  • 연진모 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 강영렬 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 김우일 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 신선경 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 정성경 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 조윤아 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 김나 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 김민선 (국립환경과학원 환경자원연구부 자원순환연구과)
  • Received : 2012.08.17
  • Accepted : 2012.09.20
  • Published : 2012.12.25
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Abstract

In this study, PCDD/PCDFs, PAHs and PCBs in wastes from metal, plastic and wastewater treatment facilities were analyzed. The concentrations of PCDD/PCDFs ranged from 7.37~432.20 ng-TEQ/kg in fly ash, 0.51~855.01 ng-TEQ/kg in incinerated ash and 0.37~385.81 ng-TEQ/kg in dust. Dioxin content was lower, compared to data in foreign countries. PAHs concentration was in the range of 0.0075~2.9225 mg/kg for process sludge and 0.0035~1.6716 mg/kg for wastewater sludge, which satisfied all of the two standards (Nap, Ant, B(a)F:4/0.8, Phen, B(a)A:5/1, Flt:10/2.5, B(a)P:4.5/0.9) of the Marine Environment Management Act. PAHs concentration in process sludge and wastewater sludge were slightly lower than those abroad. According to the analysis of seven types of PCBs (in comparison with the first standard, 0.15 mg/kg), concentration was found in the range of 0.0~0.65 mg/kg, while PCB-52, PCB-101, PCB-138, PCB-153 and PCB-180 isomers were detected in excessive value in some machine oil and hydraulic fluid.

본 연구는 국내에서 배출되는 금속과 플라스틱 및 폐수처리시설 폐기물 중 유기오염물질류인 PCDD/PCDFs, PAHs, PCBs의 배출 특성을 파악하고자 수행하였다. PCDD/PCDFs의 농도는 비산재가 7.37~432.20 ng-TEQ/kg, 소각재는 0.51~855.01 ng-TEQ/kg, 분진의 0.37~385.81 ng-TEQ/kg 범위로 나타났으며 외국의 분석결과에 비해 다이옥신의 함량농도가 낮은 것으로 조사되었다. PAHs의 농도는 공정오니의 평균 함량농도가 0.0075~2.9225 mg/kg, 폐수처리오니는 0.0035~1.6716 mg/kg 범위로 나타나 해양환경관리법의 규제기준을 모두 만족하였으며, 공정오니 및 폐수슬러지의 PAHs 농도는 외국의 경우와 비교하여 다소 낮은 것으로 조사되었다. 또한, 해양환경보전법에서 관리하고 있는 PCBs 7 종을 분석한 결과(제 1기준 0.15 mg/kg 비교) 검출농도는 0.0~0.65 mg/kg으로 나타났으며, 일부 기계유 및 작동유에서 PCB-52, PCB-101, PCB-138, PCB-153 및 PCB-180 개별이성체가 초과되었다.

Keywords

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