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Characteristics of hazardous oil & liquid fuel waste discharged from various industries

폐유 및 액상연료 공정 폐기물에서 무기물질류의 함량특성

  • 신선경 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 정성경 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 김우일 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 전태완 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 강영렬 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 연진모 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 조윤아 (국립환경과학원 환경자원연구부 자원순환연구과) ;
  • 김민선 (국립환경과학원 환경자원연구부 자원순환연구과)
  • Received : 2013.06.04
  • Accepted : 2013.07.29
  • Published : 2013.08.25

Abstract

This study was performed to investigate the contents characteristics of hazardous oil wastes and wastes of liquid fuels from different industrial process. In order to establish a hazardous waste list, samples of various industrial discharge have been analyzed for 16 non-regulated inorganic hazardous substances (i.e., Cu, Pb, Cd, CN, Hg, As, T-Cr, $Cr^{6+}$, Sb, Ni, F, V, Ba, Zn, Be, Se). In more detail, hazardous waste samples including waste hydraulic oils, waste engine, gear and lubricating oils, waste insulating and heat transmission oils, bilge oils, oil/water separator contents processing were collected from 37 workplaces and analyzed. We observed that the most of the inorganic substances exceeded the proposed criteria in many samples. Especially the concentration of Sb in heat transmission oil, bilge oil and gear & lubricating oils were ranged from 6 to 419 mg/kg whereas the proposed criteria is 50 mg/kg. The assessment result of hazardous waste in Korea according to the EWC showed that the out of 24 processes, 16 belongs to absolute entry and 8 belongs to mirror entry. In conclusion, we expect the outcome of this study to align the classification system of hazardous waste management in South Korea with international legislations, and consequently contribute to reduce environmental pollution as well as health risks by toxic wastes.

Keywords

hazardous waste classification;contents analysis;designated waste;oil waste;liquid fuel waste

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