Analysis of Dioxins and Furans from Bottom Ash Produced in an Municipal Solid Waste Incinerator

도시 소각로 시설의 고형 쓰레기 연소 후 생성된 바닥재 시료에 대한 다이옥신과 퓨란류의 분석

  • 장윤석 (한양대학교 이과대학 화학과) ;
  • 홍종기 (기초과학지원연구소 질량분석그룹) ;
  • 김진영 (기초과학지원연구소 질량분석그룹)
  • Published : 19950700

Abstract

Polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) are the most concerned toxic organic pollutants to human. Because of their extremely high toxicity and uncertain genotoxic potential, their determination in environmental and biological samples is of great interest. Municipal solid waste incinerator facilities have been reported as the major contributors of dioxins and furans to the environment, and their formation from combustion is a universal phenomenon, everywhere. In this study dioxins and furans were analyzed from the bottom ash produced during combustion in an municipal waste incinerator located in Seoul. The EPA method was modified for sample pretreatment: the soxhlet method was used for extraction and clean-up procedures were performed by using silica and basic alumina, excluding active-carbon. The extract was then analyzed by HRGC/HRMS. A general trend of increase in the amounts of 6∼7 chlorine-substituted dioxins and furans was observed. Total dioxins, furans and 2,3,7,8-TCDD were determined as 8.05 ng/g, 4.75 ng/g, and 6.93 pg/g, respectively.

Keywords

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