생활폐기물 열분해-가스화-융융공정시설에서 다이옥신의 분포특성
Distribution characteristics of dioxin concentration in pyrolysis-gasification-melting process facilities
분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2007, v.20 no.1, pp.10-16
박선구
(국립환경과학원)
손지환
(한국외국어대학교 환경학과)
김기헌
(국립환경과학원)
강영렬
(국립환경과학원)
박선구,
손지환,
김기헌,
&
강영렬.
(2007). 생활폐기물 열분해-가스화-융융공정시설에서 다이옥신의 분포특성, 20(1), 10-16.
초록
생활폐기물 열분해-가스화-용융공정 2개 시설(A 및 B 시설)에 대하여 PCDDs/PCDFs 농도를 조사한 결과, A시설은 2차연소로후단, 보일러후단, 굴뚝에서 PCDDs/PCDFs의 농도는 각각 0.88, 2.29, 0.16 ng I-TEQ/$m^3$으로 나타났다. B시설에서 열분해-가스화-용융로후단, 굴뚝에서 PCDDs/PCDFs 농도는 각각 0.22, 0.05 ng I-TEQ/$m^3$로 나타났다. 두 시설 모두에서 고온의 연소로보다 냉각구간의 보일러에서 다이옥신의 재합성으로 인하여 농도가 증가되었다. 또한 A시설에서는 2, 3, 4, 7, 8-PeCDF, 2, 3, 4, 6, 7, 8-HxCDF, 1, 2, 3, 6, 7, 8-HxCDF 순서로 높은 농도를 나타냈으며, B시설은 2, 3, 4, 7, 8-PeCDF, 1, 2, 3, 7, 8-PeCDD, 2, 3, 4, 6, 7, 8-HxCDF 순서로 높게 나타났다.
- keywords
-
PCDs/PCDFs,
pyrolysis,
gasification,
melting process. Corresponding authorPhone : +82-(0)32-560-7374 Fax : +82-(0)32-563-0348E-mail: j02son@me.go.kr,
PCDs/PCDFs,
pyrolysis,
gasification,
melting process. Corresponding authorPhone : +82-(0)32-560-7374 Fax : +82-(0)32-563-0348E-mail: j02son@me.go.kr
Abstract
This research was designed to investigate the formations of hazardous air pollutants in the MSWs pyrolysis-gasification-melting process. In this survey, PCDDs/PCDFs (polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofuran) were investigated in the two facilities (A and B facilities). In A facility, the PCDDs/DFs concentrations were 0.88, 2.29, 0.16 ng I-TEQ/$m^3$ respectively on the secondary incinerator, boiler and stack. In B facility, the PCDDs/PCDFs concentrations were 0.22, 0.05 ng I-TEQ/$m^3$ respectively on the pyrolysis-gasification-melting furnace and stack. The concentrations of PCDDs/PCDFs increased due to resynthesis during cooling process in the both facilities. High concentrations of PCDDs/PCDFs isomers were founded as 2, 3, 4, 7, 8-PeCDF, 2, 3, 4, 6, 7, 8-HxCDF and 1, 2, 3, 6, 7, 8-HxCDF orderly in A facility, and 2, 3, 4, 7, 8-PeCDF, 1, 2, 3, 7, 8-PeCDD and 2, 3, 4, 6, 7, 8-HxCDF orderly in B facility.
- keywords
-
PCDDs/PCDFs,
pyrolysis,
gasification,
melting process