Journal of Korea Society of Waste Management (한국폐기물자원순환학회지)

Korea Society of Waste Management (한국폐기물자원순환학회)
권호 표지

Estimation of Emission Factors for PCDD/DFs and Co-PCBs Emitted from Uncontrolled Incineration Processes of Waste Wood (Construction/Demolition) and Household Waste

건축폐목재 및 가정폐기물의 비관리 연소공정에서 배출되는 PCDD/DFs 및 Co-PCBs의 배출계수 산정

Moon, Dong-Ho;Hwang, Tae-Woong;Park, Geum-Jung;Lee, Sang-Won;Joo, Chang-Han;Ok, Gon
문동호;황태웅;박금정;이상원;주창한;옥곤

  • Published : 2007.01.30
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Abstract

POPs including PCDDs, PCDFs and Co-PCBs are emitted to environment as unintentional by-products formed by various industrial activities according to development of technology. POPs have high toxicity, and they persist for long periods of time in the environment and can bio-accumulate from one species to the next through food chain. In many countries including Korea, there are enough researches about emission factors (EFs) and activity factors (AFs) on point sources. However, there is no sufficient data for establishment of EFs and AFs about non-point sources such as small combustion facilities, accidental fires, and uncontrolled conbustions. For non-point sources like these, EFs of these compounds are difficult to estimate because variable factors such as sampling method, composition, quality of incineration and combustion conditions make it hard to determine. In this study, a flux chamber was set to simulate an open-burning of waste wood(for construction/demolition) and domestic waste by incineration. And using the results, PCDD/DFs and Co-PCBs isomer patterns of open-burning would be compared with those of three MSWIs, and the effective emission factors should be suggested. From the results of simulation test, for waste wood, average value of PCDD/DFs and Co-PCBs was 0.215 ng WHO-TEQ/Nm3 and 0.026 ng WHO-TEQ/Nm3 respectively. Also, for domestic waste, average value of PCDD/DFs was 0.091 ng WHO-TEQ/Nm3 and that of Co-PCBs was 0.004 ng WHO-TEQ/Nm3. In addition, EFs for PCDD/DFs + Co-PCBs were estimated to 10.90 ng WHO-TEQ/kg and 7.66 ng WHO-TEQ/kg, respectively.

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