[논문]제철제강시설의 대기오염물질 배출특성 및 배출계수 산정

김병욱; 홍영균; 이영섭; 양승표; 현근우; 이건호

doi:10.5668/jehs.2021.47.3.259

제철제강시설의 대기오염물질 배출특성 및 배출계수 산정
Emission Characteristics and Coefficients of Air Pollutants in Iron and Steel Manufacturing Facilities 원문보기

韓國環境保健學會誌 = Journal of environmental health sciences, v.47 no.3, 2021년, pp.259 - 266

김병욱 (강원도보건환경연구원) , 홍영균 (강원도보건환경연구원) , 이영섭 (강원도보건환경연구원) , 양승표 (강원도보건환경연구원) , 현근우 (강원도보건환경연구원) , 이건호 (강원도보건환경연구원)

Abstract ▼ AI-Helper

Objectives: This study was conducted to identify the emissions characteristics of total particulate matter (TPM), fine dust (PM10, PM2.5), and gaseous pollutants (SOx, NOx) in iron and steel manufacturing facilities in order to investigate emissions factors suitable for domestic conditions. Methods: Total particulate matter (TPM), fine dust (PM10, PM2.5), and gas phase materials were investigated at the outlet of electric arc furnace facilities using a cyclone sampling machine and a gas analyzer. Results: The concentrations of TPM ranged from 1.64 to 3.14 mg/Sm3 and the average was 2.47 mg/Sm3. Particulate matter 10 (PM10) averaged 1.49 mg/Sm3 with a range of 0.92 to 1.99 mg/Sm3, and the resulting ratio of PM10 to TPM was around 60 percent. PM2.5/PM10 ranged from 33.7 to 47.9% and averaged 41.6%. Sulfur oxides (SOx) were not detected, and nitrogen oxides (NOx) averaged 6.8 ppm in the range of 5.50 to 8.67 ppm. TPM emission coefficients per product output were in the range of 0.60 to 1.26 g/kg, 0.13 to 0.79 g/kg for PM10 and 0.12 to 0.36 g/kg for PM2.5, and showed many differences from the emissions coefficients previously announced. An emissions coefficient for NOx is not currently included in the domestic notices, but the results were calculated to be 0.42 g/kg per product output. Conclusions: Investigation and research on emissions coefficients that can reflect the characteristics of various facilities in Korea should be conducted continuously, and the determination and application of unique emissions coefficients that are more suitable for domestic conditions are needed.

주제어

표/그림 (9)

표 Table 1. General status of the facilities studied
표 Table 2. Methods for sampling and analysis
그림 Fig. 1. Sampling device and configuration diagram
그림 Fig. 2. The emission characteristics of particulate matters
표 Table 3. The emission concentration of particulate matters
표 Table 4. The composition ratio of particulate matters
표 Table 5. The emission characteristics of SOx and NOx
표 Table 6. The emission factor of electric arc furnace in this study
표 Table 7. Domestic air pollutant emission factor of electric arc furnace

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