대형 경유트럭의 NO<sub>x</sub> 저감장치에 따른 배출가스 특성비교

문선희; 유흥민; 손지환; 윤창완; 박규태; 김정수; 이종태

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자료유형: 학술저널

저자정보: 문선희 (교통환경연구소) 유흥민 (교통환경연구소) 손지환 (교통환경연구소) 윤창완 (교통환경연구소) 박규태 (교통환경연구소) 김정수 (교통환경연구소) 이종태 (국립환경과학원 교통환경연구소)

저널정보: 한국분무공학회 한국액체미립화학회지 한국액체미립화학회지 제20권 제3호

발행연도: 2015.1

수록면: 149 - 155 (7page)

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With increasing of GDP, the registration number of passenger cars has exceeded 20 million last year in Korea. Especially, the registration number of the diesel engine vehicles has been increasing. However, the WHO(World Health Organization) IARC (International Agency for Research on Cancer) has reported that diesel engine exhaust gas is an one of HAPs, which has carcinogenic for human, and they have designated it to Group 1. To solve this problem, exhaust gas from diesel engines has to be controlled. Thus, it has been controlling by European regulatory standard in Korea. On the other hand, in order to meet the enhanced emission regulations, all manufacturing company applied $NO_x$ control device to vehicles such as EGR (Exhaust Gas Recirculation), SCR (Selective Catalytic Reduction) and so on. However, these devices (EGR, SCR) were operated by difference reaction mechanism respectively, and the composition of exhaust gas would be differenced from that of them. In this study, it was conducted to evaluate variety characteristics on changing of exhaust gas composition by each $NO_x$ control device, and the heavy duty diesel trucks were chosen as experimental vehicles. From the result, it revealed that vehicles (with EGR) were discharged higher THC as 52.5% than that of others (with SCR). However, it did not followed that trend, in the case of CO; it was discharged as 57.2% lower than that of others (with SCR). In the future, these data would be used to apply to efficient $NO_x$ control device for meeting to EURO 6.

#대형 경유트럭 #배기 가스 재순환 #선택적 환원촉매 #총탄화수소 #$NO_x$ 저감장치

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