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HC-SCR 시스템을 적용한 디젤 자동차의 NOx 저감에 관한 연구
정희석(Heesuk Jeong),김덕진(Deokjin Kim),오광철(Kwanchul Oh),권봉수(Bongsu Kwon),이천환(Chunhwan Lee),김태민(Taemin Kim),이해수(Haesoo Lee) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
The diesel engine reduces NOx that is one of toxic substances. It is well known that EGR, Urea-SCR, and HC-SCR for reducing the NOx. EGR technology have fuel efficiency problem, and Urea-SCR technology have issues that is the infrastructure as well as the safekeeping of a reducing agent in spite of the commercialized technology. From the point of view saving petroleum resources, HC-SCR has a good point because of using the diesel as the reducing agent, although the purifying efficiency is lower. Accordingly in this paper, we found how to upgrade the quality of HC-SCR technology for improving the purifying efficiency, and reported the experimental result with applying the proposed method to real vehicles.