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고상철(Sangchul Ko),오광철(Kwangchul Oh),염경민(Kyoungmin Yeom),김덕진(Deokjin Kim),이춘범(Chunbum Lee) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Euro-6 exhaust gas regulation in order to satisfy most of the vehicles is expected to be equipped with DeNOx catalyst. The vanadium based extrusive-SCR of this paper simplifies the manufacturing process by plasticity after mixing with the wash-coat and substrate. V-based extrusive SCR used in this paper reduced manufacturing process about 5 steps to dramatically reduce the existing 10 step manufacturing process of coating-SCR catalyst, lowering the price, but vanadium(V₂O₃) is near to melting point at 690℃, the catalytic activity of V-based SCR catalyst was dropped due to sintering of active sites. In this paper, hydrothermal aging and compressive strength characteristics of V-based extrusive SCR were investigated.