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최병철(B.C.Choi),이춘희(C.H.Lee),박희주(H.J.Park),정명근(M.G.Jung),신병선(B.S.Shin) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, as people pay attention to the environmental pollution, the emission of diesel engine has become a serious problem. We carried out the performance evaluation test of Diesel Oxidation Catalysts (DOC) for Diesel Engine equipped Vehicles. DOC that was basically coated with Pt catalyst was manufactured with various washcoat materials. It was found that CO conversion efficiency depends on temperature, but THC conversion is dominated by temperature and space velocity. THC and CO conversion efficiency of aged catalysts increased with addition of Zr03 and Zeolite B in the washcoat. We found that DOC performance changes by coating technique even if it is same washcoat materials. DOC that the durability performance coats in suitable washcoat coating technology in high temperature was superior.<br/>