1704 排気酸化触媒による直噴式バイオディーゼル燃料機関の排気低減

概要

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This paper describes the feasibility of exhaust oxidation catalyst to reduce exhaust emissions from Biodiesel Fueled DI diesel engines. Biodiesel fuel is essentially free of sulphur, so that an increase in PM emission by sulphate formation on oxidation catalyst will be prevented. In this study, effects of sulphur contents in fuel and exhaust temperature on reducing of Smoke, PM, HC, Co, NOx, HCHO and CH3CHO emissions was investigated via experiments using neat or blended fuel of Biodiesel and gas-oil. From experimental results, it was found that PM emission for Biodiesel fuel presents higher reduction rate than that for gas-oil at partial loads. And the reduction rate of emissions by oxidation catalyst drastically decreases for exhaust temperature under 450K.
社団法人日本機械学会の論文
2002-09-20