ULEV-II 규제대응용 배가스 후처리 시스템 구성을 위한 촉매 활성 연구
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To meet the ULEV-Ⅱ legislation, the catalytic of new technology catalyst has been discussed for exhaust gas aftertreatment system. For evaluating the performance of the new technology catalyst, engine dynamometer test and vehicle test were conducted. In the engine dynamometer test, it was proved that LOT & OSC performance of new technology catalyst had better than that of tri-metal catalyst. In addition, de-NOx activity was improved under cold start in FTP-75 mode. From the result of the test, the new technology catalyst is proposed for a optimized exhaust gas aftertreatment system for ULEV-Ⅱ.
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