以汽油和天然气为燃料的双燃料发动机的排放特点、排放控制技术难点和催化剂技术现状, 对负载型稀土/贵金属催化剂上CH4催化氧化反应机制和双燃料车催化剂设计因素进行了探讨, 指出双燃料车催化剂设计技术必须综合考虑CH4催化氧化、天然气发动机技术和催化转化器匹配技术的共同发展, 才能达到有效应用催化剂技术进行排放控制的目的. 面临即将执行更严格的欧3排放标准, 同时还提出对双燃料车催化剂技术发展的建议.
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