【摘要】 制备出一种紧密耦合催化剂 ,这种催化剂可以有效解决汽车冷起动排放时的废气净化问题。试验结果表明 ,安装该紧密耦合催化剂的汽车 ,其废气的排放完全可达到欧洲Ⅱ号排放标准的排放限值要求。更多还原

【Abstract】 A close coupled catalyst prepared in present work can reduce efficiently the gas emission of engines in cold-start. The emission of exhaust gas of the catalyst reached the standard of Europe-Ⅱin the vehicle test.更多还原