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    • 88. 发明专利
    • Exhaust gas cleaning system
    • 排气清洁系统
    • JP2013034985A
    • 2013-02-21
    • JP2012012370
    • 2012-01-24
    • Nissan Motor Co Ltd日産自動車株式会社
    • SHIMADA MASANORIHANAKI YASUNARINIWA YUSUKE
    • B01D53/94B01J23/76B01J23/78B01J23/889B01J29/46B01J29/65B01J29/67B01J29/70B01J29/74B01J29/76B01J37/02
    • PROBLEM TO BE SOLVED: To provide an exhaust gas cleaning system which has the excellent cleaning performance of carbon monoxide, hydrocarbon or the like in a rich atmosphere and has the excellent cleaning performance of nitrogen oxide between a low temperature region and a high temperature region in a stoichiometric atmosphere even when a platinum group element is not used or the used amount of the platinum group element is greatly reduced.SOLUTION: In the exhaust gas cleaning system, a coat layer is formed on a carrier arranged in an exhaust gas flow passage of an internal combustion engine. The coat layer includes a material for adsorbing/desorbing and/or reforming hydrocarbon and a transition metal element (except a platinum group element)-containing catalyst. Hydrocarbon, which is desorbed or reformed from the material for adsorbing/desorbing and/or reforming the hydrocarbon, and/or its reformed gas are made to react with nitrogen oxide on the transition metal element (except the platinum group element)-containing catalyst to clean them.
    • 解决的问题:提供一种在富气氛中具有优异的一氧化碳,烃等清洁性能的废气净化系统,并且在低温区​​域和高温区域之间具有优异的氮氧化物清洗性能 即使不使用铂族元素或铂族元素的使用量大大降低,也在化学计量气氛中。 解决方案:在废气净化系统中,在布置在内燃机的废气流动通道中的载体上形成涂层。 涂层包括用于吸附/解吸和/或重整烃和过渡金属元素(除了含铂族元素)的催化剂的材料。 使碳氢化合物和/或其重整气体从用于吸附/解吸和/或重整烃的材料中解吸或重整的烃与过渡金属元素(除含铂族元素)的催化剂上的氮氧化物反应至 清理它们 版权所有(C)2013,JPO&INPIT