Catalyst for purifying exhaust gases
    6.
    发明授权
    Catalyst for purifying exhaust gases 失效
    废气净化催化剂

    公开(公告)号:US4849398A

    公开(公告)日:1989-07-18

    申请号:US82533

    申请日:1987-08-07

    摘要: A catalyst for purifying exhaust gases contains: a catalyst support, a perovskite double oxide comprising at least one alkaline earth metal oxide, lathanum oxide and cerium oxide, carried on the catalyst support, and noble metal catalyst components carried on the catalyst support.The catalyst for purifying exhaust gases according to the present invention offers an improved durability and purifying ratios for carbon monoxide CO, hydrocarbons HC and nitrogen oxides NOx.

    摘要翻译: 用于净化废气的催化剂包含:载体在催化剂载体上的催化剂载体,包含至少一种碱土金属氧化物,氧化铟和氧化铈的钙钛矿双氧化物和载于催化剂载体上的贵金属催化剂组分。 根据本发明的用于净化废气的催化剂提供一氧化碳CO,烃HC和氮氧化物NOx的改进的耐久性和净化比。