Exhaust gas clean-up catalyst
    1.
    发明授权
    Exhaust gas clean-up catalyst 有权
    废气净化催化剂

    公开(公告)号:US06645439B2

    公开(公告)日:2003-11-11

    申请号:US09317820

    申请日:1999-05-25

    IPC分类号: B01D5394

    摘要: Exhaust gas clean-up catalysts that contain one or two or more noble metals chosen from the group platinum (Pt), rhodium (Rh), ruthenium (Ru), Iridium (Ir), osmium (Os) and other noble metals, and at least one of tungsten (W) metal or tungsten oxide and, optionally, at least one of niobium (Nb) metal, niobium oxide, molybdenum (Mo) metal, or molybdenum oxide, and which can also contain the metal oxide(s) ceria and/or zirconia if necessary, are especially useful for cleaning up hydrocarbons in exhaust gases.

    摘要翻译: 含有选自铂(Pt),铑(Rh),钌(Ru),铱(Ir),锇(Os)等贵金属的一种或两种以上贵金属的废气净化催化剂, 钨(W)金属或氧化钨中的至少一种和任选的铌(Nb)金属,氧化铌,钼(Mo)金属或氧化钼中的至少一种,并且还可以含有金属氧化物二氧化铈 和/或氧化锆,特别适用于清除排气中的碳氢化合物。