Ruthenium oxidation catalyst
    3.
    发明申请
    Ruthenium oxidation catalyst 审中-公开
    钌氧化催化剂

    公开(公告)号:US20020131925A1

    公开(公告)日:2002-09-19

    申请号:US10100472

    申请日:2002-03-18

    Abstract: Provided is a ruthenium-based catalyst having from about 1 to 10 wt. % of a ruthenium component and at least about 0.5 wt. % of zinc oxide. In one embodiment of the catalyst, zinc oxide itself serves as a support on which the ruthenium is dispersed. In another embodiment, the ruthenium component and the zinc oxide are dispersed on a refractory oxide support other than zinc oxide. In a process aspect, the ruthenium-based catalyst can serve as a preferential oxidation catalyst in processes for removing carbon monoxide from an input gas stream containing carbon monoxide, hydrogen and oxygen. The invention also provides articles wherein multi-stage preferential oxidation processes for removal of carbon monoxide from hydrogen streams can be conducted.

    Abstract translation: 提供了一种钌基催化剂,其具有约1-10重量% %的钌组分和至少约0.5wt。 %的氧化锌。 在催化剂的一个实施方案中,氧化锌本身用作其上分散有钌的载体。 在另一个实施方案中,钌组分和氧化锌分散在氧化锌以外的难熔氧化物载体上。 在方法方面,钌基催化剂可用作从含有一氧化碳,氢气和氧气的输入气流中除去一氧化碳的方法中的优先氧化催化剂。 本发明还提供了可以进行用于从氢气流中除去一氧化碳的多级优先氧化方法的制品。

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