Reactor for preferential oxidation and method of use
    3.
    发明授权
    Reactor for preferential oxidation and method of use 失效
    反应器优先氧化和使用方法

    公开(公告)号:US06824904B2

    公开(公告)日:2004-11-30

    申请号:US10133840

    申请日:2002-04-26

    IPC分类号: H01M804

    摘要: A preferential oxidation reactor is provided including a plurality of reactor sections. The reactor sections are individually optimized for operating at a preferred reaction temperature. In one embodiment, each reactor subsection includes a respective coolant flow for manipulating the operating temperature of the respective subsection. In another embodiment, a first section includes a lower temperature catalyst substrate, a second reactor section includes a higher temperature (i.e. normal) catalyst substrate and a third reactor section includes a lower temperature catalyst substrate. Yet another embodiment includes modifying the catalyst substrates of the respective subsections through the inclusion of promoters. Still another embodiment includes varying a density of the catalyst substrate across the reactor sections. Each of the embodiments enable quick light-off of the reactor, while limiting a reverse water-gas shift reaction.

    摘要翻译: 提供了包括多个反应器部分的优先氧化反应器。 反应器部分被单独优化以在优选的反应温度下操作。 在一个实施例中,每个反应器子部分包括相应的冷却剂流,用于操纵相应子部分的工作温度。 在另一个实施方案中,第一部分包括较低温度的催化剂底物,第二反应器部分包括较高温度(即正常的)催化剂基质,第三反应器部分包括较低温度的催化剂基质。 另一个实施方案包括通过包含启动子修饰各个子部分的催化剂底物。 另一个实施方案包括改变跨反应器部分的催化剂基质的密度。 每个实施例使得反应器能够快速点灯,同时限制反向水煤气变换反应。