VERFAHREN ZUR OXIDATION VON AMMONIAK UND DAFÜR GEEIGNETE ANLAGE
    1.
    发明公开
    VERFAHREN ZUR OXIDATION VON AMMONIAK UND DAFÜR GEEIGNETE ANLAGE 有权
    VERFAHREN ZUR OXIDATION VON AMMONIAK UNDDAFÜRGEEIGNETE ANLAGE

    公开(公告)号:EP2969937A1

    公开(公告)日:2016-01-20

    申请号:EP14710194.3

    申请日:2014-03-13

    IPC分类号: C01B21/26 B01J23/00 C01B21/38

    摘要: The invention relates to a method for oxidising ammonia with oxygen in the presence of catalysts containing at least one transition metal oxide that is not an oxide of a platinum metal. The ratio of the molar quantities of oxygen and ammonia at the entry of the reactant gas mixture into the catalyst bed is set to values of less than or equal to 1.75 mol O
    2 /mol NH
    3 . The invention further relates to a system for oxidising ammonia, containing the following elements: A) a reactor (3) for ammonia oxidation equipped with at least one feed line for a reactant gas mixture and with at least one discharge line for a process gas, B) a catalyst (3c) in the interior of the reactor (3) that contains at least one transition metal oxide that is not an oxide of a platinum metal, C) a device for setting a molar ratio of oxygen to ammonia less than or equal to 1.75 mol/mol in the reactant gas mixture by mixing an oxygen-containing gas flow having an O
    2 content

    摘要翻译: 描述了一种适合于在催化剂存在下用氧气氧化氨的体系。 该系统包括装备有用于反应气体混合物的至少一个供应管线和用于处理气体的至少一个排放管线的反应器; 包含至少一种不是铂金属的氧化物的过渡金属氧化物的催化剂; 以及通过将O 2含量<20体积%的含氧气体流与选定量的气体混合物来调节反应气体混合物中氧与氨的摩尔比小于或等于1.75mol / mol的装置 氨。 含氧气流由以下装置制备:用包含小于20体积%氧气的气流稀释空气流; 或从含氧气体混合物中,优选从空气中消耗氧气; 或通过其组合。