公开(公告)号：US4192856A

公开(公告)日：1980-03-11

申请号：US932636

申请日：1978-08-10

申请人： Guenther Rapp ,  Erwin Thomas ,  Dieter Wolf ,  Kuerten, Heribert ,  Peter Zehner

发明人： Guenther Rapp ,  Erwin Thomas ,  Dieter Wolf ,  Kuerten, Heribert ,  Peter Zehner

IPC分类号： B01J10/00 ,  B01J19/24 ,  B01J19/26 ,  B01J23/00 ,  C01B21/14

CPC分类号： C01B21/1418 ,  B01J19/2465 ,  B01J19/26 ,  B01J2219/00103 ,  B01J2219/0011 ,  B01J2219/00777

摘要： Hydroxylammonium salts are manufactured by a process comprising the catalytic reduction of nitric oxide with hydrogen in a dilute aqueous solution of a mineral acid in the presence of a suspended platinum catalyst at an elevated temperature, wherein the reaction mixture is recycled and the gas mixture, containing nitric oxide and hydrogen, present in the gas space above the reaction zone, is introduced, by means of one or more downwardly directed jets of liquid, consisting of the recycled reaction mixture and issuing from a nozzle orifice, into one or more circulation zones which are present in the reaction zone, are open at both sides, extend in the direction of the entering jet of liquid and are completely covered by the reaction mixture, the reaction mixture leaving the bottom of the circulation zone and containing unconverted gases is deflected, passed upwards in the annular zone externally surrounding the circulation zone, and at the same time reaction mixture of low gas content is recycled from a separation zone located under the reaction zone.

摘要翻译： 羟基铵盐通过包括在悬浮的铂催化剂的存在下在升高的温度下在无机酸的稀的水溶液中用氢催化还原一氧化氮的方法制备，其中反应混合物被再循环，并且含有 存在于反应区上方的气体空间中的一氧化氮和氢气通过一个或多个向下定向的液体喷射引入，由再循环的反应混合物组成并从喷嘴孔排出到一个或多个循环区 存在于反应区中，在两侧开放，沿着进入的液体射流的方向延伸并被反应混合物完全覆盖，离开循环区底部并含有未转化气体的反应混合物偏转，通过 向上在循环区域外部的环形区域中，同时反应混合低气体量i 从位于反应区下方的分离区回收。