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    Method for manufacture of silver catalyst for production of ethylene oxide
    1.
    发明授权
    Method for manufacture of silver catalyst for production of ethylene oxide 失效
    制造用于生产环氧乙烷的银催化剂的方法

    公开(公告)号：US4389338A

    公开(公告)日：1983-06-21

    申请号：US331576

    申请日：1981-12-17

    申请人： Masashi Mitsuhata ,  Shin-ichi Nagase ,  Takahiko Nakai ,  Toshihiko Kumazawa

    发明人： Masashi Mitsuhata ,  Shin-ichi Nagase ,  Takahiko Nakai ,  Toshihiko Kumazawa

    IPC分类号： B01J23/62 ,  B01J23/66 ,  B01J37/08 ,  C07B61/00 ,  C07D301/10 ,  C07D303/04 ,  B01J23/04 ,  B01J23/08 ,  B01J23/50

    CPC分类号： B01J23/66 ,  C07D301/10 ,  Y02P20/52

    摘要： In a method for the manufacture of a silver catalyst having silver deposited on a porous inorganic carrier in conjunction with at least one reaction accelerator selected from the group consisting of alkali metals and thallium to be used for the production of ethylene oxide, the improvement comprising the steps of depositing silver on the porous inorganic carrier in conjunction with at least one reaction accelerator selected from the group consisting of alkali metals and thallium thereby preparing an activated silver catalyst and subsequently subjecting said silver catalyst to a high-temperature treatment at a temperature in the range of 550.degree. to 950.degree. C. in an inert gaseous atmosphere having an oxygen concentration of not more than 3 volume percent in the final step.

    摘要翻译： 在制备具有沉积在多孔无机载体上的银的银催化剂的方法中，与至少一种选自用于生产环氧乙烷的碱金属和铊的反应促进剂相结合，其改进包括 连同至少一种选自碱金属和铊的反应促进剂结合在多孔无机载体上沉积银的步骤，由此制备活化的银催化剂，随后在所述银催化剂的温度下对所述银催化剂进行高温处理 在最终步骤中在氧浓度不大于3体积％的惰性气体气氛中，在550℃至950℃的范围内。