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公开(公告)号:US4567294A
公开(公告)日:1986-01-28
申请号:US684063
申请日:1984-12-20
IPC分类号: C01B21/12 , C01C1/00 , C07C125/02
摘要: In the preparation of ammonium carbamate by reacting ammonia with carbon dioxide, the reactants are introduced into a layer of ammonium carbamate which is kept in the fluidized state by gaseous ammonia or carbon dioxide. The temperature is kept below 25.degree. C. by removing the heat of reaction.
摘要翻译: 在通过氨与二氧化碳反应制备氨基甲酸铵时,将反应物引入氨基甲酸铵层中,氨基甲酸铵通过气态氨或二氧化碳保持在流化状态。 通过除去反应热量将温度保持在25℃以下。