专利名称：Melamine quality by reactivation of the
melamine synthesis catalyst
发明人：Dieter Fromm,Ernst-Juergen Schier,Hans H.
Schneehage,Wolfgang Vodrazka
申请号：US06/420484申请日：19820920公开号：US04387224A公开日：19830607
摘要：In the synthesis of melamine by conversion of urea in a fluidized catalyst bed,the melamine quality is improved by reactivating the catalyst by treating it, in the
fluidized bed, with gases containing steam, in the absence of oxygen, at from 250° to 450°C.
申请人：BASF AKTIENGESELLSCHAFT
代理机构：Keil & Witherspoon
更多信息请下载全文后查看
因篇幅问题不能全部显示，请点此查看更多更全内容