发明名称 |
VERFAHREN ZUR HERSTELLUNG VON HYDRAZINHYDRAT |
摘要 |
Hydrazine hydrate is prepared by charging an aqueous or ketone solution of ketazine or hydrazone into a ketone recovering means, supplying the resultant solution to at least two hydrolysis reactors one after another, supplying the resultant hydrolyzed solution to an upper portion of a means for recovering hydrazine hydrate, and thereafter recovering hydrazine hydrate as an end product. |
申请公布号 |
DE2536918(A1) |
申请公布日期 |
1977.02.24 |
申请号 |
DE19752536918 |
申请日期 |
1975.08.19 |
申请人 |
OTSUKA KAGAKU YAKUHIN K.K. |
发明人 |
YAMAGUCHI,HIDEO;KUME,HIDETOSHI;NARUTO,TOKUSHIMA;SHIBUTA,OSAMU |
分类号 |
C01B21/16;C07C49/04;(IPC1-7):C01B21/16 |
主分类号 |
C01B21/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|