发明名称 |
Process for the regeneration of catalysts for the gas-phase reduction of aromatic nitro compounds |
摘要 |
Catalysts for the gas-phase reduction of aromatic nitro compounds to aromatic amines are regenerated by treatment of the catalyst, at elevated temperature, with a gas mixture which contains oxygen, inorganic and/or organic amines and/or nitrogen oxides and, where appropiate, steam.
|
申请公布号 |
US4714689(A) |
申请公布日期 |
1987.12.22 |
申请号 |
US19860894581 |
申请日期 |
1986.08.07 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
STAMMANN, GUENTER;KRICSFALUSSY, ZOLTAN;WALDMANN, HELMUT;SCHNEIDER, JOACHIM;MEDEM, HARALD |
分类号 |
B01J23/90;B01J23/96;B01J38/12;C07C67/00;C07C209/00;C07C209/36;C07C211/46;(IPC1-7):B01J23/96;B01J23/94;B01J38/16 |
主分类号 |
B01J23/90 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|