| 发明名称 |
CYANIDE REDUCTION IN NITROAROMATIC PROCESS |
| 摘要 |
<p>The invention relates to a method of eliminating or substantially reducing the amount of cyanide formed in a polynitroaromatic, e.g. dinitrotoluene process. The invention comprises removing the nitrophenolic material from the mononitroaromatic formed in a first stage nitration of toluene prior to feeding the mononitroaromatic to the subsequent nitration zones.</p> |
| 申请公布号 |
EP0040429(B1) |
申请公布日期 |
1984.04.18 |
| 申请号 |
EP19810103842 |
申请日期 |
1981.05.19 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
HERMAN, FREDERICK LOUIS;SAWICKI, JOHN EDWARD |
| 分类号 |
C07C67/00;C07C201/00;C07C201/08;C07C201/16;C07C205/06;C07C205/21;(IPC1-7):07C79/10;07C76/02 |
主分类号 |
C07C67/00 |
| 代理机构 |
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代理人 |
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