| 发明名称 |
Process for extracting nitrohydroxyaromatics from aqueous solutions |
| 摘要 |
The invention relates to a process for extracting nitrohydroxyaromatics from aqueous solutions. In this process, the extracting agent used is an amine salt which comprises an aliphatic amine having a total carbon number of 10 to 75 and a strong acid. The amine salt can be employed undiluted or diluted with an organic solvent.
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| 申请公布号 |
US4814518(A) |
申请公布日期 |
1989.03.21 |
| 申请号 |
US19870084483 |
申请日期 |
1987.08.12 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
GOESSEL, HELMUT;KUCKERTZ, HERBERT;RITTNER, SIEGBERT;ROSENFELDER, JOSEF;WOJTECH, BERNHARD |
| 分类号 |
B01D11/04;C02F1/26;C02F1/58;C07C67/00;C07C201/00;C07C201/16;C07C205/22;(IPC1-7):C07C79/22;C07C37/68 |
主分类号 |
B01D11/04 |
| 代理机构 |
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代理人 |
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