| 发明名称 |
POST-TREATMENT METHOD FOR WASTE WATER CONTAINING AROMATIC NITRO COMPOUND |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple and economical post-treatment method for alkaline waste water yielded through cleaning crude nitrobenzene manufactured via the adiabatic nitration of benzene. SOLUTION: In this method, benzene and/or nitrobenzene is separated from the alkaline waste water and then the waste water is heated up to 150 to 500°C under pressure without the presence of oxygen. COPYRIGHT: (C)2006,JPO&NCIPI
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| 申请公布号 |
JP2005296949(A) |
申请公布日期 |
2005.10.27 |
| 申请号 |
JP20050114012 |
申请日期 |
2005.04.11 |
| 申请人 |
BAYER MATERIALSCIENCE AG |
发明人 |
KNAUF THOMAS;VON GEHLEN FRANZ-ULRICH;DOHMEN WOLFGANG;SCHMIEDLER JOERG |
| 分类号 |
C02F1/00;C02F1/02;C02F1/04;C02F1/20;C02F1/40;C02F1/66;C02F9/00;C07C201/16;(IPC1-7):C02F1/02 |
主分类号 |
C02F1/00 |
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