| 发明名称 |
METHOD FOR SEPARATING CARBOXYLIC ACID AND DIMETHYL AMIDE BY DISTILLATION AND APPARATUS THEREFOR |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for separating a carboxylic acid such as acetic acid and a dimethyl amide such as dimethylformamide by distillation. SOLUTION: A method for separating a carboxylic acid and a dimethyl amide by distilling a mixed liquid containing the carboxylic acid and the dimethyl amide in addition of quinolines to the mixed liquid and an apparatus therefor are provided.
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| 申请公布号 |
JP2002348270(A) |
申请公布日期 |
2002.12.04 |
| 申请号 |
JP20010158870 |
申请日期 |
2001.05.28 |
| 申请人 |
KANEGAFUCHI CHEM IND CO LTD;JGC CORP |
发明人 |
WACHI TAKASHI;OTA NOBUHISA;MAEDA TAKEKAZU;KIMURA TOSHIHIKO;UNNO HIROSHI;OGURO SHUICHI;YOSHIDA NOBUO |
| 分类号 |
B01D3/00;B01D3/34;C07C51/44;C07C53/08;C07C231/24;C07C233/03;(IPC1-7):C07C231/24 |
主分类号 |
B01D3/00 |
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