发明名称 |
METHOD OF WORKING UP A REACTION MIXTURE BY MEANS OF A COLUMN PLACED ON THE REACTION VESSEL |
摘要 |
The invention concerns the working up of reaction mixtures containing undesirable high-boiling by products, low-boiling educts and the product sought, the boiling point of the product sought lying between the boiling points of the high- and low-boiling compounds. On completion of the reaction, the reaction mixture is distilled in a first column (3) placed on the reaction vessel (1). In this column, a mixture of the low-boiling compounds and the product sought is continuously separated out of the reaction mixture. The high-boiling compounds remain in the reaction vessel (1). That part of the mixture which distils over is redistilled in a second column (8) which is physically separate from the reaction vessel (1) and the first column (3). This economic method produces a high-purity product, makes washing of the raw product, with the resulting problems associated with disposal of the washings, unnecessary and reduces the working-up time. |
申请公布号 |
EP0735911(A1) |
申请公布日期 |
1996.10.09 |
申请号 |
EP19950903805 |
申请日期 |
1994.12.15 |
申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
BAEHR, MARTIN;KOERNER, HERMANN;JEROMIN, LUTZ;SPEITKAMP, LUDWIG;ALLMENDINGER, ROLF;JOHANNISBAUER, WILHELM |
分类号 |
B01D3/00;B01D3/14;B01J14/00;B01J19/00;B01J19/18;C07B63/00;C07C67/54;C07C69/88 |
主分类号 |
B01D3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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