发明名称 |
VERFAHREN ZUR KONTINUIERLICHEN REINDESTILLATION DES BEI DER PROPYLENOXIDSYNTHESE VERWENDETEN LÖSUNGSMITTELS METHANOL |
摘要 |
Process for the continuously operated purification by distillation of the methanol used as solvent in the synthesis of propylene oxide by reaction of a hydroperoxide with propylene, with the methoxypropanols being separated off simultaneously, wherein the solvent mixture obtained in the synthesis is separated in a dividing wall column into a low-boiling fraction including methanol, an intermediate-boiling fraction containing the methoxypropanols as azeotrope with water and a high-boiling fraction including water and propylene glycol. |
申请公布号 |
DE50302623(D1) |
申请公布日期 |
2006.05.04 |
申请号 |
DE2003502623 |
申请日期 |
2003.07.22 |
申请人 |
BASF AG |
发明人 |
BASSLER, PETER;GOEBBEL, HANS-GEORG;TELES, HENRIQUE;RUDOLF, PETER |
分类号 |
C07D301/12;B01D3/14;B01D3/42 |
主分类号 |
C07D301/12 |
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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