发明名称 |
PROCESS FOR REDUCING THE ALDEHYDE CONCENTRATION IN A MIXTURE COMPRISING CYCLOHEXANONE AND ONE OR MORE ALDEHYDES |
摘要 |
The invention relates to a process for reducing the aldehyde concentration in a mixture comprising cyclohexanone and one or more aldehydes, said process comprising distilling said mixture in a distillation column in the presence of an alkaline compound, wherein in the bottom of the distillation column substantially no water is present. |
申请公布号 |
EP1575892(B1) |
申请公布日期 |
2007.05.23 |
申请号 |
EP20030789650 |
申请日期 |
2003.12.22 |
申请人 |
DSM IP ASSETS B.V. |
发明人 |
BENNEKER, ARNO, HERALD;SCHOUTETEN, AUGUSTINUS PETRUS HUBERTUS;WYATT, L. W. |
分类号 |
C07C45/85;C07C45/33;C07C45/82;C07C49/403 |
主分类号 |
C07C45/85 |
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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