发明公开
EP1300384A2 Process for recovering acrolein or propionaldehyde from dilute aqueous streams
有权
一种回收的丙烯醛或丙醛的方法，从稀的水性流
- 专利标题： Process for recovering acrolein or propionaldehyde from dilute aqueous streams
- 专利标题（中）： 一种回收的丙烯醛或丙醛的方法，从稀的水性流
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申请号： EP02292393.2申请日： 2002-09-27
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公开(公告)号： EP1300384A2公开(公告)日： 2003-04-09
- 发明人: Schon, Steven G. , Daniel, Samuel M. , Sander, Richard A.
- 申请人： Atofina Chemicals, Inc.
- 申请人地址： 2000 Market Street Philadelphia, PA 19103-3222 US
- 专利权人： Atofina Chemicals, Inc.
- 当前专利权人： Atofina Chemicals, Inc.
- 当前专利权人地址： 2000 Market Street Philadelphia, PA 19103-3222 US
- 代理机构： Granet, Pierre
- 优先权： US177710 20020621; US326901P 20011003
- 主分类号： C07C45/82
- IPC分类号： C07C45/82 ; C07C47/22 ; C07C47/02
摘要：
A method of purifying acrolein or propionaldehyde with a single column distillation system is provided, where the distillation system has a side-draw take-off outlet for recovering purified acrolein or propionaldehyde located between the crude product feed point and the light-boiling impurities distillation site.
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