发明名称 |
Rectifying separation of a liquid II containing acrylic acid and/or methacrylic acid and acrolein and/or methacrolein and acetone, comprises providing the liquid II containing acetone to a rectification column |
摘要 |
<p>Rectifying separation of a liquid II containing at least 10 wt.% of acrylic acid and/or methacrylic acid and not more than 5 wt.% of acrolein and/or methacrolein and acetone (where the difference in weight ratio of acrolein to acetone is 3.5, that is produced without adding another acrylic acid and/or methacrylic acid as a pure substance containing fluid I (acrolein or methacrolein)) comprises providing the liquid II containing 10 wt.% of acetone, based on total quantity of liquid II containing acrolein and methacrolein, to a rectification column.</p> |
申请公布号 |
DE102005019911(A1) |
申请公布日期 |
2006.11.02 |
申请号 |
DE20051019911 |
申请日期 |
2005.04.27 |
申请人 |
BASF AG |
发明人 |
LIPOWSKY, GUNTER;MUELLER-ENGEL, KLAUS JOACHIM |
分类号 |
C07C57/07;C07C57/075;C08F20/06 |
主分类号 |
C07C57/07 |
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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