发明名称 |
Treatment of an aqueous mixture containing an alkylene oxide with an ion exchange resin |
摘要 |
A process for separating an alkylene oxide from an aqueous mixture is provided in which no detectable dioxane byproduct is formed. An aqueous mixture containing an alkylene oxide is contacted with a carboxylic acid ion exchange resin to separate the alkylene oxide from the aqueous mixture. The ion exchange capacity of the resin is regenerated with an acid wash at a temperature of at least 60° C., wherein regeneration of the resin does not result in the formation of dioxane in the spent acid wash. The process is particularly useful in purifying an aqueous 3-hydroxypropionaldehyde solution derived from an aqueous extraction of a hydroformylation reaction mixture containing ethylene oxide.
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申请公布号 |
US2006189833(A1) |
申请公布日期 |
2006.08.24 |
申请号 |
US20060344607 |
申请日期 |
2006.02.01 |
申请人 |
POWELL JOSEPH B;WEIDER PAUL R;KOMPLIN GLENN C |
发明人 |
POWELL JOSEPH B.;WEIDER PAUL R.;KOMPLIN GLENN C. |
分类号 |
C07C43/03 |
主分类号 |
C07C43/03 |
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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