发明名称 |
Preparation of acetic acid |
摘要 |
A method for removing aldehyde impurities from acetic acid is disclosed. The method comprises extracting the aldehyde impurities from a methyl iodide solution such as the decanter heavy phase with a polyol. After the aldehyde impurities are removed, the methyl iodide heavy phase can be recycled to the carbonylation.
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申请公布号 |
US7345197(B1) |
申请公布日期 |
2008.03.18 |
申请号 |
US20070810167 |
申请日期 |
2007.06.05 |
申请人 |
LYONDELL CHEMICAL TECHNOLOGY, L.P. |
发明人 |
HALLINAN NOEL C.;SALISBURY BRIAN A. |
分类号 |
C07C51/12;C07C45/78;C07C51/14;C07C51/42;C07C53/10 |
主分类号 |
C07C51/12 |
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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