发明名称 |
Separation of phenol |
摘要 |
<p>An admixture comprising phenol, alpha-methylstyrene and water is separated in a fractionation zone to produce an alpha-methylstyrene stream containing a minimum of phenol by controlling the pH of the overhead aqueous phase with a base to a value greater than 6 and refluxing at least a portion of the aqueous phase.</p> |
申请公布号 |
EP0786443(A1) |
申请公布日期 |
1997.07.30 |
申请号 |
EP19960300449 |
申请日期 |
1996.01.23 |
申请人 |
UOP |
发明人 |
SCHULZ, RUSSELL C.;TAGAMOLILIA, CONSTANTE P.;BULLEN, PATRICK J. |
分类号 |
C07C7/00;C07C37/74;(IPC1-7):C07C37/74 |
主分类号 |
C07C7/00 |
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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