发明名称 |
PROCESS FOR THE PRODUCTION OF ACETIC ACID |
摘要 |
A process for the reduction and/or removal of permanganate reducing compounds formed by the carbonylation of methanol in the presence of a Group VIII metal carbonylation catalyst to produce acetic acid is disclosed. More specifically, a process for reducing and/or removing permanganate reducing compounds or their precursors from intermediate streams during the formation of acetic acid by said carbonylation processes is disclosed. In particular, a process in which a low boiling overhead vapor stream from a light ends column is subjected to a single distillation to obtain an overhead that is subjected to an extraction to selectively remove and/or reduce PRCs from the process is disclosed.
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申请公布号 |
KR20080007389(A) |
申请公布日期 |
2008.01.18 |
申请号 |
KR20077027623 |
申请日期 |
2006.04.06 |
申请人 |
CELANESE INTERNATIONAL CORPORATION |
发明人 |
ZINOBILE RAYMOND J.;SCATES MARK O.;MAKELKI JONATHAN A.;SALADO MANUEL |
分类号 |
C07C51/44;C07C51/12;C07C51/48;C07C53/08 |
主分类号 |
C07C51/44 |
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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