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公开(公告)号：DE59609045D1
公开(公告)日：2002-05-16
申请号：DE59609045
申请日：1996-09-26
Applicant: BASF AG
Inventor： HAMMON DR , SCHLIEPHAKE DR , PIES DR , RAUH ULRICH
Abstract: A process for the rectification and sepn. of unsatd. carboxylic acids (I) from the solvents in which (I) are absorbed after the synthesis reaction. The process involves interrupting the rectification and flushing out the rectification column with basic soln.
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