公开(公告)号：MY136031A

公开(公告)日：2008-07-31

申请号：MYPI20044509

申请日：2004-11-01

Applicant: BASF AG

Inventor： HAUK ALEXANDER DR ,  KARL JORN DR ,  PASCHOLD JURGEN ,  GROPP STEFAN ,  LOHMANN ANNA VALESKA ,  LENZ ROBERT ,  LETZELTER THOMAS ,  HEINZ ROBERT

IPC: C07C51/09 ,  C07C51/41 ,  C07C53/02 ,  C07C53/06

Abstract: A PROCESS IS PROPOSED FOR PREPARING ACID FORMATES IN WHICH - A LIQUID STREAM I COMPRISING FORMIC ACID AND - A LIQUID STREAM II COMPRISING A METAL FORMATE ARE PREPARED, THE LIQUID STREAMS I AND II ARE FED TO A RECTIFICATION COLUMN IN SUCH A MANNER THAT A HIGHER OR IDENTICAL FEED POINT TO THE RECTIFICATION COLUMN IS CHOSEN FOR THE LIQUID STREAM II THAN FOR THE LIQUID STREAM I,THE LIQUID STREAMS I AND II ARE MIXED IN THE RECTIFICATION COLUMN, WITH WATER BEING REMOVED OVERHEAD FROM THE RECTIFICATION COLUMN AND A BOTTOMS STREAM COMPRISING THE ACID FORMATE IS TAKEN OFF FROM THE RECTIFICATION COLUMN,WHICH COMPRISES THE BOTTOMS STREAM BEING PRODUCED AS MELT COMPRISING LESS THAN 0.5% BY WEIGHT OF WATER.(FIG 1)