公开(公告)号：MY158855A

公开(公告)日：2016-11-15

申请号：MYPI20032970

申请日：2003-08-06

Applicant: BASF AG

Inventor： DR CHRISTOPH ADAMI ,  DR JÖRN KARL ,  DR ALEXANDER HAUK ,  DR RALF BÖHLING ,  DR JÖRG PASTRE ,  ROBERT LENZ

IPC: A23K1/16 ,  C07C51/09 ,  A01N1/00 ,  A01N3/00 ,  A61K31/19 ,  A61P3/00 ,  B01D9/02 ,  C07C51/41 ,  C07C53/02 ,  C07C53/06

Abstract: A PROCESS FOR PREPARING ACID FORMATES WHICH COMPRISES (A) PARTIALLY HYDROLYZING METHYL FORMATES WITH WATER; (B) SEPARATING OFF BY DISTILLATION METHYL FORMATE AND METHANOL FROM THE REACTION MIXTURE OBTAINED IN PROCESS STAGE (A), FORMING A STREAM COMPRISING FORMIC ACID AND WATER; (C) CONVERTING THE STREAM COMPRISING METHYL FORMATE WITH OR WITHOUT METHANOL FROM THE PROCESS STAGE (B) BY (i) REACTION WITH A BASIC COMPOUND HAVING A pKa OF THE CONJUGATE ACID OF THE APPROPRIATE DISSOCIATION STAGTE OF 3, MEASURED AT 25°C IN AQUEOUS SOLUTION, IN THE PRESENCE OF WATER, AND (ii) REMOVAL OF THE METHANOL BY DISTILLATION, INTO A STREAM COMPRISING FORMATE AND WATER; AND (D) COMBINING THE STREAM COMPRISING FORMIC ACID AND WATER FROM THE PROCESS STAGE (B) AND THE STREAM COMPRISING FORMATE AND WATER FROM THE PROCESS STAGE (C), FORMING A MIXTURE COMPRISING THE ACID FORMATE AND WATER, AN APPARATUS FOR THEIR PREPARATION AND THEIR USE.