公开(公告)号：MY142796A

公开(公告)日：2010-12-31

申请号：MYPI20061919

申请日：2006-04-26

Applicant: BASF AG

Inventor： HAUK ALEXANDER DR ,  GROPP STEFAN ,  LENZ ROBERT ,  RIECK DANIELA ,  HEILEK JOERG ,  LAUX GERHARD

IPC: C07C53/00

Abstract: 34 ABSTRACR PRORYJCRIONI OF SODIUM DIFOFMTE THE PRESENT INVENTION RELATES TO A PROCESS FOR PRODUCING A SOLID SODIUM DIFORMALE PREPARATION HAVING A FORMIC ACID CONTENT OF M LEAST 35BY WEIGHT, BASED ON THE TOTAL WEIGHT OF THE SODIUM DIFORMATE PREPARATION, IN WHICH, AT ELEVATED TEMPERATURE FROM SODIUM FORMATE AND AT LEAST 74TRENGTH BY WEIGHT FORMIC ACID, AN AQUEOUS SOLUTION IS 5 PRODUCED WHICH HAS A MOLAR RATIO OF HCOOH:HCOONA OF GREATER THAN 1.5:1 AND A MOLAR RATIO OF HCOOH:H20 OF AT LEAST 1.11. THE AQUEOUS SOLUTION IS BROUGHT TO CRYSTALLIZATION, AND THE SOLID PHASE IS SEPARATED OFF FROM THE MOTHER LIQUOR, (I) A SIALOQUANTITY (A) OF THE MOTHER LIQUOR BEING USED IN THE PRODUCTION OF THE AQUEOUS 10 SOLUTION AND (II) A SLJBQUANTITY (B) OF THE MOTHER LIQUOR BEING ADMIXED WITH A SODIUM-CONTAINING BASE AND THE RESULTANT MIXTURE COMPRISING SODIUM FORMATE, IF APPROPRIATE AFTER EJECTING A PART OF SAME, AND IF APPROPRIATE AFTER CONCENTRATING SAME, LIKEWISE BEING 15 USED IN THE PRODUCTION OF THE AQUEOUS SOLUTION; AND THE SUBQUANTITIES (A) AND (B) OF THE MOTHER LIQUOR TOTALING 1 00BY WEIGHT. @ 00@ IQ

公开(公告)号：MY142297A

公开(公告)日：2010-11-15

申请号：MYPI20053952

申请日：2005-08-23

Applicant: BASF AG

Inventor： KARL J XD RN DR ,  HAUK ALEXANDER DR

IPC: C07C53/00

Abstract: THE PRESENT INVENTION RELATES TO A PROCESS FOR PREPARING FORMIC ACID BY THERMALLY DECOMPOSING AMMONIUM FORMATES OF TERTIARY AMINES A, WHEREIN THE TERTIARY AMINE A ON WHICH THE AMMONIUM FORMATE IS BASED HAS A BOILINC POINT AT ATMOSPHERIC PRESSURE IN THE RANGE FROM 105 TO 175°C.

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)