公开(公告)号：CZ294316B6

公开(公告)日：2004-11-10

申请号：CZ20003237

申请日：1999-02-23

Applicant: BASF AG

Inventor： VOIT GUIDO ,  FISCHER ROLF ,  BASSLER PETER ,  ANSMANN ANDREAS ,  LUYKEN HERMANN ,  MERGER MARTIN ,  OHLBACH FRANK ,  REHFINGER ALWIN

IPC: B01J23/78 ,  B01J23/889 ,  C07B61/00 ,  C07C209/48 ,  C07C211/12 ,  C07C253/30 ,  C07C255/24

Abstract: In the present invention, there is disclosed a hydrogenation process of alpha-, omega-dinitriles in the presence of a catalyst, said process being characterized in that as a catalyst, there is used a mixture containing the following components: (a) iron or iron-based compound or mixtures thereof, (b) 0.001 to 0.3 percent by weight of a promoter based on 2, 3, 4 or 5 elements being selected from the group consisting of aluminum, silicon, zirconium, titanium and vanadium,(c) from 0 to 0.3 percent by weight based on the component (a) weight of a compound based on an alkali and/or alkaline earth metal, and also (d) from 0.001 to 1 percent by weight based on the component (a) weight of manganese. The above-specified mixture for the catalysis is obtained by reduction and optional passivation of magnetite, or by precipitation of substances that provide on carrier materials or without their presence the above components (a), (b), (d) and optionally (c), or by impregnating a carrier with a solution of the components (a), (b), (d) and optionally (c), or spraying the components (a), (b), (d) and optionally (c) to a carrier.

公开(公告)号：MY118008A

公开(公告)日：2004-08-30

申请号：MYPI9704168

申请日：1997-09-09

Applicant: BASF AG

Inventor： REHFINGER ALWIN ,  VOIT GUIDO ,  RUST HARALD ,  LUYKEN HERMANN ,  MERGER MARTIN ,  BABLER PETER ,  FISCHER ROLF

IPC: C07C209/86 ,  C07C211/12 ,  C07C211/36

Abstract: A PROCESS FOR SEPARATING 2-AMINOMETHYLCYCLOPENTYLAMINE FROM A MIXTURE CONSISTING OF HEXAMETHYLENEDIAMINE AND 2-AMINOMETHYLCYCLOPENTYLAMINE BY DISTILLING THE MIXTURE AT A PRESSURE FROM 1 TO 300 X 102 PA(L TO 300 MBAR).

公开(公告)号：AT270264T

公开(公告)日：2004-07-15

申请号：AT01126430

申请日：2001-11-08

Applicant: BASF AG

Inventor： ANSMANN ANDREAS ,  BENISCH CHRISTOPH ,  FUNKE FRANK ,  OHLBACH FRANK ,  MERGER MARTIN

IPC: C07D295/12 ,  C07B43/04 ,  C07B61/00 ,  C07C209/48 ,  C07C211/14 ,  C07C213/02 ,  C07C217/08 ,  C07C249/02 ,  C07C251/20

Abstract: In a process for the continuous hydrogenation of nitrites to primary amines in the liquid phase over a suspended, activated Raney catalyst based on an alloy of aluminum and at least one transition metal selected from the group consisting of iron, cobalt and nickel, and, if desired, one or more further transition metals selected from the group consisting of titanium, zirconium, chromium and manganese, the hydrogenation is carried out in the absence of ammonia and basic alkali metal compounds or alkaline earth metal compounds.

公开(公告)号：DE59909485D1

公开(公告)日：2004-06-17

申请号：DE59909485

申请日：1999-08-17

Applicant: BASF AG

Inventor： FISCHER ROLF ,  BASSLER PETER ,  LUYKEN HERMANN ,  OHLBACH FRANK ,  MELDER JOHANN-PETER ,  MERGER MARTIN ,  ANSMANN ANDREAS ,  REHFINGER ALWIN ,  VOIT GUIDO

IPC: C07B61/00 ,  C07C209/48 ,  C07C209/86 ,  C07C211/12

Abstract: A process for catalytic hydrogenation of adiponitrile to hexamethylenediamine at elevated temperature and elevated pressure in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent comprisesa) hydrogenating adiponitrile at from 70 to 220° C. and from 100 to 400 bar in the presence of catalysts based on elemental iron as catalytically active component and ammonia as solvent to obtain a mixture comprising adiponitrile,6-aminocapronitrile, hexamethylenediamine and high boilers until the sum total of the 6-aminocapronitrile concentration and the adiponitrile concentration is within the range from 1 to 50% by weight, based on the ammonia-free hydrogenation mixture,b) removing ammonia from the hydrogenation effluent,c) removing hexamethylenediamine from the remaining mixture,d) separating 6-aminocapronitrile and adiponitrile from high boilers individually or together, ande) returning 6-aminocapronitrile, adiponitrile or mixtures thereof into step a).

公开(公告)号：AT267044T

公开(公告)日：2004-06-15

申请号：AT00966020

申请日：2000-09-15

Applicant: BASF AG

Inventor： OHLBACH FRANK ,  FISCHER ROLF ,  LUYKEN HERMANN ,  MELDER JOHANN-PETER ,  MERGER MARTIN ,  ANSMANN ANDREAS ,  BASSLER PETER

IPC: B01J23/745 ,  B01J37/18 ,  C07B61/00 ,  C07C209/48 ,  C07C211/12 ,  C07C231/06 ,  C07C237/06

Abstract: Passivated iron useful as catalytically active component after activation is activated by hydrogen at elevated temperature and elevated pressure in the presence of a nitrile.

公开(公告)号：AU2003246393A1

公开(公告)日：2004-02-02

申请号：AU2003246393

申请日：2003-07-07

Applicant: BASF AG

Inventor： KAIBEL GERD ,  MERGER MARTIN ,  DOMSCHKE THOMAS ,  DECKERT PETRA ,  SAUER FRIEDRICH

IPC: C07D307/62

Abstract: The invention relates to a method for the separation of ascorbic acid from a mixture containing ascorbic acid and 2-keto-L-gulonic acid in a polar, preferably aqueous solvent, by means of liquid/liquid extraction using an amide. The method preferably also comprises steps for the back-extraction of the ascorbic acid, recycling of the extraction solvent and/or the back extraction solvent and for isolation of the ascorbic acid from the back extraction solvent. The invention further relates to a method for the production of ascorbic acid from KGA and isolation of the ascorbic acid so produced.

公开(公告)号：DE59907216D1

公开(公告)日：2003-11-06

申请号：DE59907216

申请日：1999-07-02

Applicant: BASF AG

Inventor： LUYKEN HERMANN ,  OHLBACH FRANK ,  ANSMANN ANDREAS ,  BASSLER PETER ,  FISCHER ROLF ,  MELDER JOHANN-PETER ,  MERGER MARTIN ,  REHFINGER ALWIN ,  VOIT GUIDO ,  ACHHAMMER GUENTHER

IPC: C07B61/00 ,  C07C209/48 ,  C07C209/84 ,  C07C209/86 ,  C07C211/12 ,  C07C253/30 ,  C07C253/34 ,  C07C255/24

Abstract: The invention relates to a method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine from adipodinitrile, comprising the following steps: a) hydrogenating adipodinitrile in the presence of a catalyst containing an element of the VIII subgroup thereby obtaining a mixture containing 6-aminocapronitrile, hexamethylenediamine, adipodinitrile and high boilers; b) distillative separation of hexamethylenediamine from the mixture containing 6-aminocapronitrile, hexamethylenediamine, adipodinitrile and high boilers or c1) distillative separating 6-aminocapronitrile and subsequently d1) distillative separation of adipodinitrile or c2) simultaneous distillative separation of 6-aminocapronitrile and adipodinitrile into separate fractions. The invention is characterized in that temperatures in the bottoms of the column in steps d1) or c2) are under 185 DEG C. The adipodinitrile thus obtained contains less impurities than for instance 1-amino-2-cyanocyclopentenes.

公开(公告)号：DE59903972D1

公开(公告)日：2003-02-13

申请号：DE59903972

申请日：1999-02-23

Applicant: BASF AG

Inventor： VOIT GUIDO ,  OHLBACH FRANK ,  LUYKEN HERMANN ,  MERGER MARTIN ,  REHFINGER ALWIN ,  FISCHER HARTMUTH ,  BASSLER PETER ,  ANSMANN ANDREAS

IPC: B01J23/02 ,  B01J23/78 ,  C07B61/00 ,  C07C209/00 ,  C07C209/48 ,  C07C211/09 ,  C07C211/12 ,  C07C253/30 ,  C07C255/24

Abstract: A process for hydrogenation of aliphatic alpha, omega-dinitriles in the presence of a heterogeneous fixed bed catalyst comprises using a reaction mixture comprising from 2 mumol to 30 mmol NA, K, Rb, Cs, Mg, Ca, Sr, Ba or Mn or mixtures thereof in the form of a basic salt, based on 10 mol of aliphatic alpha, omega-dinitrile used.

公开(公告)号：AT229938T

公开(公告)日：2003-01-15

申请号：AT99944635

申请日：1999-09-10

Applicant: BASF AG

Inventor： MERGER MARTIN ,  FISCHER ROLF ,  ANSMANN ANDREAS

IPC: C07D223/10 ,  C07D201/02 ,  C07D201/08 ,  C07D223/04 ,  C07D295/02 ,  C07D295/023

公开(公告)号：ES2175789T3

公开(公告)日：2002-11-16

申请号：ES98947530

申请日：1998-09-08

Applicant: BASF AG

Inventor： VOIT GUIDO ,  ANSMANN ANDREAS ,  FISCHER ROLF HARTMUTH ,  BASSLER PETER ,  LUYKEN HERMANN ,  MERGER MARTIN

IPC: B01J23/745 ,  C07B61/00 ,  C07C253/30 ,  B01J23/78 ,  C07C255/24 ,  C07C255/26

Abstract: The invention relates to a method for producing aliphatic alpha-omega amino nitriles in the presence of a catalyst composed of (a) iron or an iron based compound or a mixture thereof (b) 0.01 to 5 wt. %, in relation to (a), a promoter based on 2, 3, 4, or 5 elements selected from the group comprising aluminum, silicon, zirconium, titanium, and vanadium, and (C) to 0.5 wt. % in relation to (a) a compound based on an alkaline metal or alkaline-earth metal. The inventive method is characterized in that the aliphatic alpha-omega dinitrile contains 1.0 ppm or more phosphorus. Catalysts are obtainable through the reductive and optional successive passivation of magnetite, whereby the catalysts have a BET surface of 3 to 10 m2/g, a total pore volume of 0.05 to 0.2 ml/g, an average pore diameter of 0.03 to 0.1 mm and a pore volume portion in the range of 0.01 to 0.1 mm of 50 to 70%.