公开(公告)号：CA2491791C

公开(公告)日：2010-12-21

申请号：CA2491791

申请日：2003-07-04

Applicant: BASF AG

Inventor： JUNGKAMP TIM ,  SCHEIDEL JENS ,  LUYKEN HERMANN ,  BARTSCH MICHAEL ,  BAUMANN ROBERT ,  HADERLEIN GERD

IPC: C01G9/04 ,  B01D3/36 ,  C07C253/34 ,  F26B5/00 ,  F26B7/00

Abstract: The invention relates to a method for removing water from a mixture containing water and zinc chloride. The invention is characterized in that said mixture containing water and zinc chloride is mixed with an aprotic, polar diluting agent whose boiling point, in the event of non-azeotropic formation of said diluting agent with water under the pressure conditions of the distillation mentioned below, is higher than the boiling point of water and is liquid at the boiling point of water or one azeotrope or heteroazeotrope with water is formed under the pressure and temperature conditions of the distillation mentioned below, and the mixture containing water, zinc chloride and the diluting agent is distilled while removing water or said azeotrope or said heteroazeotrope from this mixture while obtaining a water-free mixture containing zinc chloride and said diluting agent.

公开(公告)号：PL383682A1

公开(公告)日：2008-04-14

申请号：PL38368204

申请日：2004-02-24

Applicant: BASF AG

Inventor： BARTSCH MICHAEL ,  BAUMANN ROBERT ,  HADERLEIN GERD ,  FLORES MIGUEL ,  JUNGKAMP TIM ,  LUYKEN HERMANN ,  SCHEIDEL JENS ,  SIEGEL WOLFGANG ,  BASSLER PETER

IPC: C07C253/10 ,  C07C253/34 ,  C07C255/04

公开(公告)号：AT368676T

公开(公告)日：2007-08-15

申请号：AT05701205

申请日：2005-01-27

Applicant: BASF AG

Inventor： SCHEIDEL JENS ,  JUNGKAMP TIM ,  BARTSCH MICHAEL ,  HADERLEIN GERD ,  BAUMANN ROBERT ,  LUYKEN HERMANN ,  DECKERT PETRA ,  PFAB PETER ,  SIEGEL WOLFGANG ,  AECHTNER TOBIAS

IPC: C07F9/00 ,  C07C253/34 ,  C07C255/04 ,  C07F9/02

Abstract: A process for extractively removing nickel(0) complexes having phosphorus ligands and/or free phosphorus ligands from a reaction effluent of a hydrocyanation of unsaturated mononitriles to dinitriles by extraction by means of a hydrocarbon, a phase separation of the hydrocarbon and of the reaction effluent into two phases being effected at a temperature T (in ° C.), wherein the content of nickel(0) complexes having phosphorus ligands and/or free phosphorus ligands in the reaction effluent of the hydrocyanation, depending on the temperature T, is at least y % by weight and, irrespective of the temperature T, is a maximum of 60% by weight, where the numerical value of the minimum content y is given by the equation y=0.5.T+20 and T is to be used in the equation as a dimensionless numerical value.

公开(公告)号：PL1610893T3

公开(公告)日：2007-07-31

申请号：PL04722843

申请日：2004-03-24

Applicant: BASF AG

Inventor： BARTSCH MICHAEL ,  BAUMANN ROBERT ,  HADERLEIN GERD ,  FLORES MIGUEL ANGEL ,  JUNGKAMP TIM ,  LUYKEN HERMANN ,  SCHEIDEL JENS ,  SIEGEL WOLFGANG ,  MOLNAR FERENC

IPC: B01J27/14 ,  B01J23/755 ,  B01J31/02 ,  B01J31/14 ,  B01J31/18 ,  C07C253/10 ,  C07C255/04

公开(公告)号：BRPI0507258A

公开(公告)日：2007-06-26

申请号：BRPI0507258

申请日：2005-01-27

Applicant: BASF AG

Inventor： SCHEIDEL JENS ,  JUNGKAMP TIM ,  BARTSCH MICHAEL ,  HADERLEIN GERD ,  BAUMANN ROBERT ,  LUYKEN HERMANN ,  DECKERT PETRA ,  PFAB PETER ,  SIEGEL WOLFGANG ,  AECHTNER TOBIAS

IPC: C07F9/00 ,  C07C253/34 ,  C07C255/04 ,  C07F9/02

Abstract: A process for extractively removing nickel(0) complexes having phosphorus ligands and/or free phosphorus ligands from a reaction effluent of a hydrocyanation of unsaturated mononitriles to dinitriles by extraction by means of a hydrocarbon, a phase separation of the hydrocarbon and of the reaction effluent into two phases being effected at a temperature T (in ° C.), wherein the content of nickel(0) complexes having phosphorus ligands and/or free phosphorus ligands in the reaction effluent of the hydrocyanation, depending on the temperature T, is at least y % by weight and, irrespective of the temperature T, is a maximum of 60% by weight, where the numerical value of the minimum content y is given by the equation y=0.5.T+20 and T is to be used in the equation as a dimensionless numerical value.

公开(公告)号：BRPI0507196A

公开(公告)日：2007-06-26

申请号：BRPI0507196

申请日：2005-01-26

Applicant: BASF AG

Inventor： JUNGKAMP TIM ,  BAUMANN ROBERT ,  BARTSCH MICHAEL ,  HADERLEIN GERD ,  LUYKEN HERMANN ,  SCHEIDEL JENS

IPC: C07C253/34 ,  C07C255/07

Abstract: A process is described for separating mixtures of isomeric pentenenitriles, in which at least one isomer is removed from the mixture, wherein the separation of the substance mixtures of isomeric pentenenitriles is effected distillatively under reduced pressure.

公开(公告)号：BRPI0415975A

公开(公告)日：2007-01-23

申请号：BRPI0415975

申请日：2004-10-28

Applicant: BASF AG

Inventor： HADERLEIN GERD ,  BAUMANN ROBERT ,  BARTSCH MICHAEL ,  JUNGKAMP TIM ,  LUYKEN HERMANN ,  SCHEIDEL JENS ,  SIEGEL WOLFGANG

IPC: B01J31/18 ,  B01J31/24 ,  C07C253/10 ,  C07C255/04 ,  C07F15/04 ,  B01J37/16 ,  B01J31/30

Abstract: The present invention provides a process for preparing nickel(0)-phosphorus ligand complexes starting from nickel(II)-ether adducts.

公开(公告)号：BRPI0409316A

公开(公告)日：2006-04-25

申请号：BRPI0409316

申请日：2004-04-15

Applicant: BASF AG

Inventor： BARTSCH MICHAEL ,  BAUMANN ROBERT ,  HADERLEIN GERD ,  FLORES MIGUEL ANGEL ,  JUNGKAMP TIM ,  LUYKEN HERMANN ,  SCHEIDEL JENS ,  SIEGEL WOLFGANG ,  KUNSMANN-KEITEL DAGMAR PASCALE ,  BASSLER PETER

IPC: C01C3/02 ,  C01C3/04 ,  C07C253/00

Abstract: A process for dewatering hydrocyanic acid by distillation, which includes distilling crude hydrocyanic acid containing from 50 to 99.9% by weight of HCN, from 0.1 to 40% by weight of water, from 0 to 15% by weight of carbon oxides and optionally from 0.01 to 1% by weight of an involatile stabilizer, at a pressure of from 1 bar to 2.5 bar, a bottom temperature of from 100° C. to 130° C. and a top temperature of from 25° C. to 54° C., in the absence of a volatile stabilizer, in a distillation column to obtain a top draw stream containing purified, anhydrous hydrocyanic acid and carbon oxides and a bottom draw stream including water and, optionally, the involatile stabilizer.

公开(公告)号：AR047477A1

公开(公告)日：2006-01-18

申请号：ARP050100310

申请日：2005-01-28

Applicant: BASF AG

Inventor： JUNG DIETER ,  POLKA H ,  BAUMANN ROBERT ,  BARTSCH MICHAEL ,  HADERLEIN GERD ,  LUYKEN HERMANN ,  SCHEIDEL JENS

IPC: C07C253/34 ,  C07C255/04 ,  C07C255/07

Abstract: Reivindicacion 1: Procedimiento para reducir el contenido de ácido cianhídrico en mezclas que contienen pentenonitrilos y ácido cianhídrico, caracterizado porque la reduccion del contenido de ácido cianhídrico se realiza mediante separacion de ácido cianhídrico por medio de una destilacion azeotropica con 1,3-butadieno. Reivindicacion 2: Procedimiento segun la reivindicacion 1, que está caracterizado por las siguientes etapas de procedimiento: a) hidrocianuracion de 1-3-butadieno por transformacion de éste con ácido cianhídrico en presencia de por lo menos un catalizador de hidrocianuracion, obteniéndose una corriente de hidrocianuracion, que contiene 3-pentenonitrilo, 2-metil-3-butenonitrilo, ácido cianhídrico, 1,3-butadiendo y el por lo menos un catalizador de hidrocianuracion, b) separacion de una mezcla de ácido cianhídrico y 1,3-butadieno, que forma un azeotropo, a partir de la corriente de hidrocianuracion por destilacion.

公开(公告)号：DE102004004672A1

公开(公告)日：2005-08-18

申请号：DE102004004672

申请日：2004-01-29

Applicant: BASF AG

Inventor： JUNGKAMP TIM ,  BAUMANN ROBERT ,  SCHROEDER THORSTEN ,  BARTSCH MICHAEL ,  HADERLEIN GERD ,  LUYKEN HERMANN ,  SCHEIDEL JENS

IPC: C07C253/10 ,  C07C255/07

Abstract: A process is described for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene in the presence of at least one catalyst, wherein unhydrocyanated 1,3-butadiene is removed from the effluent of the hydrocyanation and recycled into the process, and the recycled 1,3-butadiene is monitored for the content of hydrogen cyanide.