-
公开(公告)号:DE10316466A1
公开(公告)日:2004-10-28
申请号:DE10316466
申请日:2003-04-09
Applicant: BASF AG
Inventor: HECKMANN MANFRED , HOELEMANN KARL , LOENING JAN-MARTIN , HEITZ THOMAS
Abstract: Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
-
公开(公告)号:BRPI0511648A
公开(公告)日:2008-01-02
申请号:BRPI0511648
申请日:2005-05-31
Applicant: BASF AG
Inventor: ASSMANN JENS , DEMETER JUERGEN , DEININGER JUERGEN , SOETJE OLIVER , KORY GAD , LOENING JAN-MARTIN
IPC: C08J11/06 , B01D3/14 , B01D5/00 , C01C1/02 , C01C1/10 , C02F1/04 , C08G69/04 , C08G69/16 , C08G69/28 , C08J11/02
Abstract: In a process for distillatively removing ammonia and water from mixtures obtained in the preparation of polyamides which comprise a lactam and/or diamines, and, if appropriate, an aminonitrile and/or dinitrile, and also a cyclopentanone impurity in two stages: 1) the mixture is distilled at from 11 to 35 bar to give, as the top product T1, water, ammonia and cyclopentanone, and, as the bottoms B1, water, the lactam and/or diamines, and, if appropriate, the aminonitrile and/or dinitrile, and 2) T1 is distilled at from 11 to 35 bar to give, as the top product T2, ammonia and cyclopentanone, and, as the bottoms B2, water.
-
公开(公告)号:SG155925A1
公开(公告)日:2009-10-29
申请号:SG2009061532
申请日:2005-09-22
Applicant: BASF AG
Inventor: TELES JOAQUIM HENRIQUE , ROESSLER BEATRICE , GENGER THOMAS , GLASS ANDREAS , BAUMANN DIETER , LOENING JAN-MARTIN
Abstract: The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for preparing ketones comprising the oxidation of an olefin with a gas mixture which has been purified in accordance with the invention and comprises dinitrogen monoxide.
-
公开(公告)号:MXPA05010401A
公开(公告)日:2006-03-21
申请号:MXPA05010401
申请日:2004-04-07
Applicant: BASF AG
Inventor: LOENING JAN-MARTIN
IPC: B01D47/14 , B01D53/14 , C07C67/03 , C07C67/48 , C07C67/52 , C07C67/54 , C07C69/52 , C08G63/181 , C08G63/183 , C08G63/189 , C08G63/78 , B01D47/12
Abstract: Se divulga un metodo para purificar y enfriar un ester dialquilico A) de una corriente de gas que contiene acido dicarboxilico aromatico. Dicho metodo se caracteriza porque la corriente de gas es tratada con un compuesto dihidroxi alifatico B) arriba del punto de fusion del ester dialquilico A) en una primera etapa mientras que la corriente de gas es tratada con un compuesto dihidroxi alifatico B) arriba del punto de fusion del compuesto dihidroxi B) en al menos una segunda etapa.
-
公开(公告)号:DE102004027022A1
公开(公告)日:2006-01-05
申请号:DE102004027022
申请日:2004-06-02
Applicant: BASF AG
Inventor: ASMANN JENS , DEMETER JUERGEN , DEININGER JUERGEN , SOETJE OLIVER , KORY GAD , LOENING JAN-MARTIN
IPC: B01D3/14 , B01D5/00 , C01C1/02 , C01C1/10 , C02F1/04 , C08G69/04 , C08G69/16 , C08G69/28 , C08G69/46 , C08J11/06
Abstract: In a process for distillatively removing ammonia and water from mixtures obtained in the preparation of polyamides which comprise a lactam and/or diamines, and, if appropriate, an aminonitrile and/or dinitrile, and also a cyclopentanone impurity in two stages: 1) the mixture is distilled at from 11 to 35 bar to give, as the top product T1, water, ammonia and cyclopentanone, and, as the bottoms B1, water, the lactam and/or diamines, and, if appropriate, the aminonitrile and/or dinitrile, and 2) T1 is distilled at from 11 to 35 bar to give, as the top product T2, ammonia and cyclopentanone, and, as the bottoms B2, water.
-
公开(公告)号:CA2580732C
公开(公告)日:2010-06-15
申请号:CA2580732
申请日:2005-09-22
Applicant: BASF AG
Inventor: TELES JOAQUIM HENRIQUE , ROESSLER BEATRICE , GENGER THOMAS , GLASS ANDREAS , BAUMANN DIETER , LOENING JAN-MARTIN
Abstract: The invention relates to a method for purifying a gas mixture containing dinitrogen monoxide and to the use of a purified gas mixture of this type as an oxidant for olefins. In an additional embodiment, the invention also relates to a method for producing ketones, said method comprising the oxidation of an olefin with a gas mixture containing dinitrogen monoxide that has been purified according to the invention.
-
公开(公告)号:UA90869C2
公开(公告)日:2010-06-10
申请号:UAA200704500
申请日:2005-09-22
Applicant: BASF AG
Inventor: TELES JOAQUIM HENRIQUE , ROESSLER BEATRICE , GENGER THOMAS , GLASS ANDREAS , BAUMANN DIETER , LOENING JAN-MARTIN
Abstract: Данноеизобретениекасаетсяспособаочисткигазовойсмеси, котораясодержитоксидазота (И), атакжепримененияочищеннойтакимобразомгазовойсмесикакокислителядляолефинов. Согласнодругойформевыполненияданноеизобретениекасаетсятакжеспособаполучениякетонов, которыйвключаетокисление, поменьшеймере, одногоолефинаочищеннойсогласноизобретениюгазовойсмесью, котораясодержитоксидазота (И).
-
8.
公开(公告)号:CA2565503A1
公开(公告)日:2005-12-15
申请号:CA2565503
申请日:2005-05-31
Applicant: BASF AG
Inventor: ASSMANN JENS , LOENING JAN-MARTIN , DEMETER JUERGEN , DEININGER JUERGEN , KORY GAD , SOETJE OLIVER
IPC: C08J11/06 , B01D3/14 , B01D5/00 , C01C1/02 , C01C1/10 , C02F1/04 , C08G69/04 , C08G69/16 , C08G69/28 , C08J11/02
Abstract: In a process for distillatively removing ammonia and water from mixtures obtained in the preparation of polyamides which comprise a lactam and/or diamines, and, if appropriate, an aminonitrile and/or dinitrile, and also a cyclopentanone impurity in two stages: 1) the mixture is distilled at from 11 to 35 bar to give, as the top product T1, water, ammonia and cyclopentanone, and, as the bottoms B1, water, the lactam and/or diamines, and, if appropriate, the aminonitrile and/or dinitrile, and 2) T1 is distilled at from 11 to 35 bar to give, as the top product T2, ammonia and cyclopentanone, and, as the bottoms B2, water.
-
公开(公告)号:DE102004013967A1
公开(公告)日:2005-10-06
申请号:DE102004013967
申请日:2004-03-19
Applicant: BASF AG
Inventor: LOENING JAN-MARTIN , HECKMANN MANFRED , HOELEMANN KARL , HEITZ THOMAS
Abstract: Process for purifying and cooling a gas stream comprising a dialkyl ester A) of an aromatic dicarboxylic acid, which comprises treating the gas stream with an aliphatic dihydroxy compound B) at a temperature less than/equal to the melting point of the dialkyl ester A) in a 1st stage and treating the gas stream with an aliphatic dihydroxy compound B) at above the melting point of the dihydroxy compound B) in at least one 2nd stage.
-
公开(公告)号:BRPI0515904B1
公开(公告)日:2014-12-02
申请号:BRPI0515904
申请日:2005-09-22
Applicant: BASF AG
Inventor: GENGER THOMAS , GLASS ANDREAS , BAUMANN DIETER , LOENING JAN-MARTIN , TELES JOAQUIM HENRIQUE , ROESSLER BEATRICE
Abstract: The present invention relates to a process for purifying a gas mixture comprising dinitrogen monoxide and to the use of a gas mixture purified in this way as an oxidant for olefins. In a further embodiment, the present invention also relates to a process for preparing ketones comprising the oxidation of an olefin with a gas mixture which has been purified in accordance with the invention and comprises dinitrogen monoxide.
-
-
-
-
-
-
-
-
-