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公开(公告)号：JP2001064281A
公开(公告)日：2001-03-13
申请号：JP2000221322
申请日：2000-07-21
Applicant: BASF AG
Inventor： RIECHERS HARTMUT , HOEHN ARTHUR , SIMON JOACHIM , LANG ORTMUND , SCHOENMAKERS HARTMUT , RAULS MATTHIAS DR , CLAERBOUT KOEN
IPC: C07D471/08 , C07D487/08
Abstract: PROBLEM TO BE SOLVED: To provide an effective and economical method for producing pure triethylenediamine(TEDA) and its solution. SOLUTION: This method for producing pure triethylenediamine solution comprises evaporating triethylenediamine and introducing the gas state triethylenediamine into a liquid solvent. The gaseous triethylendiamine is obtained from the top of a column or its side discharging port. Further, the pure triethylenediamine solution is produced by following the above method and then crystallizing the triethylenediamine from the solution. The liquid solvent is selected from the group consisting of cyclic or non-cyclic hydrocarbons, chlorinated aliphatic hydrocarbons, aromatic hydrocarbons, alcohols, ketones, aliphatic carboxylic acid esters, aliphatic nitriles and ethers.
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公开(公告)号：BRPI0413017A
公开(公告)日：2006-10-17
申请号：BRPI0413017
申请日：2004-07-15
Applicant: BASF AG
Inventor： BESTE YORK ALEXANDER , SCHOENMAKERS HARTMUT
Abstract: A process for separating azeotropic or close-boiling mixtures by means of an extractive rectification in which an ionic liquid is used as entrainer, wherein a high boiling bottom product is taken off from the column in vapor form via a side offtake.
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公开(公告)号：BRPI0413168A
公开(公告)日：2006-10-03
申请号：BRPI0413168
申请日：2004-07-15
Applicant: BASF AG
Inventor： BESTE YORK ALEXANDER , SCHOENMAKERS HARTMUT , ARLT WOLFGANG , SEILER MATHIAS , JORK CARSTEN
Abstract: An extraction-rectification process produces a low-volatile sump fraction and ionic fluid, in a reaction in which the ionic fraction is used as an entrainer. The sump fraction is discharged to an evaporator stage operated at a pressure of less than 500 mbar, thereby separating most of the low-volatile fraction from the ionic fluid. The low-volatile content in the ionic fluid falls to less than 5% wt. Alternatively, the discharging sump fraction is surrendered to a stripper where it is exposed to an inert gas or super-heated steam at ambient pressure or less than 900 mbar. The ionic fluid is surrendered to a further stripper where it is exposed to an inert gas or super-heated steam at ambient pressure or less than 500 mbar. The inert gas is dry air. The ionic fluid yield is returned to the extraction-rectification column. An independent claim is included for a process to separate mixtures of polar and non-polar substances that form azeotropes, or have a narrow boiling point range.
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公开(公告)号：DE10033958A1
公开(公告)日：2002-01-24
申请号：DE10033958
申请日：2000-07-13
Applicant: BASF AG
Inventor： HILL THOMAS , KAIBEL GERD , MEYER GERALD , NIEKERKEN JOERG , SCHOENMAKERS HARTMUT
Abstract: Distillation apparatus, consisting of a partitioned column or a system of thermally coupled distillation columns, includes inlet lines for a hydrocarbon mixture, hydrogen and alcohol, outlet lines for low, medium and high boilers and heterogeneous hydrogenation and etherification catalysts, all located in specific segments of the apparatus. In operation hydrogen is obtained as low boiler and ether as high boiler. Distillation apparatus consists of a partitioned column or a system of thermally coupled distillation columns, including the following segments: (a) highest region of the overall arrangement; (b) concentration region of the feed unit; (c) distillation region of the feed unit; (d) upper region of the withdrawal unit; (e) lower region of the withdrawal unit; and (f) lowest region of the overall arrangement. Also provided are: a hydrocarbon mixture inlet point between segments (b) and (c); a medium boilers outlet point between (d) and (e); a low boilers outlet point in (a); a low boilers outlet point in (f); at least one hydrogen inlet point below (a); at least one alcohol inlet point in (a), (b) and/or (c); inserts containing a heterogeneous hydrogenation catalyst in (a), (d), (e) and/or (f); and inserts containing a heterogeneous etherification catalyst in (a), (b), (c) and/or (f). In operation hydrogen is obtained as low boiler and ether as high boiler. An Independent claim is included for a process for reactive distillation of hydrocarbon mixtures using the apparatus.
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公开(公告)号：AT358666T
公开(公告)日：2007-04-15
申请号：AT04725673
申请日：2004-04-05
Applicant: BASF AG
Inventor： PESCHEL WERNER , SCHOENMAKERS HARTMUT , ALTHAUS KLAUS , KIRCHNER TANJA , STAATZ HARTMUT
IPC: C07C231/24 , C07C233/05
Abstract: The invention relates to a process for distillatively purifying crude dimethylacetamide (crude DMAc) comprising DMAc, low boilers and high boilers 5 by removing the low boilers and the high boilers to obtain pure DMAc in one of the column configurations listed hereinbelow: (I) a main column (MC) with sidestream column (SC) or (II) a dividing wall column (DWC), which operating at least the main column (MC) in column configuration (I) and the dividing wall column (DWC) in column configuration (II) at a top pressure in the range from 0.5 to 1.8 bar absolute.
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Patent Agency Ranking
公开(公告)号：DE10315214A1
公开(公告)日：2004-10-14
申请号：DE10315214
申请日：2003-04-03
Applicant: BASF AG
Inventor： PESCHEL WERNER , SCHOENMAKERS HARTMUT , ALTHAUS KLAUS , KIRCHNER TANJA , STAATZ HARTMUT
IPC: C07C231/24 , C07C233/05 , C07C233/03 , B01D3/14
Abstract: The invention relates to a process for distillatively purifying crude dimethylacetamide (crude DMAc) comprising DMAc, low boilers and high boilers 5 by removing the low boilers and the high boilers to obtain pure DMAc in one of the column configurations listed hereinbelow: (I) a main column (MC) with sidestream column (SC) or (II) a dividing wall column (DWC), which operating at least the main column (MC) in column configuration (I) and the dividing wall column (DWC) in column configuration (II) at a top pressure in the range from 0.5 to 1.8 bar absolute.
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公开(公告)号：NO152371B
公开(公告)日：1985-06-10
申请号：NO801034
申请日：1980-04-10
Applicant: BASF AG
Inventor： WOLF DIETER , SCHMIDT RUDOLF , BLOCK ULRICH , SCHOENMAKERS HARTMUT , BORR KASPAR , KAIBEL GERD
Abstract: Anhydrous or substantially anhydrous formic acid is obtained by hydrolysis of methyl formate, in a process wherein (a) methyl formate is hydrolyzed, (b) the methanol and excess methyl formate are distilled from the hydrolysis mixture obtained, (c) the bottom product of distillation (b), consisting of formic acid and water, is extracted, in a liquid-liquid extraction, with an extractant which in the main takes up the formic acid, (d) the resulting extract phase, consisting of formic acid, the extractant and a part of the water, is subjected to distillation, (e) the top product obtained from this distillation and consisting of all or part of the water introduced into the distillation, and part of the formic acid, is recycled, as vapor, into the lower part of the distillation column of stage (b), (f) the bottom product of distillation stage (d), consisting of the extractant, with or without part of the water, and the greater part of the formic acid, is separated by distillation into anhydrous or substantially anhydrous formic acid and the extractant, and (g) the extractant leaving stage (f) is recycled to the process.
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公开(公告)号：NO801034A
公开(公告)日：1980-10-13
申请号：NO801034
申请日：1980-04-10
Applicant: BASF AG
Inventor： WOLF DIETER , SCHMIDT RUDOLF , BLOCK ULRICH , SCHOENMAKERS HARTMUT , BOTT KASPAR , KAIBEL GERD
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公开(公告)号：BRPI0518482A2
公开(公告)日：2008-11-18
申请号：BRPI0518482
申请日：2005-11-21
Applicant: BASF AG
Inventor： BESTE YORK ALEXANDER , EGGERSMANN MARKUS , SCHOENMAKERS HARTMUT
Abstract: Processes for chemical reaction and separation in a column comprising, (a) providing one or more reactants to a column; and (b) carrying out at least partially superimposed reactive distillation and extractive distillation on the one or more reactants in the column to form a reaction product mixture comprising at least two components and separate at least one of the components; wherein an ionic liquid is present in the column.
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公开(公告)号：ES2284003T3
公开(公告)日：2007-11-01
申请号：ES04725673
申请日：2004-04-05
Applicant: BASF AG
Inventor： PESCHEL WERNER , SCHOENMAKERS HARTMUT , ALTHAUS KLAUS , KIRCHNER TANJA , STAATZ HARTMUT
IPC: C07C231/24 , C07C233/05
Abstract: Dispositivo de corte de corriente eléctrico, tal como un interruptor seccionador, que incluye una caja (1), dos contactos fijos (21, 22) llevados por la caja, un contacto móvil (20) selectivamente aplicado sobre los contactos fijos (21, 22), un mecanismo de armado (3), que incluye un accionador (31), para desplazar selectivamente el contacto móvil (20) hacia los contactos fijos (21, 22), y medios de desencadenamiento (4) para liberar selectivamente el contacto móvil (20) de los contactos fijos (21, 22) en caso de desencadenamiento, el accionador (31) que incluyen una manecilla (311), una excéntrica (312) solidaria de la manecilla (311), y una biela (313) movida por la excéntrica, estando la manecilla (311) montada pivotante sobre la caja (1) entre su posición de reposo y una posición de enganche, estando elásticamente guiada hacia su posición de reposo, en la cual el contacto móvil (20) es liberado de los contactos fijos (21, 22), y estando dotada de un cubo (311a) que lleva un primer indicador luminoso de estado (61) visible desde el exterior de la caja (i) en la posición de reposo de la manecilla (311), el mecanismo de armado (3) que incluye, además el accionador (31), una corredera de arrastre (32) guiada siguiendo una primera dirección (D1) por una primera fuerza elástica (resorte 51) y que porta el contacto móvil (20), estando esta corredera 32 selectivamente desplazada en deslizamiento con relación a la caja (1), a lo largo de un primer eje (Z) que pasa entre los dos contactos fijos (21, 22), desde una posición inactiva que adopta en la posición de reposo de la manecilla (311) hasta una posición activa que adopta cuando la manecilla (311) alcanza su posición de enganchamiento y en la cual aplica el contacto móvil (20) sobre los contactos fijos (21, 22), y la biela (313) que adoptan selectivamente una configuración contratada que deja en caso de desencadenamiento, caracterizado por que la biela (313), en configuración contratada, vincula cinemáticamente la manecilla (311) a la corredera (32).
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