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公开(公告)号：HUE068429T2
公开(公告)日：2024-12-28
申请号：HUE21732904
申请日：2021-06-17
Applicant: BASF SE
Inventor： METZEN BERND , KUNKELMANN CHRISTIAN , LANG ORTMUND , KRAMP MARVIN , HECHLER CLAUS
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公开(公告)号：CA3239148A1
公开(公告)日：2023-06-01
申请号：CA3239148
申请日：2022-11-17
Applicant: BASF SE
Inventor： HECHLER CLAUS , LANG ORTMUND , HOFMANN HORST
Abstract: A process for the production of C6-C12-alkyl (meth)acrylic esters, comprises an esterification step of esterifying (meth)acrylic acid with an alcohol to obtain a crude (meth)acrylic ester, the (meth)acrylic acid containing trace amounts of acetic acid; and purification steps of purifying the crude (meth)acrylic ester. The purification steps comprise introducing crude (meth)acrylic ester into the side of a low boiler column with a rectifying section disposed above the feed point of the crude (meth)acrylic ester and a stripping section disposed below the feed point; withdrawing purified (meth)acrylic ester from the low boiler column; withdrawing a low boiler fraction from the top of the low boiler column, the low boiler fraction comprising alcohol and acetic ester and less than 10 wt.-% of (meth)acrylic ester; directing the low boiler fraction to an acetate column, the acetate column being operated at a pressure at least 50 mbar higher than the low boiler column pressure, and separating the low boiler fraction into an alcohol fraction withdrawn at the top of the acetate column and an acetic ester fraction withdrawn at the bottom of the acetate column; and recycling the alcohol fraction at least partially to the esterification step; the process comprising no recycle from the acetate column to the low boiler column. The process provides an effective and economically viable process for preparing of C6-C12-alkyl (meth)acrylic esters with a low acetate content.
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公开(公告)号：ES2336469T3
公开(公告)日：2010-04-13
申请号：ES05819946
申请日：2005-12-21
Applicant: BASF SE
Inventor： HECHLER CLAUS , OLBERT GERHARD
IPC: C07C51/265 , C07D307/89
Abstract: Procedimiento para la obtención de anhídrido de ácido ftálico a través de la oxidación parcial catalítica de o-xileno y/o naftalina con un gas que contiene oxígeno en una instalación con - dos o más zonas de reacción refrigeradas con un medio refrigerante, - uno o más dispositivos dispuestos entre las zonas de reacción, para la refrigeración intermedia de la mezcla de reacción entre las zonas de reacción, en el cual, la temperatura del medio refrigerante se reduce al entrar en la segunda o en otra zona de reacción, en relación a la temperatura del medio refrigerante al entrar en la primera zona de reacción, caracterizado porque la temperatura del medio refrigerante es más de 20º mayor al entrar en la primera zona de reacción que la temperatura del medio refrigerante al entrar en la segunda o en otra de las zonas de reacción.
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公开(公告)号：ES2990013T3
公开(公告)日：2024-11-28
申请号：ES21732904
申请日：2021-06-17
Applicant: BASF SE
Inventor： METZEN BERND , KUNKELMANN CHRISTIAN , LANG ORTMUND , KRAMP MARVIN , HECHLER CLAUS
Abstract: La invención se refiere a un dispositivo para llevar a cabo procesos de intercambio de material, que comprende una columna con al menos dos conectores para el suministro de una fase vaporosa, en la que se alojan componentes separables en la columna y una sección de columna se extiende desde los al menos dos conectores hasta los componentes separables, en la que está cubierta menos del 25 % de una sección transversal de la columna, con respecto a la sección transversal total, y en la que los al menos dos conectores presentan un desfase en altura correspondiente a un máximo de tres veces el diámetro del conector, y los al menos dos conectores forman un ángulo (α) entre sí de 60° a 150° y son asimétricos entre sí. La invención se refiere también a un uso del dispositivo y a un procedimiento para diseñar el dispositivo. (Traducción automática con Google Translate, sin valor legal)
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公开(公告)号：EA035883B1
公开(公告)日：2020-08-27
申请号：EA201891407
申请日：2016-11-28
Applicant: BASF SE
Inventor： HORSTMANN CATHARINA , HECHLER CLAUS , GRACKIEWICZ GREGOR , SCHALL BERND
Abstract: Способнепрерывногополучениятрет-бутиловогоэфираэтилен-ненасыщеннойкарбоновойкислоты, включающийследующиеэтапы: a) реакциюэтилен-ненасыщеннойкарбоновойкислотыс изобутеномв присутствиикислотногокатализаторас получениемэтерификационнойсмеси; b) удалениекислотногокатализатора; c) удалениекомпонентовс низкойтемпературойкипения; и d) подачужидкости, содержащейтрет-бутиловыйэфир, вдистиллятор, гдеееподвергаюточисткепутемдистилляции, приэтом d1) вдистилляторепроисходитразделениежидкости, содержащейтрет-бутиловыйэфир, нагазообразныйверхнийпродукт, содержащийтрет-бутиловыйэфир, ижидкийнижнийпродукт, содержащийкарбоновуюкислоту; d2) происходит, поменьшеймере, частичнаяконденсациягазообразноговерхнегопродукта, содержащеготрет-бутиловыйэфир, и, поменьшеймере, частичнаярециркуляцияконденсатав дистилляторв качествеобратногопотока; d3) происходит, поменьшеймере, частичнаярециркуляцияжидкогонижнегопродукта, содержащегокарбоновуюкислоту, наэтап a); d4) жидкийнижнийпродукт, содержащийкарбоновуюкислоту, отводяти подаютв нагревательноеустройство; изнагревательногоустройстваотводятперегретыйжидкийпотокрециркуляции, которыйспускаетсяв дистиллятор; и d5) поменьшеймере, вверхнейчастидистилляторапроисходитнагреваниеегостенок, контактирующихс паром, поменьшеймере, внекоторыхточках, и/илитакиестенки, поменьшеймере, внекоторыхточкахимеюттеплоизоляцию. Входеосуществленияспособасепарациятрет-бутиловогоэфираотнепрореагировавшейкарбоновойкислотыпроисходитприособеннонизкомуровнесопутствующейполимеризациитрет-бутиловогоэфираи карбоновойкислоты.
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Patent Agency Ranking
公开(公告)号：CA3070757A1
公开(公告)日：2019-02-21
申请号：CA3070757
申请日：2018-08-13
Applicant: BASF SE
Inventor： LANG ORTMUND , BLASCHKE TIM , RAITH CHRISTIAN , SCHAFRANKA MICHAEL , HECHLER CLAUS
Abstract: The invention relates to a method for continuously producing an acrylic acid butyl ester H2C=CH-C(=O)OR, with R = n-butyl or isobutyl, wherein aqueous 3-hydroxypropionic acid is reacted under dehydrating and esterifying conditions in the presence of the corresponding butanol R-OH in a reactor with a rectification column and the formed acrylic acid butyl ester, unreacted butanol and introduced and formed water are distilled off at the top as a ternary azeotrope, after separation into a liquid aqueous phase and a liquid organic phase the aqueous phase and the organic phase are each at least partially ejected, and the organic phase, containing the acrylic acid butyl ester and the butanol, is separated by distillation.
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公开(公告)号：CA2980238A1
公开(公告)日：2016-10-06
申请号：CA2980238
申请日：2016-03-30
Applicant: BASF SE
Inventor： HORSTMANN CATHARINA , HECHLER CLAUS , GRACKIEWICZ GREGOR , SCHALL BERND
Abstract: The invention relates to a method for continuously producing the tert-butyl ester of an aliphatic C1-C4 carboxylic acid comprising a) reacting an aliphatic C1-C4 carboxylic acid with isobutene in the presence of an acidic catalyst in order to form an esterification mixture (G1); b) partially evaporating the esterification mixture (G1), whereby a liquid first high-boiler phase (SPh1) containing the acidic catalyst and a first exhaust vapor (B1) containing tert-butyl ester are obtained; c) condensing the first exhaust vapor (B1) in a fractionating manner by partially condensing the first exhaust vapor (B1) at a first pressure and a first temperature and obtaining a first condensate (K1), partially condensing the non-condensed second exhaust vapor (B2) at a second pressure and a second temperature and obtaining a second condensate (K2), wherein the first temperature lies 0 to 45 °C below the condensation temperature of the tert-butyl ester at the first pressure and the second temperature lies 45 to 80 °C below the condensation temperature of the tert-butyl ester at the second pressure, with the stipulation that the second temperature lies at least 5 °C below the first temperature; and d) combining the first condensate (K1) and the second condensate (K2) and feeding the first and second condensates to a joint processing operation, and feeding the third exhaust vapor (B3), which is not condensed at the second temperature, back to step a). The method allows the tert-butyl ester of an aliphatic C1-C4 carboxylic acid to be produced by reacting the carboxylic acid with isobutene, wherein unreacted isobutene is isolated from the esterification mixture in an energetically favorable manner and with an improved degree of separation.
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28.发明专利
公开(公告)号：ES2480302T3
公开(公告)日：2014-07-25
申请号：ES05025498
申请日：2001-06-13
Applicant: BASF SE
Inventor： MACHHAMMER OTTO , ADAMI CHRISTOPH , HECHLER CLAUS , ZEHNER PETER
IPC: C07C27/14 , C07C45/33 , B01J23/00 , B01J23/28 , B01J23/31 , B01J23/34 , B01J23/652 , B01J23/656 , B01J23/88 , B01J27/057 , B01J37/02 , C07B61/00 , C07C5/333 , C07C5/48 , C07C7/11 , C07C11/06 , C07C27/00 , C07C45/35 , C07C47/22 , C07C51/215 , C07C51/25 , C07C57/04 , C07C57/05 , C07C57/07
Abstract: Procedimiento para la preparación de acroleína y/o ácido acrílico a partir de propano y/o propeno, comprendiendo el procedimiento las siguientes etapas: (a) separación de propano y/o propeno de una mezcla de gases A que contiene propano y/o propeno mediante absorción en un absorbente, (b) separación del propano y/o propeno del absorbente con obtención de un gas B que contiene propano y/o propeno y (c) uso del gas B obtenido en la etapa (b) para una oxidación de propano y/o propeno para dar acroleína y/o ácido acrílico, en el que entre la etapa (b) y (c) no se lleva a cabo ninguna deshidrogenación con catálisis heterogénea de propano sin aporte de oxígeno y en en el que la separación del propano y/o propeno del absorbente según la etapa (b) se realiza mediante arrastre con un cambio de presión y/o temperatura y con vapor de agua, mezclas de oxígeno/nitrógeno o aire, y en en el que en la etapa (a) la mezcla de gases se pone en contacto a una presión de 100 a 5000 kPa (de 1 a 50 bar) y a una temperatura de 0 a 100º C con el absorbente y en la etapa (b) se lleva a cabo el arrastre a una presión de 10 a 1000 kPa (de 0,1 a 10 bar) y a una temperatura de 0 a 200º C.
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公开(公告)号：AT552047T
公开(公告)日：2012-04-15
申请号：AT07765633
申请日：2007-06-26
Applicant: BASF SE
Inventor： HECHLER CLAUS , RUPPEL WILHELM , SCHINDLER GOETZ-PETER , HORSTMANN CATHARINA , BASSLER HANS-JUERGEN , DIETERLE MARTIN , KLAPPERT KARL-HEINRICH , MUELLER-ENGEL KLAUS JOACHIM
Abstract: Continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in the gas phase involves at least one catalyst bed disposed in the reaction chamber and with generation of a product gas comprising the at least one dehydrogenated hydrocarbon, unconverted hydrocarbon to be dehydrogenated and molecular hydrogen and/or steam, is dehydrogenated partially in an oxidative or non-oxidative manner to at least one dehydrogenated hydrocarbon, and at least one product gas stream is withdrawn continuously from the reaction chamber. Process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in the gas phase involves a reaction chamber enclosed by a shell which is in contact with the reaction chamber and has at least one first orifice for feeding at least one starting gas stream into the reaction chamber and at least one second orifice for withdrawing at least one product gas stream from the reaction chamber, at least one starting gas stream comprising at least one hydrocarbon to be dehydrogenated is fed continuously in the reaction chamber. The at least one hydrocarbon to be dehydrogenated is conducted through at least one catalyst bed disposed in the reaction chamber and with generation of a product gas comprising the at least one dehydrogenated hydrocarbon, unconverted hydrocarbon to be dehydrogenated and molecular hydrogen and/or steam, is dehydrogenated partially in an oxidative or non-oxidative manner to at least one dehydrogenated hydrocarbon, and at least one product gas stream is withdrawn continuously from the reaction chamber. The shell is manufactured from a composite material which, on its side B in contact with the reaction chamber, consists of steel B comprising (wt.%): chromium (18-30), nickel (9-37), silicon (1-4), aluminum (>=0-4), nitrogen (>=0-0.3), carbon (>=0-0.15), manganese (>=0-4), phosphorus (>=0-0.05), sulfur (>=0-0.05), and at least one rare earth metal (>=0-0.1), and iron and impurities resulting from production. The steel B, on its side A facing away from the reaction chamber, is plated either directly or via an intermediate layer of copper, and/or nickel, onto steel A comprising (wt.%): chromium (15-20), nickel (6-18), silicon (>=0-0.8), aluminum (>=0-0.8), nitrogen (>=0-0.3), carbon (>=0-0.15), molybdenum (>=0-4), manganese (>=0-2), titanium (>=0-0.8), niobium (>=0-1.2), vanadium (>=0-0.9), boron (>=0-0.1), phosphorus (>=0-0.05), sulfur (>=0-0.05), iron and impurities resulting from production, or a composition comprising (wt.%) Cr (19-23), Ni (30-35), Co (>=0-1), Si (>=0-1), Al (0.15-0.7), C (>=0-0.12), Mn (>=0-2), Cu (>=0-0.75), Ti (0.15-0.7), Nb (>=0-0.1), P (>=0-0.05), S (>=0-0.05) and iron and impurities resulting from production. An independent claim is included for a shell encloses an interior and has at least one first orifice for feeding at least one gas stream into the interior and at least one second orifice for withdrawing a gas stream fed to the interior beforehand via the at least one first orifice O1 from the interior. The shell is manufactured from a composite material which, on its side B in contact with the reaction chamber, consists of steel B on its side A facing away from the reaction chamber is plated either directly or via an intermediate layer of copper and/or nickel onto steel A.
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公开(公告)号：AT520640T
公开(公告)日：2011-09-15
申请号：AT05743080
申请日：2005-04-21
Applicant: BASF SE
Inventor： DIETERLE MARTIN , MUELLER-ENGEL KLAUS , HECHLER CLAUS , HAMMON ULRICH , DIEFENBACHER ARMIN
Abstract: The invention relates to a method for producing acrylic acid by means of two-stage heterogeneously catalyzed partial gas phase oxidation of propylene. According to said method, previously dehydrogenated propane is used as a propylene source while the first partial oxidation stage is operated so as to limit propylene reaction. Furthermore, unreacted propane and propylene contained in the product gas mixture of the second partial oxidation stage are largely redirected into the propane dehydrogenation process taking place upstream.
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