公开(公告)号：WO2008128988A3

公开(公告)日：2008-12-11

申请号：PCT/EP2008054720

申请日：2008-04-18

Applicant: BASF SE ,  HAMMON ULRICH ,  FRIESE THORSTEN ,  PETZOLDT JOCHEN ,  MUELLER-ENGEL KLAUS JOACHIM ,  CREMER ULRICH ,  RAICHLE ANDREAS

Inventor： HAMMON ULRICH ,  FRIESE THORSTEN ,  PETZOLDT JOCHEN ,  MUELLER-ENGEL KLAUS JOACHIM ,  CREMER ULRICH ,  RAICHLE ANDREAS

IPC: C07C51/25 ,  C07C57/055

CPC classification number: B01J8/067 ,  B01J23/002 ,  B01J23/8885 ,  B01J27/199 ,  B01J35/0006 ,  B01J2208/00212 ,  B01J2208/00221 ,  B01J2208/00513 ,  B01J2208/025 ,  B01J2219/30207 ,  B01J2219/30215 ,  B01J2523/00 ,  C07C51/235 ,  C07C57/04 ,  B01J2523/13 ,  B01J2523/41 ,  B01J2523/54 ,  B01J2523/68 ,  B01J2523/69 ,  B01J2523/842 ,  B01J2523/845 ,  B01J2523/17 ,  B01J2523/55 ,  B01J2523/15 ,  B01J2523/51 ,  B01J2523/53 ,  B01J2523/62

Abstract: The invention relates to a method for starting a heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid or of methacrolein into methacrylic acid at a fixed catalyst bed that is located in a shell-and-tube reactor cooled with a heat exchanger means, wherein the temperature of the heat exchanger means is = 290°C, and wherein the temperature of the reactor bottom surface facing the reactor gas inlet mixture and the temperature of the reaction gas inlet mixture are = 285°C.

Abstract translation: 调试丙烯醛的非均相催化部分气相氧化成丙烯酸或异丁烯醛成甲基丙烯酸在一个位于与热交换介质管束反应器固定催化剂床冷藏的的方法，该热交换介质的温度= 290℃，并且温度是在反应器板表面的， 面对反应气体进入混合物，以及是= 285℃，反应气体入口混合物本身的温度。

公开(公告)号：WO2010066601A3

公开(公告)日：2011-06-16

申请号：PCT/EP2009066063

申请日：2009-11-30

Applicant: BASF SE ,  SCHLIEPHAKE VOLKER ,  FRIESE THORSTEN ,  BOTT KLAUS ,  BLECHSCHMITT MICHAEL ,  BLUM TILL ,  MUELLER-ENGEL KLAUS JOACHIM

Inventor： SCHLIEPHAKE VOLKER ,  FRIESE THORSTEN ,  BOTT KLAUS ,  BLECHSCHMITT MICHAEL ,  BLUM TILL ,  MUELLER-ENGEL KLAUS JOACHIM

IPC: C07C51/42

CPC classification number: C07C51/42 ,  C07C57/04

Abstract: The invention relates to a method for cleaving Michael adducts that are contained in a fluid F at a weight proportion of = 10 wt % and that were formed in the production of acrylic acid or esters thereof, in a cleaving device, which comprises a pump P and a separation column K having installations that effect separation and a recirculation heat exchanger UW, wherein for the purpose of feeding the cleaving energy, the pump P draws sump fluid from the sump chamber of the separation column K and continuously feeds said sump fluid back into the sump chamber above the level of the sump fluid through the recirculation heat exchanger UW, and wherein the pump P is a radial centrifugal pump having an open impeller.

Abstract translation: 已经形成在制备丙烯酸或其酯的一种的流体F的裂解具有以重量计= 10重量％含有迈克尔加成物的比例的方法，用分离的背间隙装置，包括一个泵P，分离塔K 内部和循环热交换器UW，其特征在于，用于供给所述间隙能量的目的，泵P吸入ķ从分离塔的底部空间底部液体并经由再循环热交换器UW在底部空间底部液体的对象的上方连续地循环，并且所述泵P的径向离心泵开 是叶轮。

公开(公告)号：WO2014095437A3

公开(公告)日：2014-10-09

申请号：PCT/EP2013075875

申请日：2013-12-09

Applicant: BASF SE

Inventor： KORN TOBIAS JOHANNES ,  ZUROWSKI PETER ,  FRIESE THORSTEN ,  HAREMZA SYLKE ,  JÄGER ULRICH ,  RISSEL STEFFEN ,  SCHLIEPHAKE VOLKER

IPC: C07C69/54 ,  C07C57/04

CPC classification number: C07C51/50 ,  C07C67/62 ,  C07C57/04 ,  C07C69/54

Abstract: The invention relates to a method for stabilising acrylic compounds, wherein a liquid phase, which contains at least one acrylic compound from the group acrylic acid, methacrylic acid and their respective esters, is mixed with at least one metal from the group copper, manganese and cerium and at least one ligand from the group consisting of a) quinoline compounds of formula (I), wherein the symbols have the following meanings: X is OH, NH2, O-C1-C4-alkyl, preferably OCH3, O-C(O)-C1-C4-alkyl, preferably O-C(O)-CH3, O-C(O)-C2H5 or O-C(O)-phenyl; R1 is H, or (C1-C4)-alkyl, preferably methyl; R2 is H, C1-C4-alkyl, preferably methyl, Cl, Br or SO3H and R3 is H, Cl or Br; and N-oxides of compounds of formula (I), b) 2,2'-bis(2,3-dihydro-3-oxoindolylides) and c) aliphatic y-dentate ligands where y = 2-6, containing at least two nitrogen atoms and y-2 further coordinating aliphatic or aromatic C1-C4 carbon bridges containing nitrogen atoms or heteroatoms.

Abstract translation: 一种用于丙烯酸类化合物的稳定化处理，以得到包含含有选自丙烯酸，甲基丙烯酸及其各自的酯的选择，混合与选自铜，锰的至少一种金属和铈和选自以下组成的组中的至少一种配体的至少一种丙烯酸类化合物的液相 a）式（I）的喹啉化合物其中的符号具有以下含义：X是OH，NH 2，-O-C1-C4烷基，优选OCH 3，OC（O）-C 1 -C 4 - 烷基，优选-OC（O） - CH 3，OC（O）-C 2 H 5或OC（O） - 苯基; R1是H或（C1-C4） - 烷基，优选甲基; R2是H，C1-C4烷基，优选甲基，Cl，Br或SO3H，R3是H，Cl或Br; 和式（I），B）2,2'-双（2,3-二氢-3- oxoindolyliden）和c）的脂族，其中y = 2-6的y齿配体的化合物的N-氧化物，含有至少两个氮原子 和y-2是进一步配位的含氮或杂原子的脂族或芳族C 1 -C 4碳桥。

公开(公告)号：WO2011000808A2

公开(公告)日：2011-01-06

申请号：PCT/EP2010059161

申请日：2010-06-29

Applicant: BASF SE ,  BLUM TILL ,  ZUROWSKI PETER ,  RISSEL STEFFEN ,  HAREMZA SYLKE ,  FRIESE THORSTEN ,  JAEGER ULRICH ,  SCHLIEPHAKE VOLKER ,  MUELLER-ENGEL KLAUS JOACHIM ,  HAMMON ULRICH ,  HOEFER FRANK

Inventor： BLUM TILL ,  ZUROWSKI PETER ,  RISSEL STEFFEN ,  HAREMZA SYLKE ,  FRIESE THORSTEN ,  JAEGER ULRICH ,  SCHLIEPHAKE VOLKER ,  MUELLER-ENGEL KLAUS JOACHIM ,  HAMMON ULRICH ,  HOEFER FRANK

IPC: C07C51/25

CPC classification number: C07C51/252 ,  C07C51/44 ,  C07C57/04

Abstract: The invention relates to a method for separating a raw acrylic acid from a product gas mixture comprising glyoxal as auxiliary product of a heterogeneously catalyzed partial gas phase oxidation of at least one C3-precursor compound, comprising the absorption of the acrylic acid in a high-boiling absorption agent and the rectificative processing of the resulting absorbent, and wherein, in a distillation unit, an absorption agent contained in the sump fluid that has been removed from the sump chamber of the absorption column is distilled and is fed back into the absorption before remaining high-boiling components are removed, and wherein the glyoxal content of the raw acrylic acid is reduced by limiting the duration of the high-boiling components in the distillation unit.

Abstract translation: 从乙二醛作为分离粗丙烯酸的方法的副含有产物的至少一种C3-前体化合物的非均相催化部分气相氧化，其包括在所得到的吸收物的高沸点吸收剂和整流后处理丙烯酸的吸收的产物气体混合物，并且在从底部空间中的 包含在蒸馏装置的液体除去塔底的吸收柱在其中吸收剂蒸馏除去而剩余的高沸点组分被除去之前再循环到吸收，并通过在粗丙烯酸在乙二醛含量的蒸馏单元限制Schwersiederverweilzeit降低。

公开(公告)号：WO2009133042A3

公开(公告)日：2010-01-14

申请号：PCT/EP2009055014

申请日：2009-04-27

Applicant: BASF SE ,  BLUM TILL ,  ZUROWSKI PETER ,  RISSEL STEFFEN ,  HAREMZA SYLKE ,  FRIESE THORSTEN ,  JAEGER ULRICH ,  SCHLIEPHAKE VOLKER ,  MUELLER-ENGEL KLAUS JOACHIM ,  RUMPF BERND

Inventor： BLUM TILL ,  ZUROWSKI PETER ,  RISSEL STEFFEN ,  HAREMZA SYLKE ,  FRIESE THORSTEN ,  JAEGER ULRICH ,  SCHLIEPHAKE VOLKER ,  MUELLER-ENGEL KLAUS JOACHIM ,  RUMPF BERND

IPC: B01J19/00 ,  C07C57/04

CPC classification number: B01J19/0013 ,  B01J2219/00094

Abstract: A method is disclosed for transferring heat to a liquid F containing dissolved monomeric acrylic acid, acrylic acid oligomers obtained by Michael addition, and acrylic acid polymer with the help of an indirect heat exchanger to which the liquid F is fed at a temperature TF = 150°C and a heat transfer fluid W is fed at a temperature Tw > TF. In said method, gas bubbles or thin layers of liquid F bordering a gas phase are generated in the liquid F while said liquid F flows through the heat exchanger.

Abstract translation: 一种用于将热量传递至单体丙烯酸的方法，丙烯酸迈克尔低聚物和丙烯酸聚合物溶解使用间接换热器，其是具有温度TF = 150℃，用一个温度Tw的流体热载体W上的液体含有F F型液状 > TF，供给气体的气泡或邻近F液的薄层气相的通过热交换器的流动期间，在液F被实现的形成。

公开(公告)号：ZA201303255B

公开(公告)日：2014-07-30

申请号：ZA201303255

申请日：2013-05-06

Applicant: BASF SE

Inventor： BLUM TILL ,  ZUROWSKI PETER ,  KORN TOBIAS JOHANNES ,  HAREMZA SYLKE ,  FRIESE THORSTEN ,  MARTIN FRIEDRICH-GEORG ,  JAGER ULRICH ,  RISSEL STEFFEN ,  SCHLIEPHAKE VOLKER

IPC: C07C20060101

Abstract: Inhibiting the unwanted radical polymerization of acrylic acid present in a liquid phase (P1), comprises adding at least one chemical compound of copper to the liquid phase (P1). The amount of acrylic acid is 10 wt.%. The liquid phase additionally contains propionic acid (at least 100 wt. parts per million, based on wt. of acrylic acid in the liquid phase) and glyoxal (at least 100 wt. parts per million, based on wt. of acrylic acid in the liquid phase). An independent claim is also included for the liquid phase (P1), comprising at least one chemical compound of copper.

公开(公告)号：ES2435544T3

公开(公告)日：2013-12-20

申请号：ES08874459

申请日：2008-11-19

Applicant: BASF SE

Inventor： FRIESE THORSTEN ,  BECHTEL MARCUS ,  GERBER BERND ,  PASCHOLD JUERGEN

IPC: B01D3/00 ,  B01D3/14 ,  B01J19/32

Abstract: Dispositivo colector de líquidos para su uso en una columna que contiene al menos un lecho de empaquetadura,que comprende - un dispositivo colector para recolectar el líquido que sale del lecho de empaquetadura y - al menos una extracción de la columna, caracterizado porque todos los elementos del dispositivo colector están separados con respecto a la pared decolumna o con respecto a la pared de columna y al menos una pared separadora que se encuentra en la columna,de modo que el líquido que baja por la pared no llega al interior de la extracción del dispositivo colector de líquidos,estando los elementos unidos mediante elementos distanciadores con la pared de columna y/o dado el caso con lapared separadora, estando los elementos colocados de forma suelta sobre dispositivos de apoyo, y/o estando loselementos fijados en una rejilla de soporte del lecho de empaquetadura que se encuentra por encima de loselementos.

公开(公告)号：DE102010001228A1

公开(公告)日：2011-02-17

申请号：DE102010001228

申请日：2010-01-26

Applicant: BASF SE

Inventor： BLUM TILL ,  ZUROWSKI PETER ,  RISSEL STEFFEN ,  HAREMZA SYLKE ,  FRIESE THORSTEN ,  JAEGER ULRICH ,  SCHLIEPHAKE VOLKER ,  MUELLER-ENGEL KLAUS JOACHIM ,  HAMMON ULRICH ,  HOEFER FRANK

IPC: C07C57/07 ,  C07C57/05

Abstract: Ein Verfahren der Abtrennung einer rohen Acrylsäure aus einem Glyoxal als Nebenprodukt enthaltenden Produktgasgemisch einer heterogen katalysierten partiellen Gasphasenoxidation wenigstens einer C-Vorläuferverbindung, das die Absorption der Acrylsäure in einem hochsiedenden Absorptionsmittel sowie die rektifikative Aufarbeitung des resultierenden Absorbats umfasst, und bei dem von aus dem Sumpfraum der Absorptionskolonne entnommener Sumpfflüssigkeit in einer Destillationseinheit darin enthaltenes Absorptionsmittel abdestilliert und in die Absorption rückgeführt wird, bevor dabei verbliebene Schwersieder ausgeschleust werden, und bei dem durch Beschränkung der Schwersiederverweilzeit in der Destillationseinheit der Glyoxalgehalt der rohen Acrylsäure vermindert wird.

公开(公告)号：PL1699776T3

公开(公告)日：2009-04-30

申请号：PL04804133

申请日：2004-12-21

Applicant: BASF SE

Inventor： SIEGERT MARKUS ,  LANG NEVEN ,  STROEFER ECKHARD ,  STAMMER ACHIM ,  FRIESE THORSTEN ,  HASSE HANS

IPC: C07D323/06

公开(公告)号：AT414072T

公开(公告)日：2008-11-15

申请号：AT04804133

申请日：2004-12-21

Applicant: BASF SE

Inventor： SIEGERT MARKUS ,  LANG NEVEN ,  STROEFER ECKHARD ,  STAMMER ACHIM ,  FRIESE THORSTEN ,  HASSE HANS

IPC: C07D323/06

Abstract: A process for removing trioxane from a use stream I of formaldehyde, trioxane and water, by a) providing a use stream I of formaldehyde as the main component and trioxane and water as the secondary components, b) mixing the use stream I with a recycle stream VII to obtain a feed stream Ia, c) distilling the use stream Ia in a first distillation stage to obtain a stream II of formaldehyde as the main component and water as the secondary component, and a stream III of trioxane as the main component and water and formaldehyde as the secondary components, d) distilling the stream III in a second distillation stage having a pressure higher than in the first distillation stage, to obtain a stream IV of trioxane and a stream V of trioxane as the main component and water and formaldehyde as the secondary components, e) distilling the stream V in a third distillation stage to obtain a stream VI of water and the recycle stream VII of trioxane as the main component and water and formaldehyde as the secondary components.