-
公开(公告)号:BRPI0620948B1
公开(公告)日:2016-03-01
申请号:BRPI0620948
申请日:2006-12-21
Applicant: BASF SE
Inventor: LAQUA GERHARD , MÜLLER-ENGEL KLAUS JOACHIM , CREMER ULRICH , HAMMON ULRICH , WEGERLE ULRIKE
Abstract: processo para oxidação parcial em fase gasosa fieterogeneamente catalisada. um processo para oxidação parcial em fase gasosa heterogeneamente catalisada, de um composto de partida orgânico, sobre um leito de catalisador fixo recém-instalado em uma câmara de reação, em que a redução da qualidade do leito de catalisador fixo é restaurada com o aumento do tempo de operação, mediante substituição de parte do leito de catalisador fixo por um leito de catalisador fixo parcial de substituição cuja atividade específica do voluma seja menor do que a atividade específica do volume do leito de catalisador fixo parcial substituído em seu estado recém-instalado.
-
公开(公告)号:DE102014215438A1
公开(公告)日:2016-02-11
申请号:DE102014215438
申请日:2014-08-05
Applicant: BASF SE
Inventor: HAMMON ULRICH , WALTER THOMAS
Abstract: Die vorliegende Erfindung betrifft eine Kolonne (1) zur thermischen Behandlung von fluiden Gemischen mit einem zylindrischen, vertikal ausgerichteten Kolonnenkörper (2), der einen Kolonnenhohlraum (3) bildet, mehreren Böden (8), die vertikal beabstandet voneinander in dem Kolonnenhohlraum (3) montiert sind, und einer Tragekonstruktion (9), die zumindest einen der Böden (8) in vertikaler Richtung stützt. Die erfindungsgemäße Kolonne (1) ist dadurch gekennzeichnet, dass die Tragekonstruktion (9) mehrere Öffnungen (12) aufweist, die einen horizontalen Stoffaustausch durch die Tragekonstruktion (9) erlauben. Ferner betrifft die Erfindung eine Bodeneinrichtung für eine solche Kolonne und ein thermisches Trennverfahren zwischen wenigstens einem in einer solchen Kolonne (1) aufsteigenden Gas und wenigstens einer in der Kolonne (1) absteigenden Flüssigkeit.
-
公开(公告)号:BRPI0809073A2
公开(公告)日:2014-09-09
申请号:BRPI0809073
申请日:2008-03-17
Applicant: BASF SE
Inventor: HEILEK JOERG , HAMMON ULRICH , SCHLIEPHAKE VOLKER , MUELLER-ENGEL KLAUS JOACHIM , BLUM TILL
IPC: C07C51/50 , C07C45/78 , C07C45/79 , C07C45/86 , C07C47/22 , C07C51/42 , C07C51/47 , C07C57/04 , C07C67/48 , C07C67/56 , C07C67/62 , C07C69/54
Abstract: A process for storing a monomer phase which is liquid under the conditions of storage and comprises methacrylic monomers to an extent of ≧95% by weight and has been obtained by condensation out of a gaseous phase or by melting a crystalline phase, in a storage vessel, in which polymer of the monomer present in dissolved form in the liquid monomer phase is removed therefrom on the route from its generation into the storage vessel, and also a process for withdrawing liquid monomer phase from the storage vessel in which polymer of the monomer present in dissolved form in the monomer phase is likewise removed.
-
公开(公告)号:BRPI0807659A2
公开(公告)日:2014-06-10
申请号:BRPI0807659
申请日:2008-02-28
Applicant: BASF SE
Inventor: CREMER ULRICH , RAICHLE ANDREAS , ROSOWSKI FRANK , HAMMON ULRICH , MUELLER-ENGEL KLAUS JOACHIM
IPC: B01J23/00 , B01J23/28 , B01J23/888 , B01J37/02 , C07C51/25
Abstract: Preparation of a catalyst consisting of a carrier body and a catalytic active mass, which is applied on the surface of the carrier body, comprises attaching one of the active mass to the surface of the carrier body with the help of a binding agent, where the active mass is a finely divided mixture of: at least an element of molybdenum and vanadium containing finely divided multielement oxides; and at least a finely divided substance comprising oxide of molybdenum or its compound, which forms its oxide under the effect of increased temperature and molecular oxygen. An independent claim is included for a catalyst, obtained by the above process.
-
公开(公告)号:BRPI0716552A2
公开(公告)日:2013-09-24
申请号:BRPI0716552
申请日:2007-09-17
Applicant: BASF SE
Inventor: BLECHSCHMITT MICHAEL , HAMMON ULRICH , MARTIN FRIEDRICH-GEORG , MUELLER-ENGEL KLAUS JOACHIM , ZEHNER PETER
Abstract: Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container. Independent claims are also included for: (1) container comprising a liquid or suspension beneath a gas space and an ejector with a drive nozzle and a suction chamber in communication with the gas space; (2) container comprising a liquid or suspension beneath a gas space and an ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, and a connection between the suction chamber and the gas space; (3) ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, where the transition between the mixing nozzle and the impulse exchange chamber is provided with a jacket fitted with a dip pipe or a connector for a dip pipe; (4) mixing a liquid or suspension beneath a gas space in a closed container by supplying a stream of another liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container.
-
公开(公告)号:AT552045T
公开(公告)日:2012-04-15
申请号:AT07803519
申请日:2007-09-17
Applicant: BASF SE
Inventor: BLECHSCHMITT MICHAEL , HAMMON ULRICH , MARTIN FRIEDRICH-GEORG , MUELLER-ENGEL KLAUS JOACHIM , ZEHNER PETER
Abstract: Mixing a liquid or suspension beneath a gas space in a closed container comprises supplying a stream of the liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container. Independent claims are also included for: (1) container comprising a liquid or suspension beneath a gas space and an ejector with a drive nozzle and a suction chamber in communication with the gas space; (2) container comprising a liquid or suspension beneath a gas space and an ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, and a connection between the suction chamber and the gas space; (3) ejector jet nozzle having a drive nozzle surrounded by a suction chamber discharging into a mixing nozzle and an impulse exchange chamber into which the outlet of the mixing nozzle is directed, where the transition between the mixing nozzle and the impulse exchange chamber is provided with a jacket fitted with a dip pipe or a connector for a dip pipe; (4) mixing a liquid or suspension beneath a gas space in a closed container by supplying a stream of another liquid or suspension as a drive jet for a submerged ejector which aspirates gas from the gas space and discharges the gas together with the drive jet into the liquid or suspension in the container.
-
公开(公告)号:AT509902T
公开(公告)日:2011-06-15
申请号:AT03711919
申请日:2003-03-04
Applicant: BASF SE
Inventor: SCHROEDER JUERGEN , MUELLER-ENGEL KLAUS , SCHLIEPHAKE VOLKER , HAMMON ULRICH , DIEHL VOLKER , JAEGER ULRICH
Abstract: In process for cleaning tray columns which are used for the purposes of rectifiying liquids comprising (meth)acrylic compounds, a basic liquid is conveyed downward through the tray column and a gas is passed through the column in countercurrent to the basic liquid at an average gas phase differential pressure over all trays of at least 0.5 mbar/tray.
-
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
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:ZA200907408B
公开(公告)日:2011-01-26
申请号:ZA200907408
申请日:2009-10-22
Applicant: BASF SE
Inventor: BLUM TILL , HEILEK JORG , MULLER-ENGEL KLAUS JOACHIM , SCHLIEPHAKE VOLKER , HAMMON ULRICH
Abstract: A process for transporting a liquid monomer phase which has been withdrawn from a storage vessel and comprises methacrylic monomers to an extent of ≧90% by weight, in a tank truck or in a tanker ship, in which the liquid monomer phase is subjected to a separating operation on the route from the storage vessel into the tank of a tank truck or of a tanker ship in order to separate polymer of the monomer present in dissolved form in the liquid monomer phase.
-
公开(公告)号:DE102009026822A1
公开(公告)日:2010-12-09
申请号:DE102009026822
申请日:2009-06-08
Applicant: BASF SE
Inventor: HERFERT NORBERT , HAMMON ULRICH , WUESTEFELD RENATE
Abstract: Verfahren zur Umstabilisierung von (Meth)acrylmonomeren, wobei aus phenothiazinhaltigen (Meth)acrylmonomeren Phenothiazin durch Adsorption an Aktivkohle entfernt wird und gegebenenfalls anschließend ein mäßig wirksamer Polymerisationsinhibitor zugegeben wird.
-
-
-
-
-
-
-
-
-