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    APPARATUS AND PROCESS FOR THE CONTINUOUS REACTION OF LIQUIDS WITH GASES
    1.
    发明申请
    APPARATUS AND PROCESS FOR THE CONTINUOUS REACTION OF LIQUIDS WITH GASES 有权
    液体与气体的连续反应的装置和方法

    公开(公告)号：US20140200369A1

    公开(公告)日：2014-07-17

    申请号：US14147823

    申请日：2014-01-06

    Applicant: BASF SE

    Inventor： Oliver BEY ,  Christian KUNKELMANN ,  Roland BAUER ,  Andreas RAICHLE ,  Hartmut RIECHERS ,  Peter ZEHNER

    IPC: B01J19/26

    CPC classification number: B01J4/002 ,  B01J8/006 ,  B01J8/226 ,  B01J8/228 ,  B01J10/00 ,  B01J19/246 ,  B01J19/2465 ,  B01J2208/00132 ,  B01J2208/00902 ,  B01J2219/00081

    Abstract: The present invention relates to an apparatus of the loop Venturi reactor type for the continuous reaction of liquids with gases, in particular for hydrogenations, oxidations or acetylations, e.g. for the preparation of toluenediamine by hydrogenation of dinitrotoluene, and a process for the continuous reaction of liquid reactants with gaseous reactants in the apparatus. In the apparatus of the invention, the diversion of an internal circulatory flow in the reactor is effected by means of a diversion pan which is arranged underneath a heat exchanger.

    Abstract translation: 本发明涉及一种用于液体与气体的连续反应的文丘里反应器类型的装置，特别是用于氢化，氧化或乙酰化的反应。 用于通过二硝基甲苯的氢化制备甲苯二胺，以及在装置中液体反应物与气态反应物的连续反应的方法。 在本发明的装置中，内部循环流在反应器中的分流通过设置在热交换器下方的转向盘进行。

    CONTINUOUS PREPARATION OF AN OPTICALLY ACTIVE CARBONYL COMPOUND BY ASYMMETRIC HYDROGENATION
    2.
    发明申请
    CONTINUOUS PREPARATION OF AN OPTICALLY ACTIVE CARBONYL COMPOUND BY ASYMMETRIC HYDROGENATION 有权

    公开(公告)号：US20210214296A1

    公开(公告)日：2021-07-15

    申请号：US17274142

    申请日：2019-09-03

    Applicant: BASF SE

    Inventor： Peter ZEHNER ,  Oliver BEY

    IPC: C07C45/62 ,  B01J19/00 ,  B01J19/18 ,  C07C31/04 ,  B01J31/24 ,  C07C29/17 ,  C07C33/14 ,  C07C47/21

    Abstract: Process for the continuous production of an optically active carbonyl compound by asymmetric hydrogenation of a prochiral α,β-unsaturated carbonyl compound with hydrogen in the presence of a homogeneous rhodium catalyst that has at least one chiral ligand, wherein a liquid reaction mixture comprising the prochiral α,β-unsaturated carbonyl compound is subjected in a first, backmixed reactor to a gas/liquid two-phase hydrogenation, and the liquid reaction mixture is then further hydrogenated in a second reactor, wherein the prochiral α,β-unsaturated carbonyl compound is employed in the first reactor in a concentration from 3% to 20% by weight. The process allows a high total conversion to the prochiral α,β-unsaturated carbonyl compound.

    REACTOR FOR CARRYING OUT A GAS-LIQUID TWO-PHASE HIGH-PRESSURE REACTION WITH A FOAMING MEDIUM
    4.
    发明申请
    REACTOR FOR CARRYING OUT A GAS-LIQUID TWO-PHASE HIGH-PRESSURE REACTION WITH A FOAMING MEDIUM 有权

    公开(公告)号：US20210371361A1

    公开(公告)日：2021-12-02

    申请号：US17274135

    申请日：2019-09-03

    Applicant: BASF SE

    Inventor： Oliver BEY ,  Peter ZEHNER ,  Michael ACKER ,  Rocco PACIELLO ,  Mathias SCHELWIES ,  Martin HAUBNER ,  Guenter WEGNER ,  Gerd TEBBEN ,  Gunnar HEYDRICH ,  Georg SEEBER

    IPC: C07C29/141 ,  B01J19/00 ,  B01J19/24 ,  B01J19/26 ,  B01J19/30 ,  B01J19/32 ,  B01J31/20 ,  B01J3/04

    Abstract: A reactor for performing a gas/liquid biphasic high-pressure reaction with a foaming medium, comprising an interior formed by a cylindrical, vertically oriented elongate shell, a bottom and a cap, wherein the interior is divided by internals into a backmixed zone and a zone of limited backmixing, wherein the backmixed zone and the zone of limited backmixing are consecutively traversable by the reaction mixture, wherein the backmixed zone comprises means for introducing gas and liquid and a gas outlet and also comprises at least one mixing apparatus selected from a stirrer, a jet nozzle and means for injecting the gas, and the zone of limited backmixing comprises a reaction product outlet, a first cylindrical internal element which in the interior extends in the longitudinal direction of the reactor and which delimits the zone of limited backmixing from the backmixed zone, backmixing-preventing second internal elements in the form of random packings, structured packings or liquid-permeable trays arranged in the zone of limited backmixing and a riser tube whose lower end is arranged within the backmixed zone and whose upper end opens into the zone of limited backmixing so that liquid from the backmixed zone can ascend into the zone of limited backmixing via the riser tube, wherein flow into the zone of limited backmixing enters from below. The reactor is configured such that the high-pressure reaction space is optimally utilized and contamination of workup steps or subsequent reactions arranged downstream of the high-pressure reaction with foam is substantially avoided. The invention further relates to a process for performing a continuous gas/liquid biphasic high-pressure reaction in the reactor.

    METHOD FOR CARRYING OUT A GAS/FLUID TWO-PHASE HIGH-PRESSURE REACTION
    6.
    发明申请
    METHOD FOR CARRYING OUT A GAS/FLUID TWO-PHASE HIGH-PRESSURE REACTION 有权

    公开(公告)号：US20210354101A1

    公开(公告)日：2021-11-18

    申请号：US17274110

    申请日：2019-09-03

    Applicant: BASF SE

    Inventor： Oliver BEY ,  Peter ZEHNER ,  Andreas KELLER ,  Stephanie RENZ ,  Mathias SCHELWIES ,  Rocco PACIELLO ,  Martin HAUBNER ,  Guenter WEGNER ,  Gerd TEBBEN ,  Gunnar HEYDRICH ,  Georg SEEBER

    IPC: B01J10/00 ,  B01J3/04 ,  B01J3/02 ,  B01J4/00 ,  C07C45/62 ,  B01J31/24

    Abstract: A process for performing a continuous gas/liquid biphasic high-pressure reaction, wherein a gas and a liquid are introduced into a backmixed zone of a reactor and in the backmixed zone the gas is dispersed in the liquid by stirring, injection of gas and/or a liquid jet, a reaction mixture consecutively traverses the backmixed zone and a zone of limited backmixing, and a liquid reaction product is withdrawn at a reaction product outlet of the zone of limited backmixing, wherein the reactor comprises: an interior formed by a cylindrical vertically oriented elongate shell, a bottom and a cap, wherein the interior is divided by means of internals into the backmixed zone, the zone of limited backmixing and a cavity, a first cylindrical internal element which in the interior extends in the longitudinal direction of the reactor and which delimits the zone of limited backmixing from the backmixed zone, backmixing-preventing second internal elements in the form of random packings, structured packings or liquid-permeable trays arranged in the zone of limited backmixing and a third internal element which in the interior extends in the longitudinal direction of the reactor and is open at the bottom, wherein the third internal element forms the cavity in which gas bubbles collect and do not escape upwards, thus preventing the volume of the cavity from being occupied by liquid and reducing the reaction volume. The reaction volume of the reactor used in the process can be reversibly reduced in simple fashion. The invention further relates to a process for adapting the reaction volume of a reactor suitable for performing a gas/liquid biphasic high-pressure reaction having an outlet for a liquid reaction product in which an internal element is arranged so as to form a cavity open at the bottom in which gas bubbles collect and do not escape upwards, thus preventing the volume of the cavity from being occupied by liquid and reducing the reaction volume.

    REACTOR FOR CARRYING OUT A REACTION BETWEEN TWO NON-MISCIBLE FLUIDS OF DIFFERENT DENSITIES
    7.
    发明申请
    REACTOR FOR CARRYING OUT A REACTION BETWEEN TWO NON-MISCIBLE FLUIDS OF DIFFERENT DENSITIES 有权

    公开(公告)号：US20210275987A1

    公开(公告)日：2021-09-09

    申请号：US17274148

    申请日：2019-09-03

    Applicant: BASF SE

    Inventor： Oliver BEY ,  Peter ZEHNER ,  Mathias SCHELWIES ,  Rocco PACIELLO ,  Martin HAUBNER ,  Guenter WEGNER ,  Gerd TEBBEN ,  Gunnar HEYDRICH ,  Georg SEEBER ,  Michael ACKER

    IPC: B01J19/26 ,  C07C45/62 ,  B01J19/24 ,  B01J19/00

    Abstract: A reactor for performing a reaction between two immiscible fluids of different density, comprising an interior formed by a cylindrical, vertically oriented elongate shell, a bottom and a cap, wherein the interior is divided by internals into a backmixed zone, a zone of limited backmixing preferably arranged below the backmixed zone and a plug-flow zone which are at least consecutively traversable by one of the fluids, wherein the backmixed zone comprises at least one inlet and the plug-flow zone comprises an outlet and the backmixed zone comprises at least one mixing apparatus selected from a stirrer, a jet nozzle and means for injecting the fluid of lower density, a first cylindrical internal element which in the interior extends in the longitudinal direction of the reactor, which delimits the zone of limited backmixing from the plug-flow zone and which comprises a first passage to the backmixed zone and a second passage to the plug-flow zone, a second internal element which delimits the backmixed zone from the plug-flow zone such that there is no direct fluid connection between the backmixed zone and the plug-flow zone, and backmixing-preventing third internal elements in the form of random packings, structured packings or liquid-permeable trays arranged in the zone of limited backmixing. The reactor allows an optimal residence time distribution in the reaction of the two immiscible fluids of different density. The invention further relates to a process for performing a continuous reaction in the reactor.

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