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    VERFAHREN ZUR HERSTELLUNG VON 1,3-BUTADIEN AUS N-BUTENEN DURCH OXIDATIVE DEHYDRIERUNG IN KREISGASFAHRWEISE MIT CO2-ANGEREICHERTEM KREISGAS
    1.
    发明申请
    VERFAHREN ZUR HERSTELLUNG VON 1,3-BUTADIEN AUS N-BUTENEN DURCH OXIDATIVE DEHYDRIERUNG IN KREISGASFAHRWEISE MIT CO2-ANGEREICHERTEM KREISGAS 审中-公开

    公开(公告)号：WO2018219996A1

    公开(公告)日：2018-12-06

    申请号：PCT/EP2018/064159

    申请日：2018-05-30

    Applicant: BASF SE ,  LINDE AG

    Inventor： UNGELENK, Jan ,  HAMMON, Ulrich ,  HAMMEN, Oliver ,  WALSDORFF, Christian ,  KENNEMA, Marco Oskar ,  JOSCH, Jan Pablo ,  WENNING, Ulrike ,  WELLENHOFER, Anton ,  TOEGEL, Christine ,  REYNEKE, Hendrik

    IPC: C07C5/48 ,  C07C7/00 ,  C07C7/09 ,  C07C7/11 ,  C07C11/167

    CPC classification number: C07C5/48 ,  C07C7/005 ,  C07C7/09 ,  C07C7/11 ,  C07C11/167

    Abstract: Verfahren zur Herstellung von Butadien aus n-Butenen mit den Schritten: A) Bereitstellung eines n-Butene enthaltenden Einsatzgasstroms a1, B) Einspeisung des n-Butene enthaltenden Einsatzgasstromes a1, eines sauerstoffhaltigen Gases und eines Kreisgasstroms a2 in mindestens eine oxidative Dehydrierzone und oxidative Dehydrierung von n-Butenen zu Butadien, wobei ein Produktgasstrom b enthaltend Butadien, nicht umgesetzte n-Butene, Wasserdampf, Sauerstoff, leicht siedende Kohlenwasserstoffe, hochsiedende Nebenkomponenten, gegebenenfalls Kohlenstoffoxide und gegebenenfalls Inertgase erhalten wird, Ca) Abkühlung des Produktgasstroms b und gegebenenfalls zumindest teilweise Abtrennung von hochsiedenden Nebenkomponenten und von Wasserdampf, wobei ein Produktgasstrom b' erhalten wird, Cb) Kompression und Kühlung des Produktgasstroms b' in mindestens einer Kompressions- und Kühlungsstufe, wobei mindestens ein wässriger Kondensatstrom c1 und ein Gasstrom c2 enthaltend Butadien, n-Butene, Wasserdampf, Sauerstoff, leicht siedende Kohlenwasserstoffe, gegebenenfalls Kohlenstoffoxide und gegebenenfalls Inertgase erhalten wird, Da) Absorption der C 4 -Kohlenwasserstoffe umfassend Butadien und n-Butene in einem aromatischen Kohlenwasserstofflösungsmittel als Absorptionsmittel und Abtrennung von nicht kondensierbaren und leicht siedenden Gasbestandteilen umfassend Sauerstoff, leicht siedende Kohlenwasserstoffe, gegebenenfalls Kohlenstoffoxide, aromatisches Kohlenwasserstofflösungsmittel und gegebenenfalls Inertgase als Gasstrom d2 aus dem Gasstrom c2, wobei ein mit C 4 -Kohlenwasserstoffen beladener Absorptionsmittelstrom und der Gasstrom d2 erhalten werden, und anschließende Desorption der C 4 -Kohlenwasserstoffe aus dem beladenen Absorptionsmittelstrom, wobei ein C 4 -Produktgasstrom d1 erhalten wird, Db) zumindest teilweise Rückführung des Gasstroms d2 als Kreisgasstrom a2 in die oxidative Dehydrierzone, dadurch gekennzeichnet, dass der Gehalt an Kohlendioxid im Kreisgasstrom a2 auf mindestens 4 Vol.-% eingestellt wird.

    OPTIMIZATION OF GEOMETRY OF SHAPED BODY AND MANUFACTURING TOOLS
    3.
    发明申请
    OPTIMIZATION OF GEOMETRY OF SHAPED BODY AND MANUFACTURING TOOLS 审中-公开

    公开(公告)号：WO2021105270A1

    公开(公告)日：2021-06-03

    申请号：PCT/EP2020/083483

    申请日：2020-11-26

    Applicant: BASF SE

    Inventor： KAUFMAN RECHULSKI, Marcelo Daniel ,  ROMERO VALLE, Miguel Angel ,  LIPP, Stefan ,  KENNEMA, Marco Oskar ,  WAGNER, Matthias Johannes

    IPC: G06F30/20 ,  G06F30/17 ,  G06F111/06

    Abstract: A computer-implemented method (124) for designing at least one shaping tool (126), a computer-implemented method (138) for designing a manufacturing process for manufacturing at least one shaped body (112), a shaping tool designing system (170) for designing at least one shaped body (112) and a manufacture-designing system for designing a manufacturing process for manufacturing at least one shaped body (112). The computer-implemented method (124) for designing at least one shaped body (112) comprises: i) retrieving, by using at least one interface (172), at least one set of shaping target criteria for the shaping tool (126); ii) defining, by using at least one geometry defining unit (174), at least one starting geometry for the shaping tool (126); ill) generating, by using at least one shaping parameter generating unit (176), a set of shaping parameters comprising at least one shape geometry parameter of the starting geometry; iv) simulating, by using at least one simulation unit (178), a shaping process using the shaping tool (126) by varying values of the set of shaping parameters and by comparing simu- lated shaping properties for these values with the set of shaping target criteria, thereby generating at least one shaping geometry with an adapted set of shaping parameters for which the shaping target criteria are fulfilled at least within predetermined tolerances; and v) determining, by using at least one shaping tool geometry defining unit (180), at least one geometry of the at least one shaping tool (126) from the adapted set of shaping parameters.

    CATALYST FOR PRODUCING ETHYLENE OXIDE BY GAS-PHASE OXIDATION
    5.
    发明申请
    CATALYST FOR PRODUCING ETHYLENE OXIDE BY GAS-PHASE OXIDATION 审中-公开

    公开(公告)号：WO2020078657A1

    公开(公告)日：2020-04-23

    申请号：PCT/EP2019/075187

    申请日：2019-09-19

    Applicant: BASF SE

    Inventor： KARPOV, Andrey ,  KENNEMA, Marco Oskar ,  DUYCKAERTS, Nicolas ,  WALSDORFF, Christian ,  BARTOSCH, Christian ,  ZUEHLKE, Juergen ,  ROMERO VALLE, Miguel Angel

    IPC: B01J37/02 ,  B01J21/04 ,  B01J23/68 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10

    Abstract: A shaped catalyst body for producing ethylene oxide by gas-phase oxidation of ethylene, comprising silver deposited on a porous refractory support, the shaped catalyst body having a first face side surface, a second face side surface and a circumferential surface, characterized by a content of at least 20 wt.-% of silver, relative to the total weight of the shaped catalyst body; a multilobe structure; a plurality of passageways extending from the first face side surface to the second face side surface, outer passageways being arranged around a central passageway with one outer passageway being assigned to each lobe, wherein neighboring outer passageways are arranged essentially equidistantly to each other and the outer passageways are arranged essentially equidistantly to the central passageway; a minimum wall thickness A between two neighboring passageways in the range of 0.6 to 1.3 mm; a minimum wall thickness B between each outer passageway and the circumferential surface in the range of 1.1 to 1.8 mm; and a BET surface area in the range of 1.6 to 3.0 m 2 /g. The shaped catalyst bodies allow for a favorable balance between mechanical stability, pressure drop and selectivity. The invention also relates to a process for producing ethylene oxide by gas-phase oxidation of ethylene, comprising reacting ethylene and oxygen in the presence of a shaped catalyst body as defined above. The invention further relates to a process for preparing a shaped catalyst body as above, comprising i) impregnating a refractory support having a BET surface area in the range of 1.4 to 2.5 m 2 /g with a silver impregnation solution; and ii) subjecting the impregnated refractory support to a calcination process; wherein steps i) and ii) are optionally repeated.

    CATALYST FOR PRODUCING ETHYLENE OXIDE BY GAS-PHASE OXIDATION
    7.
    发明申请
    CATALYST FOR PRODUCING ETHYLENE OXIDE BY GAS-PHASE OXIDATION 审中-公开

    公开(公告)号：WO2020108872A1

    公开(公告)日：2020-06-04

    申请号：PCT/EP2019/078696

    申请日：2019-10-22

    Applicant: BASF SE

    Inventor： KARPOV, Andrey ,  KENNEMA, Marco Oskar ,  DUYCKAERTS, Nicolas ,  WALSDORFF, Christian ,  ROMERO VALLE, Miguel Angel ,  BARTOSCH, Christian ,  ZUEHLKE, Juergen

    IPC: B01J37/02 ,  B01J19/30 ,  B01J23/50 ,  B01J23/66 ,  B01J23/68 ,  B01J35/02 ,  B01J35/10 ,  C07D301/10

    Abstract: A shaped catalyst body for producing ethylene oxide by gas-phase oxidation of ethylene, comprising silver deposited on a porous refractory support, the shaped catalyst body having a first face side surface, a second face side surface and a circumferential surface, characterized by a content of at least 20 wt.-% of silver, relative to the total weight of the shaped catalyst body; a cylinder structure with n void spaces running in the cylinder periphery along the cylinder height to form an n-lobed structure, wherein n is 2, 3, 4, 5 or 6; n passageways extending from the first face side surface to the second face side surface, each passageway being assigned to one lobe, wherein neighboring passageways are arranged essentially equidistantly to each other; an n-fold rotational symmetry; a shortest distance A between two neighboring passageways in the range of 1.0 to 2.0 mm; a shortest distance B between each passageway and the circumferential surface in the range of 1.1 to 2.0 mm; and a BET surface area in the range of 1.6 to 3.0 m 2 /g. The shaped catalyst bodies allow for a favorable balance between mechanical stability, pressure drop and selectivity. The invention further relates to a reactor tube packed with a plurality of shaped catalyst bodies as defined above, wherein the ratio of the diameter of the circumscribed circle d cc of the shaped catalyst bodies to the inner diameter of the reactor tube is in the range of 0.15 to 0.35. The invention also relates to a process for producing ethylene oxide by gas-phase oxidation of ethylene, comprising reacting ethylene and oxygen in the presence of a shaped catalyst body as defined above. The invention further relates to a process for preparing a shaped catalyst body as defined above, comprising i) impregnating a refractory support having a BET surface area in the range of 1.4 to 2.5 m 2 /g with a silver impregnation solution; and ii) subjecting the impregnated refractory support to a calcination process; wherein steps i) and ii) are optionally repeated.

    PROCESS FOR PRODUCING ETHYLENE OXIDE BY GAS-PHASE OXIDATION OF ETHYLENE
    9.
    发明申请
    PROCESS FOR PRODUCING ETHYLENE OXIDE BY GAS-PHASE OXIDATION OF ETHYLENE 审中-公开

    公开(公告)号：WO2020078658A1

    公开(公告)日：2020-04-23

    申请号：PCT/EP2019/075188

    申请日：2019-09-19

    Applicant: BASF SE

    Inventor： KARPOV, Andrey ,  KENNEMA, Marco Oskar ,  DUYCKAERTS, Nicolas ,  WALSDORFF, Christian ,  BARTOSCH, Christian ,  ZUEHLKE, Juergen ,  ROMERO VALLE, Miguel Angel

    IPC: B01J37/02 ,  B01J21/04 ,  B01J23/68 ,  B01J35/00 ,  B01J35/02 ,  B01J35/10

    Abstract: A process for producing ethylene oxide by gas-phase oxidation of ethylene, comprising: directing a feed comprising gaseous ethylene and gaseous oxygen through a packing of individual shaped catalyst bodies, under conditions conducive to obtain a reaction mixture containing at least 2.7 vol.-% of ethylene oxide, wherein each shaped catalyst body comprises silver deposited on a refractory support and is characterized by a content of at least 20 wt.-% of silver, relative to the total weight of the shaped catalyst body; a BET surface area in the range of 1.6 to 3.0 m 2 /g; a first face side surface, a second face side surface and a circumferential surface with a plurality of passageways extending from the first face side surface to the second face side surface; and a uniform multilobed cross-section; and a longest direct diffusion pathway d, with 2d being in the range of 0.7 to 2.4 mm, wherein the longest diffusion pathway d is defined as the shortest distance from the geometric surface of the shaped catalyst body to a point inside the structure of the shaped catalyst body for which point the shortest distance is the largest among all points. The process allows for increased activity and/or stability of the catalyst while maintaining or increasing selectivity at high productivity.

    OPTIMIZATION OF GEOMETRY OF SHAPED BODY AND MANUFACTURING TOOLS
    10.
    发明申请
    OPTIMIZATION OF GEOMETRY OF SHAPED BODY AND MANUFACTURING TOOLS 审中-公开

    公开(公告)号：WO2021105277A1

    公开(公告)日：2021-06-03

    申请号：PCT/EP2020/083493

    申请日：2020-11-26

    Applicant: BASF SE

    Inventor： KAUFMAN RECHULSKI, Marcelo Daniel ,  ROMERO VALLE, Miguel Angel ,  LIPP, Stefan ,  KENNEMA, Marco Oskar ,  WAGNER, Matthias Johannes

    IPC: G06F30/10 ,  G06F30/20 ,  G06F30/27 ,  G06F111/06

    Abstract: A computer-implemented method (110) for designing at least one shaped body (112), a computer-implemented method (138) for designing a manufacturing process for manufacturing at least one shaped body (112), a designing system (152) for designing at least one shaped body (112) and a manufacture-designing system for designing a manufacturing process for manufacturing at least one shaped body (112). The computer-implemented method (110) for designing at least one shaped body (112) comprises: a) retrieving, by using at least one interface (154), at least one set of target criteria for the shaped body (112); b) defining, by using at least one geometry defining unit (156), at least one seed geometry for the shaped body (112); c) generating, by using at least one parameter generating unit (158), a set of parameters comprising at least one geometry parameter of the seed geometry; d) simulating, by using at least one simulation unit (160), the shaped body by varying values of the set of parameters and by corn-paring simulated criteria for these values with the set of target criteria, thereby generating at least one adapted set of parameters for which the target criteria are fulfilled at least within predetermined tolerances; and e) determining, by using at least one lead candidate geometry defining unit (162), at least one lead candidate geometry of the at least one shaped body (112) from the adapted set of parameters.

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