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    Absorbent for selective removal of hydrogen sulfide from a fluid stream
    1.
    发明授权
    Absorbent for selective removal of hydrogen sulfide from a fluid stream 有权

    公开(公告)号：US10464013B2

    公开(公告)日：2019-11-05

    申请号：US15506451

    申请日：2015-08-20

    Applicant: BASF SE

    Inventor： Gerald Vorberg ,  Ralf Notz ,  Thomas Ingram ,  Georg Sieder ,  Torsten Katz

    IPC: B01D53/14 ,  B01D53/78 ,  B01D53/96 ,  C07C217/08 ,  C07C217/28 ,  C07C217/42 ,  C10L3/10

    Abstract: An absorbent for selective removal of hydrogen sulfide from a fluid stream comprises an aqueous solution of a) a tertiary amine, b) a sterically hindered secondary amine of the general formula (I) in which R1 and R2 are each independently selected from C1-4-alkyl and C1-4-hydroxyalkyl; R3, R4, R5 and R6 are each independently selected from hydrogen, C1-4-alkyl and C1-4-hydroxyalkyl, with the proviso that at least one R4 and/or R5 radical on the carbon atom bonded directly to the nitrogen atom is C1-4-alkyl or C1-4-hydroxyalkyl when R3 is hydrogen; x and y are integers from 2 to 4 and z is an integer from 1 to 4; where the molar ratio of b) to a) is in the range from 0.05 to 1.0, and c) an acid in an amount, calculated as neutralization equivalent relative to the protonatable nitrogen atoms in a) and b), of 0.05 to 15.0%. One preferred amine of the formula I is 2-(2-tert-butylaminoethoxy)ethanol. The absorbent allows a defined H2S selectivity to be set at pressures of the kind typical in natural gas processing.

    SIMULATION OF UNIT OPERATIONS OF A CHEMICAL PLANT FOR ACID GAS REMOVAL
    3.
    发明申请
    SIMULATION OF UNIT OPERATIONS OF A CHEMICAL PLANT FOR ACID GAS REMOVAL 有权

    公开(公告)号：US20210271796A1

    公开(公告)日：2021-09-02

    申请号：US17276762

    申请日：2019-09-16

    Applicant: BASF SE

    Inventor： Agnes Dittel ,  Ralf Notz ,  Sergey Vorobyev ,  Rainer Herget ,  Torsten Katz ,  Gerald Vorberg ,  Kim Hoeffken

    IPC: G06F30/331 ,  G06F17/11 ,  B01D53/04 ,  H04L12/26 ,  B01D53/14

    Abstract: The present invention is related to a method for determination of unit operations of a chemical plant for acid gas removal, the method carried out by a computer or a distributed computer system and the method comprising the steps of: providing (S1) a first set of parameters for the unit operations; providing (S2) a second set of parameters for the unit operations based on the provided first set of parameters and based on data retrieved from a database; determining (S3) a digital model of the chemical plant based on the first set of parameters and the second set of parameters, wherein the digital model comprises a system of equations defining the unit operations of the chemical plant; selecting (S4) starting points for an equation-based solution method of the system of equations, wherein the starting points are at least partially selected from the: —i) the first set of parameters; —ii) the second set of parameters; and —iii) the data retrieved from the database; determining (S5) resultant settings for the unit operations of the chemical plant using the equation-based solution method for the system of equations initialized by the selected starting points.

    REMOVING SULPHUR OXIDES FROM A FLUID STREAM
    4.
    发明申请
    REMOVING SULPHUR OXIDES FROM A FLUID STREAM 有权
    从流体流中清除硫氧化物

    公开(公告)号：US20130259789A1

    公开(公告)日：2013-10-03

    申请号：US13782290

    申请日：2013-03-01

    Applicant: BASF SE ,  RESEARCH TRIANGLE INSTITUTE

    Inventor： Torsten Katz ,  Christian Riemann ,  Karsten Bartling ,  Sean Taylor Rigby ,  Luke James Ivor Coleman ,  Marty Alan Lail

    IPC: B01D53/50

    CPC classification number: B01D53/507

    Abstract: A process for removing sulphur oxides from a fluid stream, such as flue gas, that comprises a) providing a non-aqueous absorption liquid containing at least one hydrophobic amine, the non-aqueous absorption liquid being incompletely miscible with water: b) treating the fluid stream in an absorption zone with the non-aqueous absorption liquid to transfer at least part of the sulphur oxides into the non-aqueous absorption liquid and to form a sulphur oxide-hydrophobic amine-complex: c) causing the non-aqueous absorption liquid to be in liquid-liquid contact with an aqueous liquid whereby at least part of the sulphur oxide-hydrophobic amine-complex is hydrolyzed to release the hydrophobic amine and sulphurous hydrolysis products, and at least part of the sulphurous hydrolysis products is transferred into the aqueous liquid; d) separating the aqueous liquid from the non-aqueous absorption liquid. The process mitigates absorbent degradation problems caused by sulphur dioxide and oxygen in flue gas.

    Abstract translation: 一种从流体流如烟道气中除去硫氧化物的方法，其包括：a）提供含有至少一种疏水性胺的非水性吸收液体，所述非水性吸收液体与水不完全混溶：b） 吸收区中的流体物流与非水吸收液体一起将至少部分硫氧化物转移到非水吸收液体中并形成硫氧化物疏水胺络合物：c）使非水吸收液体 与水性液体液液接触，由此至少部分硫氧化物 - 疏水胺络合物被水解以释放疏水性胺和亚硫酸水解产物，并且至少部分硫代水解产物转移到水性 液体; d）将水性液体与非水性吸收液体分离。 该过程减轻了烟气中二氧化硫和氧气引起的吸收降解问题。

    REMOVING ACID GASES FROM WATER VAPOUR-CONTAINING FLUID STREAMS
    5.
    发明申请
    REMOVING ACID GASES FROM WATER VAPOUR-CONTAINING FLUID STREAMS 有权
    从含水蒸汽流体流中去除酸性气体

    公开(公告)号：US20130230440A1

    公开(公告)日：2013-09-05

    申请号：US13780377

    申请日：2013-02-28

    Applicant: BASF SE

    Inventor： Torsten Katz ,  Christian Riemann ,  Georg Sieder

    IPC: B01D53/14

    CPC classification number: B01D53/1456 ,  B01D53/1425 ,  B01D53/1475 ,  B01D53/1493 ,  B01D53/263 ,  B01D53/265 ,  B01D2252/202 ,  B01D2252/2053 ,  B01D2252/40 ,  B01D2252/504 ,  B01D2256/24 ,  B01D2257/302 ,  B01D2257/304 ,  B01D2257/306 ,  B01D2257/308 ,  B01D2257/408 ,  B01D2257/504 ,  B01D2257/80 ,  B01D2258/0283 ,  B01D2258/05

    Abstract: A process for removing acid gases from a water vapour-containing fluid stream comprises a) providing an absorption liquid which is incompletely miscible with water; b) treating the fluid stream in an absorption zone with the absorption liquid to obtain an acid gas-depleted treated fluid stream and an acid gas-loaded absorption liquid; c) directing the treated fluid stream to a rehydration zone and treating the fluid stream with an aqueous liquid to volatilize at least part of the aqueous liquid; d) regenerating the loaded absorption liquid to expel the acid gases at least in part and obtain a regenerated absorption liquid, and directing the regenerated absorption liquid to step b); and e) separating, from the absorption liquid, an aqueous liquid that has condensed in the absorption zone, and directing the aqueous liquid to step c). The process allows for an efficient removal of water accumulated in the absorption liquid system.

    Abstract translation: 从含水蒸汽的流体流中除去酸性气体的方法包括：a）提供与水不完全混溶的吸收液体; b）用吸收液处理吸收区中的流体流以获得贫酸废气处理流体流和酸性气体负载吸收液; c）将经处理的流体流引导至再水化区并用水性液体处理流体物流以使至少部分水性液体挥发; d）再生装载的吸收液体至少部分地排出酸性气体，并获得再生的吸收液体，并将再生的吸收液体引导到步骤b）; 以及e）从吸收液体中分离在吸收区中冷凝的水性液体，并将水性液体引导到步骤c）。 该方法允许有效地去除积聚在吸收液体系统中的水。

    Removing sulphur oxides from a fluid stream
    7.
    发明授权
    Removing sulphur oxides from a fluid stream 有权
    从流体流中去除硫氧化物

    公开(公告)号：US08691171B2

    公开(公告)日：2014-04-08

    申请号：US13782290

    申请日：2013-03-01

    Applicant: BASF SE ,  Research Triangle Institute

    Inventor： Torsten Katz ,  Christian Riemann ,  Karsten Bartling ,  Sean Taylor Rigby ,  Luke James Ivor Coleman ,  Marty Alan Lail

    IPC: B01D53/50

    CPC classification number: B01D53/507

    Abstract: A process for removing sulphur oxides from a fluid stream, such as flue gas, comprising: providing a non-aqueous absorption liquid containing at least one hydrophobic amine, the liquid being incompletely miscible with water; treating the fluid stream in an absorption zone with the non-aqueous absorption liquid to transfer at least part of the sulphur oxides into the non-aqueous absorption liquid and to form a sulphur oxide-hydrophobic amine-complex; causing the non-aqueous absorption liquid to be in liquid-liquid contact with an aqueous liquid whereby at least part of the sulphur oxide-hydrophobic amine-complex is hydrolyzed to release the hydrophobic amine and sulphurous hydrolysis products, and at least part of the sulphurous hydrolysis products is transferred into the aqueous liquid; separating the aqueous liquid from the non-aqueous absorption liquid. The process mitigates absorbent degradation problems caused by sulphur dioxide and oxygen in flue gas.

    Abstract translation: 一种从流体物流如烟道气中除去硫氧化物的方法，包括：提供含有至少一种疏水性胺的非水性吸收液体，该液体与水不完全混溶; 用非水吸收液处理吸收区中的流体物流，将至少部分硫氧化物转移到非水吸收液体中并形成硫氧化物疏水性胺络合物; 使得非水性吸收液体与水性液体液液接触，由此至少部分硫氧化物 - 疏水性胺络合物被水解以释放疏水性胺和亚硫酸盐水解产物，并且至少部分硫化物 水解产物转移到水性液体中; 从非水性吸收液中分离含水液体。 该过程减轻了烟气中二氧化硫和氧气引起的吸收降解问题。

    Absorbent for selective removal of hydrogen sulfide from a fluid stream
    9.
    发明授权
    Absorbent for selective removal of hydrogen sulfide from a fluid stream 有权

    公开(公告)号：US11369919B2

    公开(公告)日：2022-06-28

    申请号：US16556903

    申请日：2019-08-30

    Applicant: BASF SE

    Inventor： Gerald Vorberg ,  Ralf Notz ,  Thomas Ingram ,  Georg Sieder ,  Torsten Katz

    IPC: B01D53/52 ,  B01D53/14 ,  B01D53/78 ,  B01D53/96 ,  C07C217/08 ,  C07C217/28 ,  C07C217/42 ,  C10L3/10

    Abstract: An absorbent for selective removal of hydrogen sulfide over carbon dioxide from a fluid stream comprises an aqueous solution of a) a tertiary amine, b) a sterically hindered secondary amine of the general formula (I) in which R1 and R2 are each independently selected from C1-4-alkyl and C1-4-hydroxyalkyl; R3, R4, R5 and R6 are each independently selected from hydrogen, C1-4-alkyl and C1-4-hydroxyalkyl, with the proviso that at least one R4 and/or R5 radical on the carbon atom bonded directly to the nitrogen atom is C1-4-alkyl or C1-4-hydroxyalkyl when R3 is hydrogen; x and y are integers from 2 to 4 and z is an integer from 1 to 4; where the molar ratio of b) to a) is in the range from 0.05 to 1.0, and c) an acid in an amount, calculated as neutralization equivalent relative to the protonatable nitrogen atoms in a) and b), of 0.05 to 15.0%. One preferred amine of the formula I is 2-(2-tert-butylaminoethoxy)ethanol. The absorbent allows a defined H2S selectivity to be set at pressures of the kind typical in natural gas processing.

    SIMULATION OF UNIT OPERATIONS OF A CHEMICAL PLANT FOR ACID GAS REMOVAL
    10.
    发明申请
    SIMULATION OF UNIT OPERATIONS OF A CHEMICAL PLANT FOR ACID GAS REMOVAL 审中-公开

    公开(公告)号：US20200089827A1

    公开(公告)日：2020-03-19

    申请号：US16135465

    申请日：2018-09-19

    Applicant: BASF SE

    Inventor： Agnes Dittel ,  Ralf Notz ,  Sergey Vorobyev ,  Rainer Herget ,  Torsten Katz ,  Gerald Vorberg ,  Kim Hoeffken

    IPC: G06F17/50 ,  G06F17/11 ,  B01D53/14 ,  B01D53/04 ,  H04L12/26

    Abstract: The present invention is related to a method for determination of unit operations of a chemical plant for acid gas removal, the method carried out by a computer or a distributed computer system and the method comprising the steps of: providing a first set of parameters for the unit operations; providing a second set of parameters for the unit operations based on the provided first set of parameters and based on data retrieved from a database; determining a digital model of the chemical plant based on the first set of parameters and the second set of parameters, wherein the digital model comprises a system of equations defining the unit operations of the chemical plant; selecting starting points for an equation-based solution method of the system of equations, wherein the starting points are at least partially selected from the: (i) the first set of parameters; (ii) the second set of parameters; and (iii) the data retrieved from the database; determining resultant settings for the unit operations of the chemical plant using the equation-based solution method for the system of equations initialized by the selected starting points.

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