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25 records (took 0.021 seconds)

    1.
    发明专利
    未知

    公开(公告)号：DK1599768T3

    公开(公告)日：2008-01-28

    申请号：DK04709208

    申请日：2004-02-09

    Applicant: BASF AG

    Inventor： RUHNKE JUERGEN ,  KATZ TORSTEN ,  ASPRION NORBERT ,  GROSSMANN CHRISTOPH ,  HEGNER BERND

    IPC: G05B17/00 ,  G05B17/02

    Abstract: Method for simulation of mass transport controlled separation processes in which a core-film layer is used to describe a mass exchange taking place at a phase border (P). According to the approach, an iterative solution of an implicit differential equation system is undertaken for discretization of an observed transfer area (10) of the core-film layer, from which the differential equation system, especially based on the Stefan-Maxwell equation, is generated. An independent claim is made for a device for simulation of mass transport controlled separation processes in which a core-film layer is used to describe a mass exchange taking place at a phase border.

    3.
    发明专利
    未知

    公开(公告)号：AT375534T

    公开(公告)日：2007-10-15

    申请号：AT04709208

    申请日：2004-02-09

    Applicant: BASF AG

    Inventor： ASPRION NORBERT ,  GROSSMANN CHRISTOPH ,  HEGNER BERND ,  RUHNKE JUERGEN ,  KATZ TORSTEN

    IPC: G05B17/00 ,  G05B17/02

    Abstract: Method for simulation of mass transport controlled separation processes in which a core-film layer is used to describe a mass exchange taking place at a phase border (P). According to the approach, an iterative solution of an implicit differential equation system is undertaken for discretization of an observed transfer area (10) of the core-film layer, from which the differential equation system, especially based on the Stefan-Maxwell equation, is generated. An independent claim is made for a device for simulation of mass transport controlled separation processes in which a core-film layer is used to describe a mass exchange taking place at a phase border.

    5.
    发明专利
    未知

    公开(公告)号：AT245469T

    公开(公告)日：2003-08-15

    申请号：AT99931156

    申请日：1999-06-23

    Applicant: BASF AG

    Inventor： GROSSMANN CHRISTOPH ,  HAENZEL KARL-HEINZ ,  KOLASSA DIETER ,  ASPRION NORBERT

    IPC: B01D53/14 ,  C10K1/10 ,  C10K1/14 ,  C10L3/10

    Abstract: A process for removing acidic gas constituents, of the group consisting of CO2, H2S, COS, CS2 and mercaptans, from gases, in which, in an absorption step, a dirty gas rich in acidic gas constituents is brought into contact with an absorption medium, as a result of which a clean gas low in acidic gas constituents and an absorption medium laden with acidic gas constituents are obtained, the absorption medium used being a mixture comprisinga) from 0.1 to 50% by weight of one or more mono-cyclic or bicyclic nitrogen heterocycles which are unsubstituted and/or monosubstituted or poly-substituted on the carbon by OH, C1-C3 alkyl and/or C1-C3 hydroxyalkyl and which have from 5 to 14 ring atoms and 1 or 2 heterocyclically bound nitrogen atoms per ring as component A,b) from 1 to 60% by weight of a monohydric and/or polyhydric alcohol as component B,c) from 0 to 60% by weight of an aliphatic aminoalcohol as component C,d) from 0 to 98.9% by weight of water as component D,e) from 0 to 35% by weight of K2CO3 as component E,where the sum of components A, B, C, D and E is 100% by weight.

    Method for neutralising a stream of fluid, and washing liquid for use in one such method
    6.
    发明专利
    Method for neutralising a stream of fluid, and washing liquid for use in one such method 未知

    公开(公告)号：AU8974001A

    公开(公告)日：2002-02-05

    申请号：AU8974001

    申请日：2001-07-24

    Applicant: BASF AG

    Inventor： ASPRION NORBERT ,  GROSSMANN CHRISTOPH

    IPC: B01D3/00 ,  B01D11/04 ,  B01D53/14

    Abstract: A description is given of the use of an alkylenediamine of the type R 1 HN-X-NHR 2 , where X is an alkylene radical having from 2 to 9 carbons, R 1 is a hydrocarbon radical having from 1 to 6 carbons and R 2 is a hydrocarbon radical having from 1 to 6 carbons or is hydrogen (H) for removing sour gases from a sour-gas-containing fluid stream, and of a process for deacidifying a fluid stream of this type and a wash liquid or absorption liquid for use in such a process. According to the invention, in at least one absorption step, the fluid stream is brought into intimate contact with a wash liquid, the wash liquid comprising an aqueous amine solution which comprises at least one tertiary aliphatic alkanolamine having from 2 to 12 carbons and an activator of the above type R 1 HN-X-NHR 2 . The fluid stream which is substantially freed from sour gases and the sour-gas-loaded wash liquid are then separated from one another.

    Method for removing mercaptans from fluid fluxes
    7.
    发明专利
    Method for removing mercaptans from fluid fluxes 未知

    公开(公告)号：AU6693800A

    公开(公告)日：2001-02-05

    申请号：AU6693800

    申请日：2000-07-14

    Applicant: BASF AG

    Inventor： HUGO RANDOLF ,  WAGNER RUPERT ,  HOLST THOMAS S ,  GROSSMANN CHRISTOPH

    IPC: B01D53/14 ,  C10L3/10

    Abstract: The disclosure concerns a process for removing mercaptans from fluid streams comprising same, especially from hydrocarbon gas streams, for example natural gas, synthesis gas from heavy oil or heavy residues or refinery gas, or else from liquid hydrocarbons, for example LPG (liquefied petroleum gas). The invention comprises intimately contacting the fluid stream in an absorption or extraction zone with a scrubbing liquor comprising at least one aliphatic alkanolamine of 2-12 carbon atoms, the amount of wash liquor being supplied to the absorption or extraction zone being sufficient to remove at least CO2 and H2S essentially completely from the fluid stream, and separating the substantially decontaminated fluid stream and the contaminated wash liquor and discharging them from the absorption zone. The substantially complete removal of CO2 and H2S is accompanied by the removal from the gas, stream of a very large portion of the mercaptans as well, without a significant fraction of the hydrocarbon gases dissolving in the wash liquor.

    10.
    发明专利
    未知

    公开(公告)号：ID29380A

    公开(公告)日：2001-08-30

    申请号：ID20002697

    申请日：1999-06-23

    Applicant: BASF AG

    Inventor： GROSSMANN CHRISTOPH ,  HANZEL KARL HEINZ ,  KOLASSA DIETER ,  ASPRION NORBERT

    IPC: B01D53/14 ,  C10K1/10 ,  C10K1/14 ,  C10L3/10

    Abstract: A process for removing acidic gas constituents, of the group consisting of CO2, H2S, COS, CS2 and mercaptans, from gases, in which, in an absorption step, a dirty gas rich in acidic gas constituents is brought into contact with an absorption medium, as a result of which a clean gas low in acidic gas constituents and an absorption medium laden with acidic gas constituents are obtained, the absorption medium used being a mixture comprisinga) from 0.1 to 50% by weight of one or more mono-cyclic or bicyclic nitrogen heterocycles which are unsubstituted and/or monosubstituted or poly-substituted on the carbon by OH, C1-C3 alkyl and/or C1-C3 hydroxyalkyl and which have from 5 to 14 ring atoms and 1 or 2 heterocyclically bound nitrogen atoms per ring as component A,b) from 1 to 60% by weight of a monohydric and/or polyhydric alcohol as component B,c) from 0 to 60% by weight of an aliphatic aminoalcohol as component C,d) from 0 to 98.9% by weight of water as component D,e) from 0 to 35% by weight of K2CO3 as component E,where the sum of components A, B, C, D and E is 100% by weight.

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