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    PROCESO PARA LA RECUPERACION DE DIOXIDO DE CARBONO
    53.
    发明专利
    PROCESO PARA LA RECUPERACION DE DIOXIDO DE CARBONO 未知

    公开(公告)号：PE20071048A1

    公开(公告)日：2007-10-18

    申请号：PE2006001588

    申请日：2006-12-11

    Applicant: BASF AG ,  JGC CORP

    Inventor： LICHTFERS UTE ,  ASPRION NORBERT ,  CLAESSEN MARK ,  UMINO HIROSHI ,  TANAKA KOJI

    IPC: C01B32/50 ,  B01D53/14

    Abstract: DONDE EL PROCESO COMPRENDE: a)ABSORCION QUE CONSISTE EN PONER UNA CORRIENTE GASEOSA DE ALIMENTACION QUE CONTIENE CO2 EN CONTACTO GAS-LIQUIDO CON UN FLUIDO ABSORBENTE, SIENDO AL MENOS PARTE DEL CO2 PRESENTE EN LA CORRIENTE GASEOSA ABSORBIDA EN EL FLUIDO ABSORBENTE, PARA PRODUCIR (i)UNA CORRIENTE GASEOSA REFINADA CON CONTENIDO REDUCIDO DE CO2, Y ii)UN FLUIDO ABSORBENTE RICO EN CO2; Y, b) REGENERACION QUE CONSISTE EN TRATAR (ii) A UNA PRESION ENTRE 3 Y 10 BAR (PRESION ABSOLUTA) A FIN DE LIBERAR CO2 Y REGENERAR UN FLUIDO ABSORBENTE POBRE EN CO2 QUE SE RECICLA A (a); DONDE EL FLUIDO ABSORBENTE CONTIENE DE 0,5% A 20% EN PESO DE UNA CANTIDAD EFICAZ DE UN PROMOTOR DE LA ABSORCION DE CO2 (PIPERAZINAS, PIPERIDINA Y MORFOLINA) Y DE 20% A 60% EN PESO DE UNA ALCANOL-AMINA ALIFATICA TERCIARIA, DISTINTA DE N-METILDIETANOLAMINA QUE MUESTRA MENOS DE 5% DE DESCOMPOSICION CUANDO UNA SOLUCION ACUOSA DE LA MISMA A UNA CONCENTRACION DE 4 MOL/L SE MANTIENE DURANTE 300 HORAS EN UNA CONDICION DE EQUILIBRIO VAPOR-LIQUIDO A UNA TEMPERATURA DE 162°C Y UNA PRESION TOTAL DE 6,3 BAR (PRESION ABSOLUTA) CON CO-EXISTENCIA DE LA SOLUCION ACUOSA Y CO2. LA ALCANOL-AMINA ALIFATICA TERCIARIA NO CONTIENE EN SU ESTRUCTURA MOLECULAR UN ATOMO DE N SUSTITUIDO A LA VEZ CON UN RESTO 2-HIDROXIETILO Y UN RESTO METILO; O CONTIENE EN SU ESTRUCTURA MOLECULAR UN SOLO ATOMO DE N SUSTITUIDO CON UN RESTO HIDROALQUILO Y DOS RESTOS ALQUILO; Y ES N-ETILDIETANOLAMINA, 2-(DIMETILAMINO)-ETANOL, 2-(DIISOPROPILAMINO)-ETANOL, ENTRE OTROS

    54.
    发明专利
    未知

    公开(公告)号：DE102004011428A1

    公开(公告)日：2005-09-29

    申请号：DE102004011428

    申请日：2004-03-09

    Applicant: BASF AG

    Inventor： ASPRION NORBERT ,  CLAUSEN IVEN ,  LICHTFERS UTE

    IPC: B01D53/14 ,  B01D53/62 ,  B01D53/78 ,  B01D53/96

    Abstract: The invention relates to a method for the removal of carbon dioxide from a gas flow, in which the partial pressure of the carbon dioxide in the gas flow is less than 200 mbar, whereby the gas flow is brought into contact with a liquid absorption agent, comprising an aqueous solution (A) of a tertiary aliphatic amine and (B) an activator of general formula R 1 -NH-R 2 -NH 2 , where R 1 =C 1 -C 6 alkyl and R 2 =C 2 -C 6 alkylene. The method is particularly suitable for treatment of flue gases and also relates to an absorption agent.

    Treating combustion gases containing sulfur- and carbon dioxides, e.g. from power stations, by two-stage scrubbing with aqueous calcium hydroxide or carbonate then e.g. amine or potassium hydroxide solution
    55.
    发明专利
    Treating combustion gases containing sulfur- and carbon dioxides, e.g. from power stations, by two-stage scrubbing with aqueous calcium hydroxide or carbonate then e.g. amine or potassium hydroxide solution 未知

    公开(公告)号：DE10340349A1

    公开(公告)日：2005-03-24

    申请号：DE10340349

    申请日：2003-09-02

    Applicant: BASF AG

    Inventor： WALLON ALEXANDER ,  ASPRION NORBERT ,  MECKL STEFAN

    IPC: B01D53/14 ,  B01D53/50 ,  B01D53/62 ,  B01D53/78

    Abstract: Treatment of combustion gases (I) containing sulfur dioxide (SO2) and carbon dioxide (CO2) comprises a first absorption stage (a), in which SO2 is removed by scrubbing with aqueous suspension of calcium hydroxide or calcium carbonate, followed by a second absorption stage (b) in which CO2 is removed by scrubbing with amine(s) (II) (optionally in aqueous solution), aqueous potassium hydroxide solution (optionally containing (II)) or aqueous aliphatic aminoacid alkali metal salt solution, the CO2-charged scrubbing liquid from (b) being regenerated and recycled. Treatment of combustion gases (I) containing sulfur dioxide (SO2) and carbon dioxide (CO2) as impurities involves: (1) an absorption stage (a), in which the gas is intimately contacted with a scrubbing liquid (A) comprising an aqueous suspension of calcium hydroxide or calcium carbonate, followed by separating the SO2-charged scrubbing liquid (A) and the remaining, non-absorbed part of (I); (2) an absorption stage (b), in which the non-absorbed part of (I) is intimately contacted with a scrubbing liquid (B) comprising a solution (b1) consisting of at least one amine compound (II) (optionally in aqueous solution), a solution (b2) consisting of water, potassium hydroxide and optionally (II) or a solution (b3) consisting of water and the alkali metal salt of an aliphatic aminoacid, followed by separating the CO2-charged scrubbing liquid (B) and the remaining, non-absorbed part of (I); and (3) regenerating the CO2-charged solution (B) and recycling it to absorption stage (b). (II) are selected from 4-12C aliphatic or cycloaliphatic amines; 4-12C alkanolamines; and cyclic amines consisting of 5-7 membered heterocycles consisting of 1 or 2 N atoms and 1 or 2 alkanediyl groups.

    57.
    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.

    58.
    发明专利
    未知

    公开(公告)号：BR9911708A

    公开(公告)日：2001-03-20

    申请号：BR9911708

    申请日：1999-06-23

    Applicant: BASF AG

    Inventor： GROSSMANN CHRISTOPH ,  HONZEL 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 REMOVING ACID GAS COMPONENTS FROM GASES
    59.
    发明专利
    METHOD FOR REMOVING ACID GAS COMPONENTS FROM GASES 未知

    公开(公告)号：CA2336043A1

    公开(公告)日：2000-01-06

    申请号：CA2336043

    申请日：1999-06-23

    Applicant: BASF AG

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

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

    Abstract: The invention relates to a method for removing acid gas components from gase s, the components being from the group consisting of CO2, H2S, COS, CS2 and mercaptans, wherein a crude gas rich in acid gas components is brought into contact with an absorbing agent in an absorption step, whereby a pure gas po or in acid gas components and an absorbing agent charged with acid gas componen ts is obtained, wherein a mixture is used as absorbing agent, containing: a) 0. 1 to 50 % by weight of one or several unsubstituted and/or once or several tim es OH, C1-C3-alkyl and/or C1-C3-hydroxyalkyl carbon substituted mono- or bicycl ic nitrogen heterocycles with 5 to 14 ring atoms and 1 or 2 heterocyclically bonded nitrogen atoms per ring as constituents A; b) 1 to 60 % by weight of a mono or polyvalent alcohol as constituent B; c) 0 to 60 % by weight of an aliphatic aminoalcohol as constituent C; d) 0 to 98.9 % by weight of water a s constituent D; e) 0 to 35 % by weight of K2CO3 as constituent E, wherein the sum of constituents A, B, C, D and E equals 100 % by weight.

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