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公开(公告)号:ES2249217T3
公开(公告)日:2006-04-01
申请号:ES00116188
申请日:2000-08-02
Applicant: BASF AG
Inventor: KAIBEL GERD DR , STROEZEL MANFRED , STAMMER ACHIM DR
Abstract: Procedimiento para el intercambio de calor y/o de materia entre un líquido y un gas en una columna, en la que el líquido y el gas se conducen por un relleno estructurado que presenta al menos una capa (1) de relleno con un primer extremo (2) inferior y un segundo extremo (3) superior con una geometría interna que varía a través de su altura y las cantidades de líquido y de gas se ajustan de tal manera que en una primera zona (6) especialmente inferior de la capa (1) de relleno se configura de manera encauzada una capa de burbujas con una fase gaseosa principalmente dispersa, y al mismo tiempo en una segunda zona (7) especialmente superior de la capa (1) de relleno se configura de forma encauzada un flujo en película del líquido con una fase gaseosa principalmente continua.
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公开(公告)号:MY119558A
公开(公告)日:2005-06-30
申请号:MYPI9701859
申请日:1997-04-29
Applicant: BASF AG
Inventor: KAIBEL GERD , STROEZEL MANFRED , RHEUDE UDO
Abstract: A DIVIDING WALL COLUMN (2) FOR SEPARATING A MIXTURE INTO 3 OR MORE FRACTIONS BY DISTILLATION IS DESCRIBED, WHERE AT LEAST ONE DIVIDING WALL (3) IS DETACHABLY ATTACHED WITHIN THE DIVIDING WALL COLUMN (2). (FIGURE 4)
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公开(公告)号:BR0313572A
公开(公告)日:2005-06-21
申请号:BR0313572
申请日:2003-07-30
Applicant: BASF AG
Inventor: GENGER THOMAS , OOST CARSTEN , SNOECK JOOST-WILLEM , STROEZEL MANFRED , BECKER JENS , BERNING WILFRIED
IPC: B01J10/00 , B01J19/00 , C07B61/00 , C07C27/12 , C07C29/50 , C07C35/08 , C07C45/33 , C07C45/34 , C07C45/35 , C07C45/36 , C07C49/403 , C07C51/215 , C07C51/25 , C07C51/265 , C07C407/00 , C07C409/14 , C07C409/16 , C07C51/16
Abstract: A process for oxidizing a starting material with an oxidizing agent to obtain a product, which comprises carrying out the oxidation in a reaction apparatus which has a bottom region at the lower end, a top region at the upper end and a reaction zone between the top region and the bottom region, maintaining the reaction mixture in the boiling state in the reaction zone, and introducing oxidizing agent into the reaction zone in at least two substreams.
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公开(公告)号:AT270134T
公开(公告)日:2004-07-15
申请号:AT01969739
申请日:2001-09-19
Applicant: BASF AG
Inventor: KAIBEL GERD , OOST CARSTEN , STROEZEL MANFRED , MEYER GERALD , TRUEBENBACH PETER , SARTOR KARL-HEINZ , HENERS JUERGEN
Abstract: A process is proposed for the separation of C 5+ cuts by distillation into a low-boiler (A), a medium-boiler (B) and a high-boiler fraction (C) in one or more dividing-wall columns (TK), in which a dividing wall (T) is arranged in the longitudinal direction of the column with formation of an upper, common column region ( 1 ), a lower, common column region ( 6 ), a feed part ( 2, 4 ) with rectifying section ( 2 ) and stripping section ( 4 ), and a withdrawal part ( 3, 5 ) with rectifying section ( 5 ) and stripping section ( 3 ), with feed of the C 5+ cut (A, B, C) into the central region of the feed part ( 2, 4 ), discharge of the high-boiler fraction (C) from the bottom of the column, discharge of the low-boiler fraction (A) via the top of the column, and discharge of the medium-boiler fraction (B) from the central region of the withdrawal part ( 3, 5 ), wherein the dividing ratio of the liquid reflux at the upper end of the dividing wall (T) is set in such a way that the proportion of high-boiling key components in the liquid reflux over the stripping section ( 3 ) of the withdrawal part at the upper end of the dividing wall (T) is from 10 to 80%, preferably from 30 to 50%, of the limit value allowed in the medium-boiler fraction (B), and wherein the heating power in the evaporator at the bottom of the dividing-wall column (TK) is set in such a way that the concentration of the low-boiling key components in the liquid at the lower end of the dividing wall (T) is from 10 to 80%, preferably from 30 to 50%, of the limit value allowed in the medium-boiler fraction (B).
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公开(公告)号:ES2202507T3
公开(公告)日:2004-04-01
申请号:ES97104966
申请日:1997-03-24
Applicant: BASF AG
Inventor: KAIBEL GERD DR , BROCKER FRANZ-JOSEF DR , STROEZEL MANFRED
IPC: B01F5/06 , B01J8/00 , B01J8/06 , B01J8/18 , B01J8/20 , B01J8/22 , B01J8/34 , B01J19/24 , C07C45/62
Abstract: In carrying out reactions in a reactor containing a liquid phase in which a catalyst is suspended, and where a gaseous phase may be present, the liquid and gas phases pass, at least partly, through a device having openings or passages whose hydraulic diameter is 0.5-20 (1-3) mm. Also claimed is the reactor including a device having openings or passages in it built so that liquid or gas flow through it during the reaction.
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公开(公告)号:AU2003251465A1
公开(公告)日:2004-03-29
申请号:AU2003251465
申请日:2003-07-24
Applicant: BASF AG
Inventor: DOBLER WALTER , KAIBEL GERD , MILLER CHRISTIAN , OOST CARSTEN , STROEZEL MANFRED , HAAKE MATHIAS , AQUILA WERNER
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公开(公告)号:ES2184187T3
公开(公告)日:2003-04-01
申请号:ES98119215
申请日:1998-10-12
Applicant: BASF AG
Inventor: OOST CARSTEN DR , STROEZEL MANFRED , ETZRODT HEINZ DR , BOCKSTIEGEL BERNHARD DR , JAEDICKE HAGEN DR , WELLER DIETMAR DR
Abstract: Preparation of gamma , delta -unsaturated ketones (I) by modified Carroll reaction is catalysed by a stable liquid aluminum acetoacetate compound or mixture of such compounds. Some such catalyst mixtures are new. Preparation of gamma , delta -unsaturated ketones of formula (I) involves modified Carroll reaction of an allyl alcohol of formula (II) with diketene or an alkyl acetoacetate of formula (III) in presence of an aluminum catalyst. R1 = H or 1-20C, saturated or unsaturated, branched hydrocarbyl; R2 = 1-5C alkyl. The novelty is that the catalyst consists of an aluminum compound (or aluminum compound mixture) which is a stable liquid at room temperature and contains at least one alkyl acetoacetate-forming group and 1 or 2 alkoxy groups or exclusively alkyl acetoacetate forming groups which are esterified sec. butanol or isobutanol or with at least two different alkanols. Independent claims are included for: (1) new mixtures of aluminum tris-acetoacetates of formula (V) which are liquid at room temperature; and (2) the preparation of mixtures as in (1). R3 = 1-5C alkyl, preferably Me or Et; R4 = 3-10C alkyl, preferably CHMe2, CH(Me)Et, CMe3 or CH(Me)-C3H7; R5 = 1-10C alkyl, preferably Me, Et, CHMe2, CH(Me)Et or CH(Me)-C3H7; provided that R3-R5 are not all the same. A further Independent claim relates to the continuous preparation of compounds (V) (or their mixtures), having the narrower proviso that R3-R5 can only be the same if they are -CH(Me)Et or -CH2CHMe2, which are liquid at room temperature. The process involves continuously reacting 1 mole of aluminum alcoholate of formula (VI) with 3-10 moles of (III), or with at least 3 moles of a mixture of 2 or 3 different compounds (III), optionally dissolved in an inert solvent. Reaction is at 100-250 (preferably 150-200) degrees C and 1-100 (preferably 1-10) bars with a dwell time of 5-120 (preferably 15-45) minutes, the pressure and temperature being such that no gas phase is formed in the reaction vessel. R6 = 2-10C alkyl, preferably -CH2CHMe2, -CH(Me)Et or -CH(Me)C3H7; provided that R2 and R6 can only be the same if they are -CH(Me)Et or -CH2CHMe2.
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公开(公告)号:PT909750E
公开(公告)日:2003-02-28
申请号:PT98119215
申请日:1998-10-12
Applicant: BASF AG
Inventor: STROEZEL MANFRED , HEINZ ETZRODT DR , CARSTEN OOST DR , DIETMAR WELLER DR , BERNHARD BOCKSTIEGEL DR , REIMER KLAUS , HAGEN JAEDICKE DR , LOTHAR LAUPICHLER DR
Abstract: Preparation of gamma , delta -unsaturated ketones (I) by modified Carroll reaction is catalysed by a stable liquid aluminum acetoacetate compound or mixture of such compounds. Some such catalyst mixtures are new. Preparation of gamma , delta -unsaturated ketones of formula (I) involves modified Carroll reaction of an allyl alcohol of formula (II) with diketene or an alkyl acetoacetate of formula (III) in presence of an aluminum catalyst. R1 = H or 1-20C, saturated or unsaturated, branched hydrocarbyl; R2 = 1-5C alkyl. The novelty is that the catalyst consists of an aluminum compound (or aluminum compound mixture) which is a stable liquid at room temperature and contains at least one alkyl acetoacetate-forming group and 1 or 2 alkoxy groups or exclusively alkyl acetoacetate forming groups which are esterified sec. butanol or isobutanol or with at least two different alkanols. Independent claims are included for: (1) new mixtures of aluminum tris-acetoacetates of formula (V) which are liquid at room temperature; and (2) the preparation of mixtures as in (1). R3 = 1-5C alkyl, preferably Me or Et; R4 = 3-10C alkyl, preferably CHMe2, CH(Me)Et, CMe3 or CH(Me)-C3H7; R5 = 1-10C alkyl, preferably Me, Et, CHMe2, CH(Me)Et or CH(Me)-C3H7; provided that R3-R5 are not all the same. A further Independent claim relates to the continuous preparation of compounds (V) (or their mixtures), having the narrower proviso that R3-R5 can only be the same if they are -CH(Me)Et or -CH2CHMe2, which are liquid at room temperature. The process involves continuously reacting 1 mole of aluminum alcoholate of formula (VI) with 3-10 moles of (III), or with at least 3 moles of a mixture of 2 or 3 different compounds (III), optionally dissolved in an inert solvent. Reaction is at 100-250 (preferably 150-200) degrees C and 1-100 (preferably 1-10) bars with a dwell time of 5-120 (preferably 15-45) minutes, the pressure and temperature being such that no gas phase is formed in the reaction vessel. R6 = 2-10C alkyl, preferably -CH2CHMe2, -CH(Me)Et or -CH(Me)C3H7; provided that R2 and R6 can only be the same if they are -CH(Me)Et or -CH2CHMe2.
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公开(公告)号:DE10124386A1
公开(公告)日:2002-11-28
申请号:DE10124386
申请日:2001-05-18
Applicant: BASF AG
Inventor: STROEFER ECKHARD , KAIBEL GERD , STAMMER ACHIM , OOST CARSTEN , SOHN MARTIN , STROEZEL MANFRED , DOBLER WALTER
IPC: B01D3/26 , B01D3/00 , B01J19/32 , C07B63/00 , C07C17/38 , C07C263/20 , C07C265/14 , C07C17/383
Abstract: Column with packing is used for distillation/reactive distillation of mixture with toxic component(s). Packing layer(s) has upper and lower end, with variable internal geometry over height (H). Lower zone (6) of packing layer, with higher flow resistance, gives bubbling layer with mainly dispersed gas phase and upper zone (7) develops film flow with mainly continuous gas phase. Column with a packing is used for the distillation or reactive distillation of a mixture, with at least one toxic component. At least one packing layer has an upper and a lower end, with a variable internal geometry over its height (H). The lower zone (6) of the packing layer, with a higher flow resistance, gives a bubbling layer with a mainly dispersed gas phase and, at the same time, the upper zone (7) develops a film flow with a mainly continuous gas phase.
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公开(公告)号:AT226930T
公开(公告)日:2002-11-15
申请号:AT99105126
申请日:1999-03-26
Applicant: BASF AG
Inventor: BROECKER FRANZ JOSEF DR , KAIBEL GERD DR , AQUILA WERNER DR , FUCHS HARTWIG , WEGNER GUENTER DR , STROEZEL MANFRED
IPC: B01J23/44 , B01J8/20 , B01J8/22 , B01J19/24 , B01J23/46 , C07B61/00 , C07C45/62 , C07C47/21 , C07C49/04
Abstract: Production of saturated carbonyl compounds (I) by selective liquid-phase hydrogenation of alpha , beta -unsaturated carbonyl compounds (II) is carried out in a packed bubble column with the product recycled and by circulating hydrogen gas. Production of saturated carbonyl compounds of formula R1-CH(R2)-CH(R3)-C(R4)=O (I) by selective liquid-phase hydrogenation of alpha , beta -unsaturated carbonyl compounds of formula R1-C(R2)=C(R3)-C(R4)=O (II) in the presence of a particulate palladium and/or rhodium catalyst and a base is carried out in a packed bubble column with the product recycled and by circulating hydrogen gas. R1 = H or an organic group; R2-R4 = H or 1-4C alkyl.
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