PROCEDIMIENTO PARA LA OBTENCION DE UNA ETILAMINA.

    公开(公告)号:ES2313621T3

    公开(公告)日:2009-03-01

    申请号:ES06708754

    申请日:2006-03-14

    Applicant: BASF SE

    Abstract: Procedimiento para la obtención de una etilamina, mediante la reacción de etanol con amoníaco, con una amina primaria o con una amina secundaria, en presencia de hidrógeno y de un catalizador heterogéneo de hidrogenación/deshidrogenación, caracterizado porque se emplea un etanol (bio-etanol) preparado por vía bioquímica o por vía biológica, conteniendo el catalizador en su masa catalíticamente activa, como paso previo a la activación con hidrógeno, entre un 20 y un 65% en peso de dióxido de circonio (ZrO2) y/o de óxido de aluminio (Al2O3) como material de soporte, entre un 1 y un 30% en peso de compuestos oxigenados del cobre, calculado como CuO, y entre un 21 y un 70% en peso de compuestos oxigenados del níquel, calculado como NiO, y presenta, tras activación con hidrógeno, una capacidad de absorción de CO > 110 µmol de CO/g de catalizador, llevándose a cabo la activación del catalizador con hidrógeno a una temperatura situada en el intervalo comprendido entre 100 y 500ºC durante un período de tiempo de, al menos, 25 minutos.

    Procedimiento para evitar de manera segura una corriente de retorno durante el transporte de un líquido

    公开(公告)号:ES2401156T3

    公开(公告)日:2013-04-17

    申请号:ES09769153

    申请日:2009-06-16

    Applicant: BASF SE

    Abstract: Procedimiento para evitar de manera segura una corriente de retorno durante el transporte de un líquido a presióna través de una tubería (1) de transporte, en la que está dispuesto un dispositivo (2) de retención con conmutaciónde presión diferencial, a un tanque (3), que está presurizado, y que contiene el líquido que va a transportarse y/uotro líquido, estando dispuesto en la tubería (1) de transporte en el sentido de transporte aguas arriba del dispositivo(2) de retención un acumulador (4) de presión, caracterizado porque el acumulador (4) de presión está lleno dellíquido que va a transportarse hasta un determinado nivel y por encima del nivel de líquido, en contacto directo conel líquido que va a transportarse, de un gas inerte, estando previsto el gas inerte en el acumulador (4) de presión conrespecto al tanque (3) que va a llenarse a una sobrepresión y una cantidad que están configuradas de tal maneraque en el caso de una caída de presión en la tubería (1) de transporte el gas inerte garantiza una presión diferencialpositiva en la tubería (1) de transporte hacia el tanque (3) a lo largo de un periodo de tiempo que es al menos tanlargo como el tiempo de reacción del dispositivo (2) de retención, y porque el dispositivo (2) de retención presentauna tubería (6) de vaciado con robinete (7) de vaciado.

    PROCESS FOR PREPARING FORMIC ACID BY REACTING CARBON DIOXIDE WITH HYDROGEN

    公开(公告)号:CA2851175A1

    公开(公告)日:2013-04-11

    申请号:CA2851175

    申请日:2012-10-02

    Applicant: BASF SE

    Abstract: The invention relates to a method for producing formic acid, comprising the following steps: (a) reacting, in a homogeneously catalyzed manner, a reaction mixture (Rg) containing carbon dioxide, hydrogen, at least one polar solvent and at least one tertiary amine in the presence of at least one coordination catalyst in a hydrogenation reactor in order to obtain a two-phase hydrogenation mixture (H) containing an upper phase (O1), which contains the at least one coordination catalyst and the at least one tertiary amine (A1), and a lower phase (U1), which contains the at least one polar solvent, residues of the at least one coordination catalyst, and at least one formic acid/amine adduct; (b) processing the hydrogenation mixture (H) obtained in step (a) according to one of the following steps: (b1) phase-separating the hydrogenation mixture (H) obtained in step (a) in a first phase-separating device into the upper phase (O1) and the lower phase (U1), or (b2) extracting the at least one coordination catalyst from the hydrogenation mixture (H) obtained in step (a) in an extraction unit with an extracting agent containing the at least one tertiary amine (A1) in order to obtain a raffinate (R1) containing the at least one formic acid/amine adduct (A2) and the at least one polar solvent and an extract (E1) containing the at least one tertiary amine (A1) and the at least one coordination catalyst, or (b3) phase-separating the hydrogenation mixture (H) obtained in step (a) in a first phase-separating device into the upper phase (O1) and the lower phase (U1) and extracting the residues of the at least one coordination catalyst from the lower phase (U1) in an extraction unit by means of an extracting agent containing the at least one tertiary amine (A1) in order to obtain a raffinate (R2) containing the at least one formic acid/amine adduct (A2) and the at least one polar solvent and an extract (E2) containing the at least one tertiary amine (A1) and the residues of the at least one coordination catalyst; (c) separating the at least one polar solvent from the lower phase (U1), from the raffinate (R1), or from the raffinate (R2) in a first distillation device in order to obtain a distillate (D1) containing the at least one polar solvent, which is fed back into the hydrogenation reactor in step (a), and a two-phase bottom mixture (S1) containing an upper phase (O2), which contains the at least one tertiary amine (A1), and a lower phase (U2), which contains the at least one formic acid/amine adduct (A2); (e) cleaving the at least one formic acid/amine adduct (A2) contained in the bottom mixture (S1) or optionally in the lower phase (U2) in a thermal cleaving unit in order to obtain the at least one tertiary amine (A1), which is fed back to the hydrogenation reactor in step (a), and formic acid, which is discharged from the thermal cleaving unit, wherein carbon monoxide is added to the lower phase (U1), the raffinate (R1), or the raffinate (R2) directly before and/or during step (c) and/or carbon monoxide is added to the bottom mixture (S1) or optionally the bottom phase (U2) directly before and/or during step (e).

    15.
    发明专利
    未知

    公开(公告)号:AT538078T

    公开(公告)日:2012-01-15

    申请号:AT06763996

    申请日:2006-06-30

    Applicant: BASF SE

    Abstract: Process for recovering cyclododecatriene (CDT) from a solution containing CDT and high boilers such as deactivated catalyst and polymers, which includes feeding the solution into a preheater and heating it, subsequently depressurizing it through a downstream pressure maintenance device and feeding the resulting two-phase mixture into a helical tube evaporator and there reducing the CDT content of the liquid phase by partial evaporation and discharging a gaseous product stream having an increased concentration of CDT.

    17.
    发明专利
    未知

    公开(公告)号:AT408594T

    公开(公告)日:2008-10-15

    申请号:AT06708754

    申请日:2006-03-14

    Applicant: BASF SE

    Abstract: Processes comprising: (a) providing a first reactant comprising a bioethanol; and (b) reacting the first reactant with a second reactant comprising a component selected from the group consisting of ammonia, primary amines, secondary amines and mixtures thereof, in the presence of hydrogen and a catalytically effective amount of a heterogeneous hydrogenation/dehydrogenation catalyst to form an ethylamine; wherein the catalyst has been activated at a temperature of 100 to 500° C. for at least 25 minutes; wherein prior to activation the catalyst comprises: (i) 20 to 65% by weight of a support material comprising one or both of zirconium dioxide (ZrO2) and aluminum oxide (Al2O3), (ii) 1 to 30% by weight of oxygen-comprising compounds of copper, calculated as CuO, and (iii) 21 to 70% by weight of oxygen-comprising compounds of nickel, calculated as NiO; and wherein after activation the catalyst has a CO uptake capacity of >110 mumol of CO/g of the catalyst.

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