3.
    发明专利
    未知

    公开(公告)号:DE502006001603D1

    公开(公告)日:2008-10-30

    申请号:DE502006001603

    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.

    PROCEDIMIENTO PARA LA HIDROGENACION CONTINUA DE CITRONELAL PARA DAR CITRONELOL.

    公开(公告)号:ES2298577T3

    公开(公告)日:2008-05-16

    申请号:ES03763837

    申请日:2003-07-14

    Applicant: BASF SE

    Abstract: Procedimiento para la hidrogenación selectiva de citronelal para dar citronelol, en el cual se conduce una fase líquida, en la que está disuelto el citronelal, y en la que están suspendidas partículas de un catalizador, que sea capaz de proporcionar la hidrogenación preferente de los enlaces dobles de carbono-oxígeno antes que la de los enlaces dobles carbono-carbono, en presencia de un gas que contiene hidrógeno, a través de un dispositivo que inhibe el transporte de las partículas del catalizador, presentando el dispositivo inhibidor del transporte de las partículas del catalizador, orificios o canales, cuyo diámetro hidráulico está comprendido entre 2 y 2.000 veces el diámetro medio de las partículas del catalizador, y la fase líquida comprende, además de amoníaco, una amina primaria, secundaria y/o terciaria así como un diluyente inerte y la concentración en citronelal en la fase líquida está comprendida entre un 50 y un 90% en peso.

    6.
    发明专利
    未知

    公开(公告)号:AT438688T

    公开(公告)日:2009-08-15

    申请号:AT02803779

    申请日:2002-11-19

    Applicant: BASF SE

    Abstract: The present invention relates to mixtures comprising linear block copolymers made from vinylaromatic monomers and from dienes of the structure (I) S 1 -B 1 -S 2 and (II) S 3 -B 2 -S 4 , where S 1 is a block made from vinylaromatic monomers with number-average molar mass M n in the range from 40,000 to 100,000 g/mol, each of S 2 , S 3 and S 4 is a block made from vinylaromatic monomers with number-average molar mass M n in the range from 5,000 to 20,000 g/mol, each of B 1 and B 2 is a block made from dienes or a copolymer block made from dienes and from vinylaromatic monomers with numberaverage molar mass M n in the range from 15,000 to 40,000 g/mol, and the ratio of the block copolymers (I)/(II) is in the range from 0.6 to 2.

    7.
    发明专利
    未知

    公开(公告)号:AT394362T

    公开(公告)日:2008-05-15

    申请号:AT05819382

    申请日:2005-12-14

    Applicant: BASF SE

    Abstract: A process for preparing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane by reacting 2,3- and/or 3,4-diaminotoluene with hydrogen at elevated pressure and elevated temperature in the presence of a heterogeneous rhodium catalyst, wherein a mixture comprising 2,3- and/or 3,4-diaminotoluene, a dialkyl ether and/or alicyclic ether as a solvent and ammonia is initially charged in an autoclave in the presence of the catalyst and subsequently hydrogenated while supplying hydrogen.

    PROCÉDÉS DE LIXIVIATION OXYDATIVE ET RÉDUCTRICE

    公开(公告)号:MA66060A1

    公开(公告)日:2025-04-30

    申请号:MA66060

    申请日:2024-06-06

    Applicant: BASF SE

    Abstract: L'invention concerne des procédés de lixiviation d'un matériau comprenant un ou plusieurs métaux à l'état d'oxydation zéro et un ou plusieurs métaux choisis parmi les oxydes métalliques, les hydroxydes métalliques et leurs combinaisons, le procédé consistant à mettre le matériau en contact avec une solution aqueuse acide oxydante dont le pH est inférieur à 6, puis réduire le ou les métaux choisis parmi les oxydes métalliques, les hydroxydes métalliques et leurs combinaisons à l'aide d'un agent réducteur. L'invention concerne également des procédés comprenant la lixiviation d'un matériau pour obtenir une solution aqueuse comprenant des ions métalliques, et la séparation des ions métalliques pour obtenir au moins une solution d'ions métalliques essentiellement pure et/ou au moins un sel d'ions métalliques solide essentiellement pur. L'invention concerne en outre des procédés comprenant le broyage mécanique d'un matériau pour obtenir une masse noire, et la lixiviation de la masse noire.

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