PROCEDIMIENTO PARA LA OBTENCION DE ALCOHOLES SATURADOS CON 3 A 20 ATOMOS DE CARBONO.

    公开(公告)号:ES2269426T3

    公开(公告)日:2007-04-01

    申请号:ES01949347

    申请日:2001-05-17

    Applicant: BASF AG

    Abstract: Procedimiento para la obtención de alcoholes saturados con 3 a 20 átomos de carbono, en el que se conduce a través de un lecho de un catalizador de hidrogenado una alimentación de hidrogenado líquida, que contiene al menos un aldehído seleccionado entre propanal, n-butanal, aldehído iso-butírico, hexanal, etilhexanal, etilhexenal, nonenal, nonanal, decanal, decenal, así como los productos de hidroformilado de propileno trímero, propileno tetrámero, buteno dímero o buteno trímero, en presencia de un gas hidrogenado a través de un lecho de un catalizador de hidrogenado, caracterizado porque se añade a la alimentación de hidrogenado una cantidad soluble de manera homogénea en la misma de una base salina [M+]n [An-], donde [M+] representa un ion metálico alcalino, o el equivalente de un ion metálico alcalinotérreo; [An-] representa un anión de un ácido con un valor de pKs de más de 2, y n representa la valencia del anión.

    23.
    发明专利
    未知

    公开(公告)号:RO73246A

    公开(公告)日:1982-09-09

    申请号:RO7671373

    申请日:1973-11-21

    Applicant: BASF AG

    Abstract: Manufacture of saturated aliphatic alcohols by hydrogenation of saturated aliphatic aldehydes at temperatures of from 140 DEG to 230 DEG C at pressures of from 50 to 350 atmospheres in the presence of catalysts containing from 5 to 15% by weight nickel and 5 to 20% by weight molybdenum supported on silicic acid, in which process catalysts are used which have been obtained by heating silicic acid carrier materials to temperatures of from 700 DEG to 1200 DEG C, impregnating the resulting silicic acid carrier materials with nickel and molybdenum salts, drying the resulting material with or without further heating to temperatures of from 200 DEG to 500 DEG C and subsequently treating the product with hydrogen at elevated temperature in conventional manner. The alcohols obtained are used as solvents or for the manufacture of plasticizers for polyvinyl chloride.

    MANUFACTURE OF PREDOMINANTLY STRAIGHT-CHAIN ALDEHYDES

    公开(公告)号:CA1032555A

    公开(公告)日:1978-06-06

    申请号:CA177492

    申请日:1973-07-27

    Applicant: BASF AG

    Abstract: An improvement in the process for the manufacture of predominantly straight-chain aldehydes by hydroformylation of olefinically unsaturated compounds of 2 to 20 carbon atoms with carbon monoxide and hydrogen in which, in a first stage, aqueous cobalt solutions are treated with carbon monoxide and hydrogen at temperatures of 50 DEG to 200 DEG C and pressures of 100 to 400 atmospheres in the presence of active charcoal, zeolites or basic ion exchangers which are charged with cobalt carbonyl, in a second stage cobalt carbonyl-hydride is extracted from the reaction mixtures thus obtained, at temperatures of 20 DEG to 180 DEG C and pressures of 1 to 400 atmospheres, by means of olefinically unsaturated compounds which must be water-insoluble and liquid under the conditions used, the aqueous phase is separated off and the organic phase is transferred to a third stage and in this stage, after introducing olefinically unsaturated compounds if the latter have only been used partially for the extraction, the hydroformylation is carried out at temperatures of 70 DEG to 170 DEG C and pressures of 100 to 400 atmospheres, the improvement being that the extraction in the second stage is carried out as a co-current extraction whilst maintaining turbulent flow.

    MANUFACTURE OF ALIPHATIC ALCOHOLS
    26.
    发明专利

    公开(公告)号:CA987346A

    公开(公告)日:1976-04-13

    申请号:CA186411

    申请日:1973-11-21

    Applicant: BASF AG

    Abstract: Manufacture of saturated aliphatic alcohols by hydrogenation of saturated aliphatic aldehydes at temperatures of from 140 DEG to 230 DEG C at pressures of from 50 to 350 atmospheres in the presence of catalysts containing from 5 to 15% by weight nickel and 5 to 20% by weight molybdenum supported on silicic acid, in which process catalysts are used which have been obtained by heating silicic acid carrier materials to temperatures of from 700 DEG to 1200 DEG C, impregnating the resulting silicic acid carrier materials with nickel and molybdenum salts, drying the resulting material with or without further heating to temperatures of from 200 DEG to 500 DEG C and subsequently treating the product with hydrogen at elevated temperature in conventional manner. The alcohols obtained are used as solvents or for the manufacture of plasticizers for polyvinyl chloride.

    Continuous production of carboxylic amides

    公开(公告)号:GB1057726A

    公开(公告)日:1967-02-08

    申请号:GB4255863

    申请日:1963-10-29

    Applicant: BASF AG

    Abstract: In a continuous process for preparing amides by reaction of esters with primary or secondary amines, the reactants are introduced into a column in which there is, both above and below the point of introduction, a countercurrent flow of ascending vaporous products and descending liquid products (the amide being withdrawn from a point below the supply point), and a temperature gradient increasing from top to bottom. The esters are derived from C1- 4 acids and C1- 4 alcohols and the amines have 1-12 C atoms and may contain 1 or 2 OH groups or ether bridges; the column temperatures are not more than 260 DEG C. at the bottom and at least 20 DEG C. at the top. A part only of the top product is removed at a minimum reflux ratio of 2: 1. Exemplified products are HCONMe2, HCONHEt, HCONEt2, HCONBu2, HCONH (cyclohexyl) and AcNHEt.

    PROCESS FOR OBTAINING ISOBUTENE FROM C4-HYDROCARBON MIXTURES CONTAINING ISOBUTENE

    公开(公告)号:CA1115737A

    公开(公告)日:1982-01-05

    申请号:CA318369

    申请日:1978-12-21

    Applicant: BASF AG

    Abstract: A process for obtaining isobutene from a C4-hy-drocarbon mixture containing isobutene, which comprises (a) reacting the mixture with a primary C3- or C4-alcohol in the presence of an ion exchanger in its acid form as a condensing agent to form the corresponding C3- or C4-alkyl tert.-butyl ether by feeding the primary C3- or C4-alcohol and the C4-hydro-carbon mixture, with or without prior mixing, to an etherification reaction zone which contains the ion exchanger; (b) distilling the reaction mixture obtained from the etherification reaction zone in a first distillation zone, taking off as the top product without water washing a C4-hydrocarbon mixture comprising the unconverted hydrocarbons such top product being substantially free from isobutene and the primary C3- or C4-al-cohol and taking off as the bottom product the resulting C3or C4-alkyl tert.-butyl ether, which may contain therein primary C3- or C4-alcohol which may have been added in excess; (c) feeding the bottom product to a second reaction zone, containing an acid catalyst, in which the C3- or C4-alkyl tert.-butyl ether is decomposed at an elevated temperature to give isobutene and primary C3- and C4-alcohol; (d) feeding the mixture of isobutene and primary C3- and C4-alcohol produced in step (c) to a second distillation zone, taking off as the top product isobutene and as the bottom product the remaining C3- or C4-alcohol produced in step (c); and (e) recyoling the primary C3- or C4-alcohol which is the bottom product of step (d) to the etherification reaction zone.

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