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    35.
    发明专利
    未知

    公开(公告)号：ES2207608T3

    公开(公告)日：2004-06-01

    申请号：ES01911637

    申请日：2001-02-13

    Applicant: BASF AG

    Inventor： WALCZUCH KARL-HEINZ ,  MULLER ROLF ,  KROKOSZINSKI ROLAND ,  GEISSLER BERNHARD

    IPC: C07B61/00 ,  C07C45/50 ,  C07C47/02

    Abstract: A liquid output from a continuous hydroformylation, which comprises essentially aldehydes, high-boiling by-products, a homogeneously dissolved hydroformylation catalyst, unreacted olefins, low-boiling by-products and dissolved synthesis gas, is worked up by a process in which a) the liquid hydroformylation output is depressurized in a first depressurization stage to a pressure which is from 2 to 20 bar below the reactor pressure, resulting in separation into a liquid phase and a gas phase, and b) the liquid phase obtained in the first depressurization stage is depressurized in a second depressurization stage to a pressure which is lower than the pressure of the first depressurization stage, resulting in separation into a liquid phase comprising essentially high-boiling by-products of the hydroformylation, the homogeneously dissolved hydroformylation catalyst and small amounts of hydroformylation product and unreacted olefin and a gas phase comprising essentially the major part of the hydroformylation product, unreacted olefin and low-boiling by-products.

    Method for producing hydroformylation products of olefins with 2 to 8 carbon atoms
    36.
    发明专利
    Method for producing hydroformylation products of olefins with 2 to 8 carbon atoms 未知

    公开(公告)号：AU8756301A

    公开(公告)日：2002-01-14

    申请号：AU8756301

    申请日：2001-06-27

    Applicant: BASF AG

    Inventor： RICHTER WOLFGANG ,  KROKOSZINSKI ROLAND ,  MULLER ROLF ,  GEISSLER BERNHARD

    IPC: C07B61/00 ,  C07C45/50 ,  C07C47/02

    Abstract: In the hydroformylation of 2-8 carbon (C) olefins (I), (a) a hydrocarbon charge is subjected to thermal and/or catalytic cracking and/or dehydrogenation; (b) the cracked gas containing olefin or a fraction is separated into streams with higher and lower (I) contents; and (c) the (I)-enriched stream, carbon monoxide and hydrogen are reacted in the presence of hydroformylation catalyst. Unreacted (I) and saturated 2-8 C hydrocarbon are separated and recycled to (b). In the production of hydroformylation products from 2-8 carbon (C) olefins (I), (a) a hydrocarbon charge is fed into a cracking/dehydrogenation zone and subjected to thermal and/or catalytic cracking and/or dehydrogenation, giving a cracked gas containing olefin; (b) the cracked gas or a fraction is separated into streams with higher and lower (I) contents; (c) the (I)-enriched stream, carbon monoxide and hydrogen are fed into a hydroformylation zone and reacted in the presence of a hydroformylation catalyst; and (d) a stream of unreacted (I) and saturated 2-8 C hydrocarbon is separated from the product stream and recycled to stage (b).

    37.
    发明专利
    未知

    公开(公告)号：ES2158488T3

    公开(公告)日：2001-09-01

    申请号：ES97902245

    申请日：1997-01-28

    Applicant: BASF AG

    Inventor： PACIELLO ROCCO ,  KNEUPER HEINZ-JOSEF ,  GEISSLER BERNHARD ,  ROPER MICHAEL

    IPC: B01J31/22 ,  B01J31/16 ,  B01J31/18 ,  B01J31/40 ,  C07B61/00 ,  C07C27/22 ,  C07C29/16 ,  C07C31/125 ,  C07C45/50 ,  C07C45/80 ,  C07C47/02 ,  C07D213/38 ,  C07D213/74

    Abstract: PCT No. PCT/EP97/00372 Sec. 371 Date Jul. 15, 1998 Sec. 102(e) Date Jul. 15, 1998 PCT Filed Jan. 28, 1997 PCT Pub. No. WO97/28113 PCT Pub. Date Aug. 7, 1997A process for the preparation of aldehydes or aldehydes and alcohols by hydroformylation of olefins containing more than 3 carbon atoms comprising a hydroformylation stage, in which the olefin is hydroformylated under a pressure of from 50 to 1000 bar and at a temperature of from 50 DEG to 180 DEG C. using a rhodium catalyst that is dissolved in a homogeneous reaction medium and by extraction of the rhodium catalyst, in which a) the hydroformylation is carried out in the presence of a rhodium complex, which exhibits, as ligand, a polydentate, organic nitrogen compound that is free from phosphorus and capable of forming complexes with Group VIII metals, which additionally contains at least one tertiary nitrogen radical that is capable of being protonized by a weak acid, b) the effluent of the hydroformylation stage is subjected to extraction with an aqueous solution of a distillable acid optionally following separation or partial separation of aldehydes and alcohols, (c) the aqueous acid extract is subjected to thermal treatment in the presence of an organic solvent or solvent mixture, which is inert under the hydroformylation conditions, with distillation of the aqueous acid, by means of which treatment the complex is deprotonized and transferred to the organic phase, and (d) the organic phase containing the catalyst complex is recycled to the hydroformylation stage.

    39.
    发明专利
    未知

    公开(公告)号：DE59701574D1

    公开(公告)日：2000-06-08

    申请号：DE59701574

    申请日：1997-02-12

    Applicant: BASF AG

    Inventor： GEISSLER BERNHARD ,  KNEUPER HEINZ-JOSEF ,  ROEPER MICHAEL ,  PACIELLO ROCCO ,  OPPENLAENDER KNUT ,  GUENTHER WOLFGANG

    IPC: B01J31/40 ,  C07C29/16 ,  C07C45/50 ,  C07C45/80 ,  C07F9/38 ,  C08G73/02

    Abstract: A process for the preparation of aldehydes or aldehydes and alcohols by hydroformylation of olefins containing more than 3 carbon atoms, comprising a hydroformylation stage, in which the olefin is hydroformylated under a pressure of form 50 to 1000 bar and at a temperature of from 50° to 180° C. by means of a rhodium catalyst dissolved in a homogenous reaction medium and a catalyst recovery stage comprising extraction of the rhodium catalyst with an aqueous solution of chelating agent, isolation of alcohols and/or aldehyde from the extracted hydroformylation product steam, precarbonylation of the aqueous rhodium-containing extract in the presence of carbon monoxide, synthesis gas as, or a gas mixture containing carbon monoxide under a pressure of from 50 to 1000 bar and at a temperature of from 50° to 180° C., separation of the effluent of the precarbonylation stage into an organic phase containing the major portion of the rhodium and an aqueous phase containing the chelating agent and recycling of the organic phase to the hydroformylation stage, where the rhodium catalyst is extracted from the effluent of the hydroformylation stage using an aqueous solution of a sulfonic acid group-free, water-soluble polymer capable of chelating rhodium.

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