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    METHOD FOR FRACTIONATING AMINE-CONTAINING MIXTURE
    1.
    发明专利
    METHOD FOR FRACTIONATING AMINE-CONTAINING MIXTURE 审中-公开

    公开(公告)号：JP2003210902A

    公开(公告)日：2003-07-29

    申请号：JP2002314496

    申请日：2002-10-29

    Applicant: BASF AG

    Inventor： WOLFERT ANDREAS ,  RUTTER HEINZ ,  RITTINGER STEFAN ,  WEHINGER MARK ,  ALEMANY AURELIE ,  SCHMIDT WILLI

    IPC: C07D295/00 ,  B01D3/00 ,  B01D3/14 ,  B01D3/36 ,  B01D11/04 ,  C07C209/84 ,  C07C209/86 ,  C07C211/04 ,  C07C211/08 ,  C07D207/04 ,  C07D211/04 ,  C07D295/02 ,  C07D295/03

    Abstract: PROBLEM TO BE SOLVED: To provide a method for fractionating an amine-containing mixture. SOLUTION: According to circumstances, (i) a (first) low boiling point matter fraction is separated and removed from the amine-containing mixture by distillation, according to circumstances, (ii) a (first) high boiling point matter fraction is separated and removed from the amine-containing mixture by distillation, (iii) the amine-containing mixture is subjected to extraction using a sodium hydroxide solution to produce a sodium hydroxide-containing aqueous first phase and an amine-, (further) low boiling point matter- and, according to circumstances, (further) high boiling matter-containing water-organic second phase, (iv) the water-organic second phase is distilled to produce a substantially anhydrous amine as a column bottom phase taken-out substance or as a lateral flow extract in the stripping part of a distillation column, an amine/water azeotropic mixture as a lateral flow extract in the concentration part of the column and a (further) low boiling matter fraction as a column top extract and the amine/water azeotropic mixture is returned to the extraction process (iii) and, according to circumstances, (v) the substantially anhydrous amine is refined or fractionated. COPYRIGHT: (C)2003,JPO

    METHOD FOR PRODUCING ISOCYANATES
    3.
    发明专利
    METHOD FOR PRODUCING ISOCYANATES 未知

    公开(公告)号：AU2003242546A1

    公开(公告)日：2003-12-12

    申请号：AU2003242546

    申请日：2003-05-19

    Applicant: BASF AG

    Inventor： WOLFERT ANDREAS ,  MULLER CHRISTIAN ,  STROFER ECKHARD ,  BRODHAGEN ANDREAS

    IPC: C07C263/10 ,  C07C265/14

    Abstract: The present invention relates to a continuous process for preparing isocyanates by reacting primary amines with phosgene, wherein the reaction is carried out in a cascade of at least two tube reactors and the gas phase formed in the reaction is separated off in a phase separator after each reactor and only the liquid phase is passed to the next reactor or to product purification and the reaction volume of the first tube reactor is only a fraction of the total reaction volume.

    PROCEDIMIENTO Y DISPOSITIVO PARA LA OBTENCION EN CONTINUO DE MONOISOCIANATOS O DE POLIISOCIANATOS ORGANICOS.
    5.
    发明专利
    PROCEDIMIENTO Y DISPOSITIVO PARA LA OBTENCION EN CONTINUO DE MONOISOCIANATOS O DE POLIISOCIANATOS ORGANICOS. 未知

    公开(公告)号：ES2282264T3

    公开(公告)日：2007-10-16

    申请号：ES01945178

    申请日：2001-05-21

    Applicant: BASF AG

    Inventor： WOLFERT ANDREAS ,  PENZEL ULRICH

    IPC: B01F3/08 ,  B01F5/00 ,  B01J19/24 ,  B01F5/02 ,  B01F15/02 ,  C07B43/10 ,  C07B61/00 ,  C07C263/10 ,  C07C265/14

    Abstract: Procedimiento para la obtención de monoisocianatos o de poliisocianatos orgánicos, como producto de la reacción por conversión de aminas con fosgeno, en el que se lleva a cabo la mezcla de las corrientes de los eductos, constituidas por las aminas y por el fosgeno, en fase líquida, según el principio de la contracorriente, encontrándose las corrientes principales y/o parciales de las aminas bajo un ángulo de alimentación de a > 90° con las corrientes principales y/o parciales del fosgeno y siendo> 1 la relación de los impulsos de la corriente principal de la amina con respecto a los de la corriente principal del fosgeno y se descarga, de manera cerrada, el producto de la reacción, alimentándose las corrientes principales de los eductos rodeadas por corrientes parciales de los eductos.

    METHOD FOR THE PURIFICATION OF ISOCYANATES
    7.
    发明专利
    METHOD FOR THE PURIFICATION OF ISOCYANATES 未知

    公开(公告)号：AU2003293892A1

    公开(公告)日：2004-07-14

    申请号：AU2003293892

    申请日：2003-12-16

    Applicant: BASF AG

    Inventor： PALLASCH HANS-JURGEN ,  STROEFER ECKHARD ,  BLANKERTZ HEINRICH-JOSEF ,  WOLFERT ANDREAS

    IPC: C07C263/10 ,  C07C263/20 ,  C07C265/14

    Abstract: Method for purifying isocyanates (I) by distillation. Method for purifying isocyanates by distillation comprises: (a) first separating a stream (1) containing (I), high and low boilers and non-evaporatable residue (X) by distillation (at least one theoretical plate) into a sidestream (2), containing (I) and (X), and a vapor stream (3), containing (I) and low boilers; (b) (X) in (2) is kept separate from (3) and/or material streams that consist at least partly of (3); (c) another (I)-containing vapor stream (4) is separated from (2), leaving stream (8) consisting essentially of (X); (d) streams (4) and (3) are separated by distillation into 3 streams (5,6,7) of different boiling ranges, where the lowest boiler (5) contains a significant proportion of the low boilers in (1), the highest boiler (7) contains a significant proportion of the high boilers in (1) and the middle stream (6) is essentially (I).

    REACTOR Y PROCESO PARA PREPARAR SULFURO DE HIDROGENO
    10.
    发明专利
    REACTOR Y PROCESO PARA PREPARAR SULFURO DE HIDROGENO 未知

    公开(公告)号：PE20121273A1

    公开(公告)日：2012-10-22

    申请号：PE2012000176

    申请日：2008-01-16

    Applicant: BASF AG

    Inventor： WOLFERT ANDREAS ,  JACHOW HARALD ,  DRIESS HEINZ

    IPC: C01B17/16

    Abstract: REFERIDO A UN REACTOR PARA PREPARAR DE MANERA CONTINUA H2S A PARTIR DE HIDROGENO Y AZUFRE, QUE COMPRENDE UN DISPOSITIVO DE DISTRIBUCION PARA DISTRIBUIR HIDROGENO GASEOSO EN UNA FUNDICION DE AZUFRE RESENTE AL MENOS EN UNA PARTE INFERIOR DEL REACTOR, EN DONDE EL DISPOSITIVO DE DISTRIBUCION SE ENCUENTRA COLOCADO EN LA FUNDICION DE AZUFRE Y COMPRENDE UNA PLACA DE DISTRIBUCION COLOCADA EN EL REACTOR Y POSEE UN BORDE QUE SE EXTIENDE HACIA ABAJO CON UNA REGION DEL BORDE, EN DONDE EL HIDROGENO SE DISTRIBUYE EN LA FUNDICION DE AZUFRE A PARTIR DE UNA BURBUJA DE HIDROGENO QUE SE FORMA DEBAJO DE LA PLACA DE DISTRIBUCION A TRAVES DE LA REGION DEL BORDE

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