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    PROCESS FOR PREPARING CARBOXYLIC ESTERS BY REACTIVE DISTILLATION
    1.
    发明申请
    PROCESS FOR PREPARING CARBOXYLIC ESTERS BY REACTIVE DISTILLATION 审中-公开
    反应蒸馏法制备羧酸酯的方法

    公开(公告)号：WO2011131643A3

    公开(公告)日：2011-12-29

    申请号：PCT/EP2011056189

    申请日：2011-04-19

    Applicant: BASF SE ,  KRONEMAYER HELMUT ,  DAHLHOFF ELLEN ,  LANVER ANDREAS

    Inventor： KRONEMAYER HELMUT ,  DAHLHOFF ELLEN ,  LANVER ANDREAS

    IPC: C07C67/03

    CPC classification number: C07C67/03 ,  Y02P20/127 ,  C07C69/06

    Abstract: In a process for preparing carboxylic esters by transesterification, a first feed stream comprising a first carboxylic ester, e.g. methyl formate, is introduced at the side into a reaction column at a first inlet located between the top and the bottom of the reaction column and a second feed stream comprising a first alcohol, e.g. ethanol, is introduced at the side into the reaction column at a second inlet located above the first inlet and the feed streams are reacted in a reaction zone of the reaction column to form a second carboxylic ester and a second alcohol. The first alcohol has a higher molecular weight than the second alcohol. A product fraction comprising the second carboxylic ester and unreacted first carboxylic ester is taken off at an offtake located above the second inlet. A bottom fraction comprising the second alcohol and unreacted first alcohol is taken off at the bottom of the reaction column. The product fraction is separated by distillation at a pressure which is different from the pressure in the reaction column into second carboxylic ester and a fraction containing unreacted first carboxylic ester and the fraction containing unreacted first carboxylic ester is at least partly recirculated to the reaction zone.

    Abstract translation: 在通过酯交换反应制备羧酸酯的方法中，第一种进料包含第一种羧酸酯， 当甲酸甲酯包含时，位于反应塔的顶部和底部之间的至少一个第一进料点横向进入反应塔，并且第二进料包含第一醇，以用于。 作为乙醇，在位于第一进料点上方的第二进料点横向引入反应塔中，并在反应塔的反应区中反应以形成第二羧酸酯和第二醇。 第一种醇比第二种醇具有更高的分子量。 在位于第二进料点之上的取出点处，取出包含第二羧酸酯和未反应的第一羧酸酯的产物馏分。 在反应塔的底部，取出包含第二醇和未反应的第一醇的塔底馏分。 通过蒸馏进入第二Carbonsäureester和未反应的第一Carbonsäureester馏分产物部分的压力是从在反应塔中的压力不同的是分离的，并含有至少部分地返回到反应区中的未反应的第一Carbonsäureester所得的级分。

    PURIFICATION OF CARBOXYLIC ESTERS BY EXTRACTIVE DISTILLATION
    4.
    发明申请
    PURIFICATION OF CARBOXYLIC ESTERS BY EXTRACTIVE DISTILLATION 审中-公开
    萃取精馏法净化羧酸酯

    公开(公告)号：WO2011131609A2

    公开(公告)日：2011-10-27

    申请号：PCT/EP2011056110

    申请日：2011-04-18

    Applicant: BASF SE ,  KRONEMAYER HELMUT ,  DAHLHOFF ELLEN ,  LANVER ANDREAS

    Inventor： KRONEMAYER HELMUT ,  DAHLHOFF ELLEN ,  LANVER ANDREAS

    IPC: C07C67/54

    CPC classification number: C07C67/54 ,  C07C69/06

    Abstract: In a process for purifying carboxylic esters such as ethyl formate, a carboxylic ester to be purified is distilled in the presence of an extractant, preferably by (a) allowing vapour of the carboxylic ester to be purified to ascend in a distillation column; (b) conveying the extractant in countercurrent to the vapour in an extractive distillation zone; (c) taking off pure carboxylic ester above the extractive distillation zone. The extractant is selected, for example, from among diols, polyols, open-chain or cyclic amides.

    Abstract translation: 在用于Carbonsäureestern，如甲酸乙酯的纯化方法，蒸馏一个Carbonsäureester到在提取剂的存在下进行清洗，优选通过使提升到在蒸馏塔进行清洗Carbonsäureester（a）所述蒸气; （b）将萃取剂通入萃取蒸馏区的蒸气中; （c）在萃取蒸馏区上方汽提纯的羧酸酯。 萃取剂是例如 选自二醇，多元醇，开链或环状酰胺。

    Método para la degradación de formiatos
    5.
    发明专利
    Método para la degradación de formiatos 未知

    公开(公告)号：ES2691543T3

    公开(公告)日：2018-11-27

    申请号：ES15709452

    申请日：2015-03-05

    Applicant: BASF SE

    Inventor： PINKOS ROLF ,  MARION NICOLAS ,  KRONEMAYER HELMUT

    IPC: C07C29/141 ,  C07C29/90 ,  C07C31/20

    Abstract: Un proceso para descomponer formiatos en composiciones de materia que contienen formiato, que comprende hacer reaccionar composiciones de materia que contienen formiato en presencia de al menos un catalizador heterogéneo que comprende lantano y a una temperatura de 80 a 180 ° C y una presión de 0,1 a 60 bar, en donde las composiciones de materia que contienen formiato tienen un pH de 6,5 a 10, en donde el catalizador es un catalizador de óxido de lantano/cobre/óxido de cobre/óxido de aluminio, que comprende del 4 al 15% en peso de lantano considerado como La2O3 y con base en el peso total del catalizador, y la composición de materia que contiene formiato comprende compuestos de carbonilo formados por una reacción aldólica de alcanales con formaldehído y/o sus correspondientes productos de hidrogenación, y al menos el 50% en peso de formiato se descompone.

    METHOD FOR BREAKDOWN OF FORMATES
    6.
    发明专利
    METHOD FOR BREAKDOWN OF FORMATES 未知

    公开(公告)号：SG11201606975RA

    公开(公告)日：2016-10-28

    申请号：SG11201606975R

    申请日：2015-03-05

    Applicant: BASF SE

    Inventor： PINKOS ROLF ,  MARION NICOLAS ,  KRONEMAYER HELMUT

    IPC: C07C29/141 ,  C07C29/90 ,  C07C31/20

    Abstract: A process for decomposing formates in formate-containing compositions of matter comprises reacting formate-containing compositions of matter in the presence of at least one heterogeneous catalyst comprising lanthanum and at a temperature of from 80 to 180° C. and a pressure of from 0.1 to 60 bar, the formate-containing compositions of matter having a pH of from 6.5 to 10.

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