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    Multistage process for the preparation of oxo aldehydes and/or alcohols
    2.
    发明授权
    Multistage process for the preparation of oxo aldehydes and/or alcohols 有权
    用于制备羰基醛和/或醇的多步法

    公开(公告)号：US06482992B2

    公开(公告)日：2002-11-19

    申请号：US09904893

    申请日：2001-07-16

    申请人： Bernhard Scholz ,  Franz Nierlich ,  Alfred Kaizik ,  Dieter Hess ,  Wilfried Bueschken ,  Klaus-Diether Wiese ,  Dirk Roettger ,  Guido Protzmann

    发明人： Bernhard Scholz ,  Franz Nierlich ,  Alfred Kaizik ,  Dieter Hess ,  Wilfried Bueschken ,  Klaus-Diether Wiese ,  Dirk Roettger ,  Guido Protzmann

    IPC分类号： C07C4550

    CPC分类号： C07C45/50 ,  C07C29/16 ,  C07C31/125 ,  C07C47/02

    摘要： Olefins are hydroformylated to give alcohols and/or aldehydes in a plurality of hydroformylation stages, each of which comprises: a) hydroformylating olefins having a carbon atom content of 6 to 24 carbon atoms in the presence of a cobalt- or rhodium catalyst in a reactor to the point of conversion of olefin reactant to product of 20 to 98%; b) removing the catalyst from the resulting liquid discharged from the reactor; c) separating the resulting liquid hydroformylation mixture into a low-boiler fraction comprising olefins and paraffins, and a bottoms fraction comprising aldehydes and/or alcohols; and d) reacting the olefins present in the low-boiler fraction in subsequent process stages comprising steps a, b and c and combining the bottoms fractions of process steps c) of all process stages.

    摘要翻译： 烯烃被加氢甲酰化以在多个加氢甲酰化阶段中产生醇和/或醛，其各自包括：a）在反应器中的钴或铑催化剂存在下，碳原子含量为6至24个碳原子的烯烃加氢甲酰化 到烯烃反应物转化为产物的程度为20至98％; b）从从反应器排出的所得液体中除去催化剂; c）将所得液体加氢甲酰化混合物分离成包含烯烃和链烷烃的低沸点馏分，以及 包含醛和/或醇的底部馏分; 和在下列工艺阶段中存在的低沸点馏分中存在的烯烃反应，包括步骤a，b和c，并组合所有工艺步骤的工艺步骤c）的底部馏分。

    Process for preparing 3-methylbut-1-ene
    4.
    发明授权
    Process for preparing 3-methylbut-1-ene 有权
    3-甲基丁-1-烯的制备方法

    公开(公告)号：US08143468B2

    公开(公告)日：2012-03-27

    申请号：US12300224

    申请日：2007-05-11

    申请人： Alfred Kaizik ,  Klaus-Diether Wiese ,  Dietrich Maschmeyer ,  Dieter Hess ,  Wilfried Bueschken ,  Franz Nierlich

    发明人： Alfred Kaizik ,  Klaus-Diether Wiese ,  Dietrich Maschmeyer ,  Dieter Hess ,  Wilfried Bueschken ,  Franz Nierlich

    IPC分类号： C08F110/08 ,  C07C5/27

    CPC分类号： C07C1/24 ,  Y02P20/127 ,  C07C11/10

    摘要： The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.

    摘要翻译： 本发明涉及从包含异丁烯的烃流I中制备3-甲基丁-1-烯，该烃流包含相对于存在于烃流中的烯烃至少70质量％的异丁烯的烃流II，其中 已经从烃流I获得或者与加氢甲酰化的方法步骤相同，其中异丁烯在铑催化剂的存在下被加氢甲酰化，氢化从异丁烯的加氢甲酰化得到的醛到相应的醇，并制备3-甲基丁酸， 1-ene由酒精消除水分。

    Stabilizing rhodium catalysts for the hydroformylation of olefins
    10.
    发明授权
    Stabilizing rhodium catalysts for the hydroformylation of olefins 有权
    稳定的铑催化剂用于烯烃的加氢甲酰化

    公开(公告)号：US06500991B2

    公开(公告)日：2002-12-31

    申请号：US09960936

    申请日：2001-09-25

    申请人： Klaus-Diether Wiese ,  Martin Trocha ,  Dirk Röettger ,  Walter Töetsch ,  Alfred Kaizik ,  Wilfried Büschken

    发明人： Klaus-Diether Wiese ,  Martin Trocha ,  Dirk Röettger ,  Walter Töetsch ,  Alfred Kaizik ,  Wilfried Büschken

    IPC分类号： C07C4550

    CPC分类号： B01J31/185 ,  B01J31/04 ,  B01J31/4046 ,  B01J2231/321 ,  B01J2531/822 ,  C07C45/50 ,  Y02P20/584 ,  C07C47/02

    摘要： Aldehydes are prepared by a process, which comprises: hydroformylating olefins having 3 to 21 carbon atoms under an atmosphere of CO/H2 in the presence of a rhodium catalyst in a hydroformylation reactor; and upon discharging the reaction product from the reactor, a) separating the discharged material into a gaseous phase and a liquid phase, b) separating the liquid phase into a top fraction containing unconverted olefins and aldehydes and a bottoms fraction containing the rhodium catalyst, and c) cooling the bottoms fraction below the temperature of the material discharged from the hydroformylation reactor and feeding a gas containing carbon monoxide into the bottoms fraction.

    摘要翻译： 醛通过一种方法制备，该方法包括：在加氢甲酰化反应器中在铑催化剂存在下，在CO / H 2的气氛下加氢甲酰化具有3至21个碳原子的烯烃; 然后将反应产物从反应器中排出，a）将排出的物质分离成气相和液相，b）将液相分离成含有未转化的烯烃和醛的顶级馏分和含有铑催化剂的塔底馏分，和c） 将底部馏分冷却至低于从加氢甲酰化反应器排放的物质的温度，并将含有一氧化碳的气体进料到塔底馏分中。