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    A PROCESS FOR PREPARING PROPYLENE OXIDE
    6.
    发明公开
    A PROCESS FOR PREPARING PROPYLENE OXIDE 审中-公开
    VERFAHREN ZUR HERSTELLUNG VON PROPYLENOXID

    公开(公告)号：EP3024579A1

    公开(公告)日：2016-06-01

    申请号：EP14739188.2

    申请日：2014-07-16

    Applicant: BASF SE ,  Dow Global Technologies LLC

    Inventor： TELES, Joaquim Henrique ,  SEELIG, Bianca ,  RIEDEL, Dominic ,  KAMPE, Philip ,  URBANCZYK, Daniel ,  WEBER, Markus ,  MÜLLER, Ulrich ,  PARVULESCU, Andrei-Nicolae ,  GUMLICH, Kai ,  BASSLER, Peter ,  BARTOSCH, Christian ,  JACUBINAS, Richard ,  WEIDENBACH, Meinolf ,  WITZL, Werner

    IPC: B01J29/89 ,  B01J37/02 ,  C07D301/12 ,  B01J27/16

    CPC classification number: C07D301/12 ,  B01J27/18 ,  B01J27/188 ,  B01J29/7038 ,  B01J29/7088 ,  B01J35/002 ,  B01J35/1019 ,  B01J2229/186 ,  Y02P20/52

    Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a phosphorus oxyacid wherein the molar ratio of potassium relative to phosphorus in the at least one potassium salt of a phosphorus oxyacid is in the range of from 0.6 to 1.4; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW comprising zinc, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one dissolved potassium salt of a phosphorus oxyacid, optionally propene, and optionally propane.

    Abstract translation: 一种用于制备环氧丙烷的连续方法，包括（i）提供包含丙烯，过氧化氢，乙腈，水，任选的丙烷和至少一种溶解的含磷酸的钾盐的液体进料流，其中钾相对的摩尔比 至少一种含磷酸的钾盐中的磷在0.6至1.4的范围内; （ii）将（i）中提供的液体进料流送入包含催化剂的环氧化反应器中，所述催化剂包括含锌的结构型MVVW的钛沸石，并使该液体进料流在环氧化反应器中进行环氧化反应条件，得到反应混合物 包括环氧丙烷，乙腈，水，至少一种溶解的含磷酸的钾盐，任选的丙烯，以及任选的丙烷; （iii）从环氧化反应器中除去流出物流，流出物流包含环氧丙烷，乙腈，水，至少一部分溶解的磷酸钾盐，任选的丙烯和任选的丙烷。

    PROCESS FOR PRODUCING PROPYLENE OXIDE
    7.
    发明公开
    PROCESS FOR PRODUCING PROPYLENE OXIDE 有权
    生产环氧丙烷的方法

    公开(公告)号：EP2430009A1

    公开(公告)日：2012-03-21

    申请号：EP10715902.2

    申请日：2010-05-05

    Applicant: BASF SE ,  The Dow Chemical Company

    Inventor： KAMPE, Philip ,  RESCH, Peter ,  CHIN, Soo, Yin ,  BAßLER, Peter ,  MÜLLER, Ulrich ,  SCHINDLER, Götz-Peter ,  GÖBBEL, Hans-Georg ,  TELES, Joaquim, Henrique ,  GUMLICH, Kai ,  GRAßLER, Thomas ,  BARTOSCH, Christian ,  JACUBINAS, Richard ,  WEIDENBACH, Meinolf

    IPC: C07D301/12

    CPC classification number: C07D301/12 ,  Y02P20/52

    Abstract: A process for producing propylene oxide comprising reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (Gl) comprising propylene oxide, unreacted propene, and oxygen; separating propylene oxide from mixture (Gl) to give a mixture (GII) comprising propene and oxygen; and adding hydrogen to mixture (GII) and reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising copper in elemental and/or oxidic form on a support, wherein copper is present on the support in an amount of 30 to 80 wt.-% based on the whole catalyst and calculated as CuO.

    Abstract translation: 一种生产环氧丙烷的方法，包括在催化剂存在下使丙烯与过氧化氢反应，得到包含环氧丙烷，未反应的丙烯和氧的混合物（G1） 从混合物（G1）分离环氧丙烷以得到包含丙烯和氧的混合物（GII）; 并且在包含元素和/或氧化物形式的铜的催化剂存在下，在混合物（GII）中加氢并至少部分地通过与氢反应来还原混合物（GII）中包含的氧，其中铜存在于 基于整个催化剂的30-80重量％的载体并且以CuO计算。

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