Wing chair
    5.
    外观设计
    Wing chair 有权
    翼椅

    公开(公告)号:USD619385S1

    公开(公告)日:2010-07-13

    申请号:US29315708

    申请日:2009-07-16

    Applicant: Peter Schultz

    Designer: Peter Schultz

    Separation of Propylene Oxide from a Mixture Comprising Propylene Oxide and Methanol
    7.
    发明申请
    Separation of Propylene Oxide from a Mixture Comprising Propylene Oxide and Methanol 有权
    从包含环氧丙烷和甲醇的混合物中分离出环氧丙烷

    公开(公告)号:US20090118523A1

    公开(公告)日:2009-05-07

    申请号:US11631843

    申请日:2005-07-06

    CPC classification number: C07D301/32 C07D301/12

    Abstract: A method of separating propylene oxide from a mixture (M) comprising propylene oxide and methanol, said method comprising: (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing an extracting solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column as top stream; (iv) withdrawing a bottoms stream from said extractive distillation column; (v) compressing the top stream obtained overhead in (iii) by means of at least one compressor to give a compressed vapor.

    Abstract translation: 一种从包含环氧丙烷和甲醇的混合物(M)中分离环氧丙烷的方法,所述方法包括:(i)将所述混合物(M)引入萃取蒸馏塔; (ii)另外将萃取溶剂引入所述​​萃取蒸馏塔中; (iii)从所述萃取蒸馏塔顶部馏出环氧丙烷作为顶部流; (iv)从所述萃取蒸馏塔中取出塔底物​​流; (v)通过至少一个压缩机压缩在(iii)中获得的塔顶馏出物的顶部流以产生压缩蒸汽。

Patent Agency Ranking