Separation of ethyltoluene isomers
    13.
    发明授权
    Separation of ethyltoluene isomers 失效
    乙基甲苯异构体的分离

    公开(公告)号:US4996388A

    公开(公告)日:1991-02-26

    申请号:US558355

    申请日:1990-07-26

    IPC分类号: C07C7/13

    CPC分类号: C07C7/13

    摘要: A process of separating the ortho, meta and para isomers of ethyltoluene. One aspect employs a ferrierite absorbent which separates the para isomer from a mixture of the same and at least one of the meta and ortho isomers. A second aspect employs a silicalite absorbent which separates the ortho isomer from a mixture of the same and the meta isomer. A third aspect combines the ferrierite and silicalite absorbents in sequence to separate a mixture of the ortho, meta and para isomers into the essentially pure compounds.

    摘要翻译: 分离乙基甲苯的邻位,间位和对位异构体的方法。 一方面使用镁碱沸石吸收剂,其将对位异构体与其相同的元素和邻位异构体中的至少一种的混合物分离。 第二方面采用硅质吸收剂,其将邻位异构体与其相同的混合物和间位异构体分离。 第三方面依次将镁碱沸石和硅沸石吸收剂组合,将邻位异构体,间位异构体和对位异构体的混合物分离成基本上纯的化合物。