Method of purifying olefins using pyrrolidinium-based or piperidinium-based ionic liquids comprising copper (I) halide
    4.
    发明授权
    Method of purifying olefins using pyrrolidinium-based or piperidinium-based ionic liquids comprising copper (I) halide 有权
    使用包含卤化铜(I)的吡咯烷鎓基或哌啶鎓基离子液体来纯化烯烃的方法

    公开(公告)号:US08143470B2

    公开(公告)日:2012-03-27

    申请号:US12698615

    申请日:2010-02-02

    IPC分类号: C07C7/156

    摘要: The present invention relates to a method of purifying olefin, the method comprising removing a small amount of acetylenic compounds contained in olefin by using pyrrolidinium-based or piperidinium-based ionic liquid mixtures comprising copper (I) halide. According to the method of the present invention, copper (I) halide is stabilized by pyrrolidinium-based or piperidinium-based ionic liquids, suppressing the oxidation of Cu(I) into Cu(II), whereby the capacity of removing acetylenic compounds can be maintained for a long time and the selective removal rate of acetylenic compounds to olefin can be significantly improved. In addition, since the ionic liquid mixtures comprising copper (I) halide used in the method of the present invention can be applied to both absorption and extraction processes, it can effectively remove acetylenic compounds from olefin in a more simple and economical way compared to the existing adsorption and membrane separation processes.

    摘要翻译: 本发明涉及一种纯化烯烃的方法,该方法包括通过使用包含卤化铜(I)的吡咯烷鎓基或哌啶鎓基离子液体混合物除去少量烯烃中所含的炔属化合物。 根据本发明的方法,通过吡咯烷鎓基或哌啶鎓离子液体来稳定卤化铜(I),抑制Cu(I)氧化为Cu(II),从而除去炔属化合物的能力可以为 维持了很长时间,可以显着提高炔属化合物对烯烃的选择性去除率。 此外,由于在本发明方法中使用的包含卤化铜(I)的离子液体混合物可以同时应用于吸收和萃取过程中,所以它可以以比较简单和经济的方式从烯烃中有效地除去炔属化合物 现有的吸附和膜分离过程。

    Ionic liquids, the method for preparing the same and method for removing acetylenes from olefin mixtures using the ionic liquids
    5.
    发明授权
    Ionic liquids, the method for preparing the same and method for removing acetylenes from olefin mixtures using the ionic liquids 有权
    离子液体,其制备方法和使用离子液体从烯烃混合物中除去乙炔的方法

    公开(公告)号:US08785711B2

    公开(公告)日:2014-07-22

    申请号:US12970346

    申请日:2010-12-16

    IPC分类号: C07C7/11

    摘要: There are provided an ionic liquid having ether group(s) in which a copper(I) compound is included, a method for preparing the same, and a method for removing traces amounts of acetylene-based hydrocarbon compounds included in olefin by absorption or extraction using the same. When the disclosed solution is used, oxidation of Cu(I) to Cu(II) is prevented since CuX is stabilized by the ionic liquid. Thus, selective removal efficiency of acetylenic compounds is improved greatly while the removal performance is retained for a long period of time. Further, since the solution according to the present disclosure is applicable as an extractant as well as an absorbent, the associated operation is simple and apparatus cost can be decreased.

    摘要翻译: 提供了具有其中包含铜(I)化合物的醚基的离子液体,其制备方法和通过吸收或提取除去烯烃中痕量的乙炔类烃化合物的方法 使用相同 当使用所公开的溶液时,防止Cu(I)氧化为Cu(II),因为CuX被离子液体稳定。 因此,在除去性能长时间保持的同时,炔属化合物的选择性除去效率大大提高。 此外,由于根据本公开的溶液可用作萃取剂和吸收剂,因此相关操作简单,并且可以降低装置成本。

    Method of Purifying Olefins Using Pyrrolidinium-Based or Piperidinium-Based Ionic Liquids Comprising Copper (I) Halide
    6.
    发明申请
    Method of Purifying Olefins Using Pyrrolidinium-Based or Piperidinium-Based Ionic Liquids Comprising Copper (I) Halide 有权
    使用包含铜(I)卤化物的基于吡咯烷鎓或铱基离子液体来净化烯烃的方法

    公开(公告)号:US20110092758A1

    公开(公告)日:2011-04-21

    申请号:US12698615

    申请日:2010-02-02

    IPC分类号: C07C7/148 C09K3/00

    摘要: The present invention relates to a method of purifying olefin, the method comprising removing a small amount of acetylenic compounds contained in olefin by using pyrrolidinium-based or piperidinium-based ionic liquid mixtures comprising copper (I) halide. According to the method of the present invention, copper (I) halide is stabilized by pyrrolidinium-based or piperidinium-based ionic liquids, suppressing the oxidation of Cu(I) into Cu(II), whereby the capacity of removing acetylenic compounds can be maintained for a long time and the selective removal rate of acetylenic compounds to olefin can be significantly improved. In addition, since the ionic liquid mixtures comprising copper (I) halide used in the method of the present invention can be applied to both absorption and extraction processes, it can effectively remove acetylenic compounds from olefin in a more simple and economical way compared to the existing adsorption and membrane separation processes.

    摘要翻译: 本发明涉及一种纯化烯烃的方法,该方法包括通过使用包含卤化铜(I)的吡咯烷鎓基或哌啶鎓基离子液体混合物除去少量烯烃中所含的炔属化合物。 根据本发明的方法,通过吡咯烷鎓基或哌啶鎓离子液体来稳定卤化铜(I),抑制Cu(I)氧化为Cu(II),从而除去炔属化合物的能力可以为 维持了很长时间,可以显着提高炔属化合物对烯烃的选择性去除率。 此外,由于在本发明方法中使用的包含卤化铜(I)的离子液体混合物可以同时应用于吸收和萃取过程中,所以它可以以比较简单和经济的方式从烯烃中有效地除去炔属化合物 现有的吸附和膜分离过程。