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    • 71. 发明申请
    • OLEFIN CONVERSION PROCESS
    • OLEFIN转换过程
    • WO2015077343A1
    • 2015-05-28
    • PCT/US2014/066420
    • 2014-11-19
    • LUMMUS TECHNOLOGY INC.
    • RAMACHANDRAN, BalaCHOI, Sukwon
    • C07C6/02C07C6/04C07C7/00C07C5/22
    • C07C6/04B01J8/0453B01J2208/025B01J2219/00006C07C5/2512C07C11/02C07C11/08
    • Processes for the production of high purity alpha olefins from a mixture of olefins are disclosed. The processes may include: contacting propylene and a hydrocarbon mixture comprising a mixture of olefins having a carbon number n with a first metathesis catalyst to form a metathesis product comprising a beta-olefin having a carbon number n+1, an alpha-olefin having a carbon number n-1, as well as any unreacted propylene and olefins having a carbon number n. The metathesis product may be fractionated to recover a fraction comprising the beta-olefm having a carbon number n+1. Ethylene and the fraction comprising the beta-olefm having a carbon number n+1 may then be contacted with a second metathesis catalyst to form a second metathesis product comprising an alpha-olefin having a carbon number n and propylene, which may be fractionated to form a propylene fraction and a fraction comprising the alpha olefin having a carbon number n.
    • 公开了从烯烃混合物生产高纯度α-烯烃的方法。 该方法可以包括:将丙烯和包含碳数为n的烯烃​​混合物的烃混合物与第一复分解催化剂接触以形成包含碳数为n + 1的β-烯烃的复分解产物,具有碳原子数为n + 碳数n-1,以及任何未反应的丙烯和碳数为n的烯烃​​。 复分解产物可以分馏以回收包含碳数为n + 1的β-烯烃的馏分。 然后可以将乙烯和包含碳数n + 1的β-烯烃的馏分与第二复分解催化剂接触以形成包含碳数为n的α-烯烃和丙烯的第二复分解产物,其可以分馏以形成 丙烯馏分和包含碳数为n的α-烯烃的级分。