Separation of Benzene and Cyclohexane by Nonporous Adaptive Crystals of Hybrid[3]arene,Journal of the American Chemical Society

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Separation of Benzene and Cyclohexane by Nonporous Adaptive Crystals of Hybrid[3]arene
Journal of the American Chemical Society ( IF 14.4 ) Pub Date : 2020-01-22 , DOI: 10.1021/jacs.9b13548
Jiong Zhou ₁ , Guocan Yu ₁ , Qing Li ₁ , Mengbin Wang ₁ , Feihe Huang ₁

Affiliation

The separation of benzene and cyclohexane is one of the most challenging tasks in the petrochemical field. However, conventional separation methods are subjected to cumbersome operation, huge energy expenditure or use of entrainers. Herein, we develop an environmentally-friendly and energy saving adsorptive separation strategy using nonporous adaptive crystals of hybrid[3]arene (1). Adaptive 1 crystals separate benzene from a benzene/cyclohexane equimolar mixture with purity of 97.5%. The selectivity comes from the stability and variability of the new crystal structure upon capture of the preferred guest. Moreover, the reversible transformations between the nonporous guest-free structure and the guest-containing structure make 1 highly recyclable.

中文翻译：

杂化[3]芳烃无孔自适应晶体分离苯和环己烷

苯和环己烷的分离是石化领域最具挑战性的任务之一。然而，传统的分离方法操作繁琐、能源消耗大或使用夹带剂。在此，我们使用杂化 [3] 芳烃 (1) 的无孔自适应晶体开发了一种环保节能的吸附分离策略。适应性 1 晶体将苯从苯/环己烷等摩尔混合物中分离出来，纯度为 97.5%。选择性来自捕获首选客体后新晶体结构的稳定性和可变性。此外，无孔无客体结构和含客体结构之间的可逆转变使 1 具有高度可回收性。

更新日期：2020-01-22

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