Rationally tuned micropores within enantiopure metal-organic frameworks for highly selective separation of acetylene and ethylene
Rationally tuned micropores within enantiopure metal-organic frameworks for highly selective separation of acetylene and ethylene
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DOI：
10.1038/ncomms1206
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发表时间：
2011-02-01
影响因子：
16.6
通讯作者：
Chen, Banglin
中科院分区：
文献类型：
--
作者：
Xiang, Sheng-Chang;Zhang, Zhangjing;Chen, Banglin
乙炔和乙烯的分离是一个重要的工业过程，因为这两种化合物是一系列化学产品和材料的基本试剂。目前的分离方法包括在负载型Pd催化剂上将乙炔部分氢化成乙烯，以及使用有机溶剂萃取裂化烯烃;这两种路线都是昂贵且耗能的。吸附技术可允许分离，但迄今为止尚未实现表现出对C2 H2/C2 H4的高度选择性吸附的微孔材料。在这里，我们报告了可调微孔对映体纯混合金属有机框架（M 'MOF）材料的发展，用于高选择性分离C2 H2和C2 H4。所获得的高选择性表明微孔M 'M0 Fs用于C2 H2/C2 H4的实际基于吸附的分离的潜在应用。
Separation of acetylene and ethylene is an important industrial process because both compounds are essential reagents for a range of chemical products and materials. Current separation approaches include the partial hydrogenation of acetylene into ethylene over a supported Pd catalyst, and the extraction of cracked olefins using an organic solvent; both routes are costly and energy consuming. Adsorption technologies may allow separation, but microporous materials exhibiting highly selective adsorption of C2H2/C2H4 have not been realized to date. Here, we report the development of tunable microporous enantiopure mixed-metal-organic framework (M'MOF) materials for highly selective separation of C2H2 and C2H4. The high selectivities achieved suggest the potential application of microporous M'MOFs for practical adsorption-based separation of C2H2/C2H4.