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首页> 外文期刊>Chemie-Ingenieur-Technik: Verfahrenstechnik Technische Chemie Apparatewesen Biotechnologie >MOF-Based Mixed-Matrix Membranes in Gas Separation - Mystery and Reality
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MOF-Based Mixed-Matrix Membranes in Gas Separation - Mystery and Reality

机译:基于MOF的气体分离混合膜-神秘与现实

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摘要

Microporous additives like nanosized metal-organic framework (MOF) particles can improve the gas separation performance of polymer membranes. These membranes which consist of added filler particles in a continuous polymer phase are called mixed-matrix membranes (MMM). While inorganic zeolites and organic polymers do not match well, the preparation of defect-free MOF-based MMMs is much easier. However, some problems can also occur during the preparation. Solutions how to avoid them and prepare perfect MMMs are given. In practical gas separation, the selectivity of the MMMs was found to be even higher than predicted by the Maxwell model.
机译:诸如纳米级金属-有机骨架(MOF)颗粒之类的微孔添加剂可以改善聚合物膜的气体分离性能。这些在连续聚合物相中由添加的填料颗粒组成的膜称为混合基质膜(MMM)。虽然无机沸石和有机聚合物不能很好地匹配,但基于MOF的无缺陷MMM的制备要容易得多。但是,在准备过程中也会出现一些问题。给出了如何避免它们并准备完善的MMM的解决方案。在实际的气体分离中,发现MMM的选择性甚至比Maxwell模型所预测的要高。

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