用离子液体浸渍膜去除混合气体中的硫化氢

Safety in Technosphere Pub Date : 2018-08-09 DOI:10.12737/ARTICLE_5B5F0086E5B4D7.40486881

А. И. Ахметшина, A. Ahmetshina, А. Мечергуи, A. Mechergui, Александр Александрович Петухов, A. Petuhov, А. В. Воротынцев, A. Vorotyncev, Мария Дмитриевна Сергеева, M. Sergeeva, Иль Владимирович Воротынцев, I. Vorotyncev

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引用次数: 0

摘要

本文研究了1-丁基- 3-甲基咪唑四氟硼酸盐(bmim [BF4])和1-丁基- 3-甲基咪唑醋酸盐(bmim [ace])固定化多孔膜对CH4、CO2和H2S的气体输运特性。研究了单个气体及其二元混合物CO2/CH4和H2S/CH4的输运特性。有研究表明，对于二元气体混合物，酸性气体分离的最高效率是在含有bmim [ace]的膜上实现的。实验结果表明，对于按简化输运机制运行的膜，离子液体固定的渗透剂浓度越小，分离系数越高。

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Removal of Hydrogen Sulfide from Gas Mixtures Using Membranes Impregnated with Ionic Liquids

In this paper have been considered gas transport properties of porous membranes immobilized by 1-butyl‑3-methylimidazolium tetrafluoroborate (bmim [BF4]) and 1-butyl‑3-methylimidazolium acetate (bmim [ace]) toward CH4, CO2 and H2S. Have been investigated transport features of individual gases as well as theirs binary mixtures CO2/CH4 and H2S/CH4. It has been stated that for binary gas mixtures the highest efficiency of acidic gases separation is achieved on membranes containing bmim [ace]. It has been shown experimentally that for a membrane operating according to mechanism of simplified transport, the separation factor increases with diminishing of concentration for penetrant fixed by ionic liquid.

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Safety in Technosphere

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