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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >A microporous metal-organic framework for separation of CO2/N-2 and CO2/CH4 by fixed-bed adsorption
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A microporous metal-organic framework for separation of CO2/N-2 and CO2/CH4 by fixed-bed adsorption

机译:通过固定床吸附分离CO2 / N-2和CO2 / CH4的微孔金属有机骨架

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摘要

A microporous MOF Zn(BDC)(4,4'-Bipy)0.5 (MOF-508b, BDC = 1,4-benzenedicarboxylate, 4,4'-Bipy = 4,4'-bipyridine) was examined for the separation and removal of CO2 from its binary CO2/N-2 and CO2/CH4 and ternary CO2/CH4/N-2 mixtures by fixed-bed adsorption. With one-dimensional pores of about 4.0 x 4.0 angstrom to induce their differential interactions with the three components, MOF-508b exhibits highly selective adsorption to CO2 with the,adsorption capacity of 26.0 wt % at 303 K and 4.5 bar. This is the first example of microporous MOFs for the separation and removal of CO2 from its binary and ternary mixtures by fixed-bed adsorption, establishing the feasibility of the emerging microporous MOFs for their potential. applications in this very important industrial and environmental process.
机译:检查了微孔MOF Zn(BDC)(4,4'-Bipy)0.5(MOF-508b,BDC = 1,4-苯二甲酸,4,4'-Bipy = 4,4'-联吡啶)的分离和去除通过固定床吸附从二元CO2 / N-2和CO2 / CH4以及三元CO2 / CH4 / N-2混合物中分离出CO2。 MOF-508b具有约4.0 x 4.0埃的一维孔以诱导它们与这三种组分的不同相互作用,因此它在303 K和4.5 bar下对CO2的吸附选择性高,吸附能力为26.0 wt%。这是通过固定床吸附从二元和三元混合物中分离和去除CO2的微孔MOF的第一个例子,为新兴的微孔MOF的潜力确定了可行性。在这个非常重要的工业和环境过程中的应用。

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