High xenon/krypton selectivity in a metal-organic framework with small pores and strong adsorption sites

被引：103

作者：

Bae, Youn-Sang ^{[1
]}

Hauser, Brad G. ^{[2
,3
]}

Colon, Yamil J. ^{[4
]}

Hupp, Joseph T. ^{[2
,3
]}

Farha, Omar K. ^{[2
,3
]}

Snurr, Randall Q. ^{[4
]}

机构：

[1] Yonsei Univ, Dept Chem & Biomol Engn, Seoul 120749, South Korea

[2] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

[3] Northwestern Univ, Int Inst Nanotechnol, Evanston, IL 60208 USA

[4] Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2013年 / 169卷

关键词：

Xenon; Krypton; Rare gases; Metal-organic framework (MOF); Separation; NOBLE-GASES; SEPARATION;

D O I：

10.1016/j.micromeso.2012.11.013

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Separation of Xe/Kr mixtures was studied in two copper-paddlewheel metal-organic framework materials, MOF-505 and HKUST-1. For MOF-505, which has small pores with strong adsorption sites, high Xe/Kr selectivities (9-10) are obtained from breakthrough measurements and grand canonical Monte Carlo (GCMC) simulations. The consistent results from both techniques suggest that MOF-505 is a promising candidate for Xe/Kr separation. For HKUST-1, which has small octahedral pores, only modest Xe/Kr selectivities (4.5) are observed from breakthrough measurements, although the GCMC simulations predicted unusually high selectivities at low loadings. (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：176 / 179

页数：4

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