Efficient CO2 Removal for Ultra<bold>-</bold>Pure CO Production by Two Hybrid Ultramicroporous Materials

被引：49

作者：

Chen, Kai-Jie ^{[1
]}

Yang, Qing-Yuan ^{[1
]}

Sen, Susan ^{[2
]}

Madden, David G. ^{[1
]}

Kumar, Amrit ^{[1
]}

Pham, Tony ^{[3
]}

Forrest, Katherine A. ^{[3
]}

Hosono, Nobuhiko ^{[2
]}

Space, Brian ^{[3
]}

Kitagawa, Susumu ^{[2
]}

Zaworotko, Michael J. ^{[1
]}

机构：

[1] Univ Limerick, Bernal Inst, Dept Chem Sci, Limerick, Ireland

[2] Kyoto Univ, Inst Integrated Cell Mat Sci WPI iCeMS, Nishikyo Ku, Kyoto 6158530, Japan

[3] Univ S Florida, Dept Chem, 4202 E Fowler Ave,CHE205, Tampa, FL 33620 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2018年 / 57卷 / 13期

基金：

美国国家科学基金会; 日本学术振兴会;

关键词：

CO production; CO2; capture; gas separation; hybrid ultramicroporous materials; trace CO2 removal; METAL-ORGANIC FRAMEWORK; CARBON-DIOXIDE UPTAKE; COORDINATION POLYMER; GAS-MIXTURES; CU-BTC; ADSORPTION; CAPTURE; SEPARATION; SORPTION; N-2;

D O I：

10.1002/anie.201706090

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Removal of CO2 from CO gas mixtures is a necessary but challenging step during production of ultra-pure CO as processed from either steam reforming of hydrocarbons or CO2 reduction. Herein, two hybrid ultramicroporous materials (HUMs), SIFSIX-3-Ni and TIFSIX-2-Cu-i, which are known to exhibit strong affinity for CO2, were examined with respect to their performance for this separation. The single-gas CO sorption isotherms of these HUMs were measured for the first time and are indicative of weak affinity for CO and benchmark CO2/CO selectivity (>4000 for SIFSIX-3-Ni). This prompted us to conduct dynamic breakthrough experiments and compare performance with other porous materials. Ultra-pure CO (99.99%) was thereby obtained from CO gas mixtures containing both trace (1%) and bulk (50%) levels of CO2 in a one-step physisorption-based separation process.

引用

页码：3332 / 3336

页数：5

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