Predicting Mixture Coadsorption in Soft Porous Crystals: Experimental and Theoretical Study of CO2/CH4 in MIL-53(Al)

被引:44
作者
Ortiz, Aurelie U. [1 ,2 ]
Springuel-Huet, Marie-Anne [3 ]
Coudert, Francois-Xavier [1 ,2 ]
Fuchs, Alain H. [1 ,2 ]
Boutin, Anne [4 ]
机构
[1] CNRS, F-75005 Paris, France
[2] Chim ParisTech, LECIME, UMR 7575, F-75005 Paris, France
[3] Univ Paris 06, Lab Chim Mat Condensee Paris, F-75252 Paris 05, France
[4] CNRS ENS UPMC, UMR 8640, Ecole Normale Super, Dept Chem, F-75005 Paris, France
关键词
METAL-ORGANIC FRAMEWORK; STRUCTURAL TRANSITION; ADSORPTION; CO2; THERMODYNAMICS; SEPARATION;
D O I
10.1021/la203925y
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We present a synergistic experimental and theoretical study of CO2/CH4 mixture coadsorption in breathing metal organic framework MIL-53(Al). Mixture adsorption experiments were performed and their results were analyzed by comparing them to predictions made from pure-component adsorption data using the Osmotic Framework Adsorption Solution Theory (OFAST). This analytical model, fully validated for the first time, was then used to predict coadsorption properties as a function of temperature, pressure, and mixture composition. The phase diagrams obtained show a surprising non-monotonic behavior.
引用
收藏
页码:494 / 498
页数:5
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