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High pressure adsorption of hydrogen, nitrogen, carbon dioxide and methane on the metal–organic framework HKUST-1

  • High pressure adsorption phenomena are discussed for different gases on HKUST-1 (Cu3(BTC)2, commercially available product BasoliteTM C300). Sorption isotherms for hydrogen, nitrogen, methane and carbon dioxide on HKUST-1 were measured in the temperature range of 273–343 K and at pressures up to 50 MPa. The calculated surface excess adsorption capacities for all four adsorptive are one of theHigh pressure adsorption phenomena are discussed for different gases on HKUST-1 (Cu3(BTC)2, commercially available product BasoliteTM C300). Sorption isotherms for hydrogen, nitrogen, methane and carbon dioxide on HKUST-1 were measured in the temperature range of 273–343 K and at pressures up to 50 MPa. The calculated surface excess adsorption capacities for all four adsorptive are one of the highest reported in the literature for HKUST-1 samples. All surface excess data were further calculated from the experimental data by using the helium buoyancy correction. A detailed description was given. Also a procedure to calculate the absolute amount adsorbed from the surface excess amount by using two different models is shown. Using one model, the density and the volume of the adsorbed phase can be calculated. The density of the adsorbed phase ρads corresponds to the liquid density of the adsorptive at its boiling point ρliq,BP. In case of hydrogen no excess maximum was found up to 50 MPa, so that one model could not be applied. Finally, the isosteric heat of adsorption for each gas was calculated by using the Clausius–Clapeyron equation.show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/3534
Bibliografische Angaben
Title (English):High pressure adsorption of hydrogen, nitrogen, carbon dioxide and methane on the metal–organic framework HKUST-1
Title Additional (German):Eine Untersuchung zur Adsorption von Wasserstoff, Stickstoff, Kohlendioxid und Methan auf dem metallorganischen Gerüstwerkstoff HKUST-1 bei hohen Drücken
Author:Jens MöllmerStaff MemberGND, Andreas Möller, Frieder Dreisbach, Roger Gläser, Reiner StaudtStaff MemberGND
Date of Publication (online):2010/09/25
Publisher:Elsevier
First Page:140
Last Page:148
Parent Title (English):Microporous and Mesoporous Materials
Volume:138
Issue:1-3
ISSN:1387-1811
DOI:https://doi.org/10.1016/j.micromeso.2010.09.013
Language:English
Inhaltliche Informationen
Institutes:Fakultät Maschinenbau und Verfahrenstechnik (M+V)
Institutes:Bibliografie
GND Keyword:Adsorption; Hochdruck; Kohlendioxid; Methan
Formale Angaben
Open Access: Closed Access 
Licence (German):License LogoUrheberrechtlich geschützt