Low-temperature adsorption of methane on microporous AU-1 carbon adsorbent

In this work, isotherms of absolute adsorption of methane on microporous AU-1 carbon adsorbent have been measured in the pressure range from 30 Pa to 6 MPa and temperature range from 178 to 273 K. Adsorption isosteres of methane have been plotted according to experimental data. Isosteres are approxi...

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Published inProtection of metals and physical chemistry of surfaces Vol. 50; no. 1; pp. 15 - 21
Main Authors Strizhenov, E. M., Shkolin, A. V., Fomkin, A. A., Sinitsyn, V. A., Zherdev, A. A., Smirnov, I. A., Pulin, A. L.
Format Journal Article
LanguageEnglish
Published Boston Springer US 2014
Springer Nature B.V
Subjects
Adsorbents
Adsorption
Approximation
Carbon
Characterization and Evaluation of Materials
Chemistry and Materials Science
Corrosion and Coatings
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Isotherms
Materials Science
Mathematical analysis
Metallic Materials
Methane
Physicochemical Processes at the Interfaces
Surface chemistry
Tribology
High Filling
Model Pore
Micropore Volume
Methane Molecule
Carbon Adsorbent
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Summary:In this work, isotherms of absolute adsorption of methane on microporous AU-1 carbon adsorbent have been measured in the pressure range from 30 Pa to 6 MPa and temperature range from 178 to 273 K. Adsorption isosteres of methane have been plotted according to experimental data. Isosteres are approximated well by lines in ln p = f (1/ T ) a coordinates. Differential molar heats of adsorption of methane on this adsorbent have been calculated on the basis of experimental isotherms. Theses regarding the structure of adsorbed substance based on thermodynamic analysis have been proved by molecular-dynamic calculations.
Bibliography:ObjectType-Article-1
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ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205114010146