Equilibrium adsorption measurements of pure Nitrogen, Carbon Dioxide, and Methane on a Carbon molecular sieve at cryogenic temperatures and high pressures†

G. Watson; E. F. May; B. F. Graham; M. A. Trebble; R.D. Trengove; K. I. Chan

doi:10.1021/je900224w

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Equilibrium adsorption measurements of pure Nitrogen, Carbon Dioxide, and Methane on a Carbon molecular sieve at cryogenic temperatures and high pressures†

Journal article

Peer reviewed

Equilibrium adsorption measurements of pure Nitrogen, Carbon Dioxide, and Methane on a Carbon molecular sieve at cryogenic temperatures and high pressures†

G. Watson, E. F. May, B. F. Graham, M. A. Trebble, R.D. Trengove and K. I. Chan

Journal of Chemical & Engineering Data, Vol.54(9)

2009

DOI: https://doi.org/10.1021/je900224w

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Abstract

A detailed experimental study of the adsorption behavior at equilibrium of pure nitrogen, methane, and carbon dioxide gases on a commercial carbon molecular sieve (Shirasagi MSC 3K-161) is reported at temperatures between 115 K to 323 K and pressures up to 5 MPa. A volumetric-type apparatus was used to obtain over 200 excess (Gibbs) adsorption capacity data over this range of pressure and temperature with an estimated uncertainty of 4 %. The absolute adsorption isotherms were type I in the IUPAC classification with the adsorption capacity at constant pressure increasing significantly with decreasing temperature. For each gas, the adsorption data were regressed to a four parameter Toth equation to represent the temperature and pressure dependence of the data with a relative standard uncertainty of 4 %. The optimized parameters from the Toth equation included the isosteric enthalpies of adsorption that were 17 kJ·mol−1, 27 kJ·mol−1, and 18 kJ·mol−1 for N2, CO2, and CH4, respectively.

Details

Title: Equilibrium adsorption measurements of pure Nitrogen, Carbon Dioxide, and Methane on a Carbon molecular sieve at cryogenic temperatures and high pressures†
Authors/Creators: G. Watson (Author/Creator) - The University of Western Australia
E. F. May (Author/Creator) - The University of Western Australia
B. F. Graham (Author/Creator) - The University of Western Australia
M. A. Trebble (Author/Creator) - The University of Western Australia
R.D. Trengove (Author/Creator) - The University of Western Australia
K. I. Chan (Author/Creator) - The University of Western Australia
Publication Details: Journal of Chemical & Engineering Data, Vol.54(9)
Publisher: American Chemical Society
Identifiers: 991005544185907891
Copyright: American Chemical Society
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Industry collaboration; Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.22 Inorganic & Nuclear Chemistry; 2.22.336 Metal-Organic Frameworks
Web Of Science research areas: Chemistry, Multidisciplinary; Engineering, Chemical; Thermodynamics
ESI research areas: Chemistry