Water may be adsorbed in microporous or mesoporous materials from the liquid phase or from the gaseous, or vapor, phase. In either case, the fluid state of the adsorbed water molecules may be liquid or vapor as well, depending on several factors inherent to the adsorbate itself. This work sought to understand these factors using an equation of state reported in the literature recently. It was determined that the model’s predicted contribution of the hydrogen bonding to the Helmholtz free energy was less than expected. The estimation of the magnitude of hydrogen bonding appears to be more realistic if positive contributions of four neighbors is included rather than one. The model also appears to involve quite sensitive calculations, which may be prone to precision errors.
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8 February 2002
Research Article|
February 08 2002
Observations on an equation of state for water confined in narrow slit-pores
Arjan Giaya;
Arjan Giaya
Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts 01609
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Robert W. Thompson
Robert W. Thompson
Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts 01609
Search for other works by this author on:
Arjan Giaya
Robert W. Thompson
Department of Chemical Engineering, Worcester Polytechnic Institute, Worcester, Massachusetts 01609
J. Chem. Phys. 116, 2565–2571 (2002)
Article history
Received:
July 16 2001
Accepted:
November 09 2001
Connected Content
A related article has been published:
Comment on “Observations on an equation of state for water confined in narrow slit-pores” [J. Chem. Phys. 116, 2565 (2002)]
Citation
Arjan Giaya, Robert W. Thompson; Observations on an equation of state for water confined in narrow slit-pores. J. Chem. Phys. 8 February 2002; 116 (6): 2565–2571. https://doi.org/10.1063/1.1432318
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