Thermodynamic stability of structure H hydrates based on the molecular properties of large guest molecules

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DOIResolve DOI: http://doi.org/10.3390/en5020459
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TypeArticle
Journal titleEnergies
ISSN1996-1073
Volume5
Issue2
Pages459465; # of pages: 7
SubjectClathrate hydrate; Equilibrium pressure; Gasphase; Guest molecules; Hydrate stabilities; Large molecule guest substance; Molecular properties; Molecular size; Molecule sizes; Structure H-hydrate; Gas hydrates; Gases; Hydration; Methane; Phase equilibria; Thermodynamic stability; Molecules
AbstractThis paper report analyses of thermodynamic stability of structure-H clathrate hydrates formed with methane and large guest molecules in terms of their gas phase molecular sizes and molar masses for the selection of a large guest molecule providing better hydrate stability. We investigated the correlation among the gas phase molecular sizes, the molar masses of large molecule guest substances, and the equilibrium pressures. The results suggest that there exists a molecular-size value for the best stability. Also, at a given molecule size, better stability may be available when the large molecule guest substance has a larger molar mass. © 2012 by the authors; licensee MDPI, Basel, Switzerland.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Steacie Institute for Molecular Sciences (SIMS-ISSM)
Peer reviewedYes
NPARC number21269189
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Record identifierd4718ac2-37b3-4241-8318-9eb15cc82688
Record created2013-12-12
Record modified2016-05-09
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