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Phase equilibria of carbon dioxide and methane gas-hydrates predicted with the modified analytical S-L-V equation of state
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SYSNO ASEP 0368090 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Phase equilibria of carbon dioxide and methane gas-hydrates predicted with the modified analytical S-L-V equation of state Author(s) Vinš, Václav (UT-L) RID, ORCID
Jäger, A. (DE)
Hrubý, Jan (UT-L) RID, ORCID
Span, R. (DE)Number of authors 4 Source Title International Conference Experimental Fluid Mechanics 2011, 1. - Liberec : TU Liberec, 2011 / Vít T. ; Dančová P. ; Novotný P. - ISBN 978-80-7372-784-0 Pages s. 1040-1052 Number of pages 13 s. Publication form CD ROM - CD ROM Action Experimental Fluid Mechanics 2011 Event date 22.11.2011-25.11.2011 VEvent location Jičín Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords equation of state ; gas-hydrate ; aqueous solutions Subject RIV BJ - Thermodynamics R&D Projects GAP101/11/1593 GA ČR - Czech Science Foundation (CSF) GPP101/11/P046 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) DOI 10.1051/epjconf/20122501098 Annotation Gas-hydrates (clathrates) are non-stoichiometric crystallized solutions of gas molecules in the metastable water lattice. Two or more components are associated without ordinary chemical union but through complete enclosure of gas molecules in a framework of water molecules linked together by hydrogen bonds. The clathrates are important in the following applications: the pipeline blockage in natural gas industry, potential energy source in the form of natural hydrates present in ocean bottom, and the CO2 separation and storage. In this study, we have modified an analytical solid-liquid-vapor equation of state (EoS) [A. Yokozeki, Fluid Phase Equil. 222–223 (2004)] to improve its ability for modeling the phase equilibria of clathrates. The EoS can predict the formation conditions for CO2- and CH4-hydrates. It will be used as an initial estimate for a more complicated hydrate model based on the fundamental EoSs for fluid phases. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2012
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