First Determination of Volume Changes and Enthalpies of the High-Pressure Decomposition Reaction of the Structure H Methane Hydrate to the Cubic Structure I Methane Hydrate and Fluid Methane

Pressure−temperature (P − T) conditions of the decomposition reaction of the structure H high-pressure methane hydrate to the cubic structure I methane hydrate and fluid methane were studied with a piston−cylinder apparatus at room temperature. For the first time, volume changes accompanying this re...

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Bibliographic Details
Published in:The journal of physical chemistry. B 2007-11, Vol.111 (44), p.12795-12798
Main Authors: Ogienko, Andrey G, Tkacz, Marek, Manakov, Andrey Yu, Lipkowski, Janusz
Format: Article
Language:English
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Summary:Pressure−temperature (P − T) conditions of the decomposition reaction of the structure H high-pressure methane hydrate to the cubic structure I methane hydrate and fluid methane were studied with a piston−cylinder apparatus at room temperature. For the first time, volume changes accompanying this reaction were determined. With the use of the Clausius−Clapeyron equation the enthalpies of the decomposition reaction of the structure H high-pressure methane hydrate to the cubic structure I methane hydrate and fluid methane have been calculated.
ISSN:1520-6106
1520-5207
DOI:10.1021/jp0731553