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Phase equilibria of clathrate hydrates of methane + carbon dioxide: New experimental data and predictions

Dominique Richon 1, * Amir H. Mohammadi 1
* Corresponding author
1 CEP/Fontainebleau
CEP - Centre Énergétique et Procédés
Abstract : In this communication, we report experimental dissociation conditions for region clathrate hydrates of methane + carbon dioxide in gas–liquid water–hydrate (G–Lw–H) equilibrium. The temperature and pressure conditions are in the range of (279.1–289.9) K and (2.96–13.06) MPa, respectively. Concentra- tions of carbon dioxide in the feed gas are also varied. An isochoric pressure-search method was used to perform the measurements. The dissociation data generated in this work along with the literature data are compared with the predictions of a thermodynamic model and a previously reported empirical equation. A discussion is made on the deviations between the experimental and predicted data.
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Submitted on : Friday, March 4, 2011 - 4:47:10 PM
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Dominique Richon, Amir H. Mohammadi. Phase equilibria of clathrate hydrates of methane + carbon dioxide: New experimental data and predictions. Fluid Phase Equilibria, Elsevier, 2010, 296, pp.60-65. ⟨10.1016/j.fluid.2010.03.038⟩. ⟨hal-00573803⟩

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