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Résumé :
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Ion-based statistical associating fluid theory (SAFT2), coupled with the van der Waals and Platteeuw model for hydrate phase, is applied to describe the hydrate dissociation conditions for methane, ethane, and propane in the presence of single and mixed electrolyte solutions containing NaCl, KCl, and CaCl2. The model, which can be conveniently applied to mixed electrolyte solutions, is found to provide accurate predictions of the hydrate inhibition effects of these electrolyte solutions. The effect of different salt concentrations on the alkane hydrate dissociation conditions is also well-captured.
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