Use of a predictive electrolyte equation of state for the calculation of the gas hydrate formation temperature in the case of systems with methanol and salts - Archive ouverte HAL Access content directly
Journal Articles Fluid Phase Equilibria Year : 2002

Use of a predictive electrolyte equation of state for the calculation of the gas hydrate formation temperature in the case of systems with methanol and salts

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Abstract

An electrolyte EOS based on Peneloux's non-electrolyte PR-EOS has been applied to the prediction of the temperature associated to the formation of gas hydrate from water-methanol-salts solutions. Original assumptions have been developed to allow the calculation of model ionic parameters from experimental solvation diameters. A mixing rule is used for the extension of the approach to water-methanol mixed solvents solutions. When applied to systems with CH4 and CO2 hydrates, the deviations between predicted equilibrium temperatures and calculated ones is less than I K over a wide range of conditions.

Dates and versions

hal-01212200 , version 1 (06-10-2015)

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Vinh Quang Vu, Pierre Duchet Suchaux, Walter Fürst. Use of a predictive electrolyte equation of state for the calculation of the gas hydrate formation temperature in the case of systems with methanol and salts. Fluid Phase Equilibria, 2002, 194-197, ⟨10.1016/S0378-3812(01)00713-0⟩. ⟨hal-01212200⟩

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