Journal of Thermodynamics / 2009 / Article / Tab 4

Review Article

Development of Predictive Techniques for Estimating Liquid Water-Hydrate Equilibrium of Water-Hydrocarbon System

Table 4

Experimental [10] and predicted/calculated solubility of methane in pure water being in equilibrium with gas hydrates (liquid water-hydrate equilibrium) [4].

𝑇 / K 𝑃 / M P a Experimental [10] methane solubility/mole fraction ( Γ— 1 0 3 )Predicted/calculated methane solubility using ANN algorithm/mole fraction ( Γ— 1 0 3 )AD%Predicted methane solubility using thermodynamic model/mole fraction ( Γ— 1 0 3 )AD%

274.353.51.1701.142.61.267.7
275.453.5 1 . 2 0 3 βˆ— 1.23 2.21.3411.4
274.155.01.1901.125.91.255.0
277.355.01.3601.392.21.5010.3
275.256.51.2011.210.71.3310.7
280.156.5 1 . 5 6 7 βˆ— βˆ— 1.687.21.7713.0

βˆ— D a t a used for testing.
βˆ— βˆ— D a t a used for validation (the remaining data were used for training).

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