Journal of Thermodynamics / 2009 / Article / Tab 5

Review Article

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

Table 5

Experimental [11] and predicted/calculated solubility of methane in pure water being in equilibrium with gas hydrates (liquid water-hydrate equilibrium) [4].

๐‘‡ / K ๐‘ƒ / M P a Experimental [11] methane solubility/mole fraction ( ร— 1 0 3 )Predicted/calculated methane solubility using ANN algorithm/mole fraction ( ร— 1 0 3 )AD%Predicted methane solubility using thermodynamic model/mole fraction ( ร— 1 0 3 )AD%

276.25.01.331.293.01.405.3
277.95.11.591.458.81.552.5
279.95.11.751.665.11.750.0
280.55.11.861.727.51.812.7
276.410.1 1 . 3 3 โˆ— 1.311.51.416.0
278.710.21.591.533.81.4210.7
280.110.21.751.684.01.771.1
280.710.21.861.755.91.841.1
276.712.71.331.330.01.459.0
278.912.7 1 . 5 9 โˆ— โˆ— 1.552.51.653.8
280.412.71.751.712.31.802.9
281.112.71.861.793.81.881.1
276.914.31.331.351.51.469.8
279.214.41.591.580.61.685.7
280.614.31.751.731.11.824.0
281.714.3 1 . 8 8 โˆ— โˆ— 1.870.51.943.2

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

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