Journal of Thermodynamics / 2009 / Article / Tab 6

Review Article

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

Table 6

Experimental [16] and predicted solubility of ethane in pure water being in equilibrium with gas hydrates (liquid water-hydrate equilibrium) [4].

𝑇 / K 𝑃 / M P a Experimental [16] ethane solubility/mole fraction ( × 1 0 4 ) Predicted ethane solubility using ANN algorithm/mole fraction ( × 1 0 4 )AD%Predicted ethane solubility using thermodynamic model/mole fraction ( × 1 0 4 )AD%

277.31514.125.0021.44.9119.2
277.821014.125.1725.55.1324.5
278.461514.125.4031.15.4231.6

E x p e r i m e n t a l solubility data are not temperature dependent and cannot be considered reliable. Therefore, the pseudo-experimental data generated from the thermodynamic model were used for training.

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