Journal of Thermodynamics / 2009 / Article / Tab 7

Review Article

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

Table 7

Experimental [11] 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 [11] 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%

277.310.14.375.0014.44.9012.1
277.815.14.375.1718.35.1217.2
278.520.14.375.4224.05.4324.3

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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