Review Article

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

Table 9

Experimental [9] and predicted/calculated solubility of C O 2 in water at equilibrium with gas hydrates (liquid water-hydrate equilibrium) [3].

𝑇 / K 𝑃 / M P a Experimental C O 2 solubility [9]/mole fractionPredicted/calculated C O 2 solubility using thermodynamic model/mole fractionAD%

275.952.0 0 . 0 1 7 3 0.01730.0
273.952.00.01640.014114.0
277.053.70.01960.01836.6
274.153.70.01580.01439.5
278.154.20.01980.02001.0
274.054.20.01560.01429.0
274.055.00.01630.014212.9
278.055.00.01980.01990.5
282.855.00.02750.030510.9
274.256.00.01630.01554.9
276.456.00.01920.01872.6
282.956.00.02810.03089.6

T h i s experimental data was used to adjust the activity coefficient of water.