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

<table>Estimated solubility of single hydrocarbon hydrate former in pure water being in equilibrium with gas hydrates. Symbols: experimental data reported in Tables <a href="../tab11/">3</a>–<a href="../tab5/">8</a>. Lines: estimated values using <i>ANN</i> algorithm (from top to bottom: methane, ethane, propane, and <svg height="9.9250002" id="M231" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 4.9875002 9.9250002" width="4.9875002" xmlns="http://www.w3.org/2000/svg">
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<text transform="matrix(1,0,0,-1,-71.95,64.25)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑖</tspan>
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</svg>-butane (the heaviest simple hydrocarbon hydrate former)) [<a href="/journals/jther/2009/120481/#B4">4</a>].</table>

Journal of Thermodynamics

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Figure 2

Figure 2: Development of Predictive Techniques for Estimating Liquid Water-Hydrate Equilibrium of Water-Hydrocarbon System 