Solubility Optimal System for Supercritical Fluid Extraction Based on a New Nonlinear Temperature-Pressure Decoupling Model Constructed with Unequal-Interval Grey Optimal Models and Peng-Robinson Models

<table class="fixed-width table-group" id="tab3"><tr><td><table class="table"><colgroup><col style="width:7.99em"/><col style="width:7.46em"/><col style="width:7.63em"/></colgroup><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Temperature (K)</td><td class="align_center">Pressure (MPa)</td><td class="align_center">Solubility (10<sup>−4</sup>)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">313.16</td><td class="align_center">6.4727</td><td class="align_center">3.1290</td></tr><tr><td class="align_left">318.25</td><td class="align_center">7.5386</td><td class="align_center">3.9730</td></tr><tr><td class="align_left">323.25</td><td class="align_center">8.5773</td><td class="align_center">4.3240</td></tr><tr><td class="align_left">328.35</td><td class="align_center">9.6285</td><td class="align_center">7.6790</td></tr><tr><td class="align_left">333.15</td><td class="align_center">10.6100</td><td class="align_center">12.0570</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Experimental data of biphenyl in supercritical CO<sub>2</sub>.</div>

Mathematical Problems in Engineering

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Table 3: Solubility Optimal System for Supercritical Fluid Extraction Based on a New Nonlinear Temperature-Pressure Decoupling Model Constructed with Unequal-Interval Grey Optimal Models and Peng-Robinson Models 

Table 3 | Solubility Optimal System for Supercritical Fluid Extraction Based on a New Nonlinear Temperature-Pressure Decoupling Model Constructed with Unequal-Interval Grey Optimal Models and Peng-Robinson Models 