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="tab2"><tr><td><table class="table"><colgroup><col style="width:10.61em"/><col style="width:4.69em"/><col style="width:4.71em"/><col style="width:4.69em"/><col style="width:4.68em"/><col style="width:4.58em"/><col style="width:4.76em"/></colgroup><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Time (min)</td><td class="align_center">0</td><td class="align_center">43</td><td class="align_center">97</td><td class="align_center">147</td><td class="align_center">183</td><td class="align_center">210</td></tr><tr><td class="align_left" colspan="7"><hr/></td></tr><tr><td class="align_left">Temperature (K)</td><td class="align_center">313.05</td><td class="align_center">316.75</td><td class="align_center">318.45</td><td class="align_center">322.85</td><td class="align_center">327.95</td><td class="align_center">332.85</td></tr><tr><td class="align_left" colspan="7"><hr/></td></tr><tr><td class="align_left">Pressure (MPa)</td><td class="align_center">8.00</td><td class="align_center">8.40</td><td class="align_center">9.10</td><td class="align_center">9.64</td><td class="align_center">10.20</td><td class="align_center">10.72</td></tr><tr><td class="align_left" colspan="7"><hr/></td></tr><tr><td class="align_left" rowspan="2">Temperature UEIGOM</td><td class="align_center">313.4697</td><td class="align_center">316.6856</td><td class="align_center">320.7714</td><td class="align_center">324.6015</td><td class="align_center">327.3875</td><td class="align_center">329.4927</td></tr><tr><td class="align_center" colspan="6"><span class="nowrap"><svg height="8.8423pt" id="M151" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 58.0316 8.8423" width="58.0316pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M645 631C614 643 545 666 457 666C215 666 23 519 23 283C23 90 158 -16 337 -16C412 -16 489 2 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121 628 18 567 18S494 119 494 170C494 223 506 322 566 322Z" id="g121-35"></path></g></svg></td></tr><tr><td class="align_left" colspan="7"><hr/></td></tr><tr><td class="align_left" rowspan="2">Pressure UEIGOM</td><td class="align_center">7.8164</td><td class="align_center">8.3336</td><td class="align_center">9.0318</td><td class="align_center">9.7304</td><td class="align_center">10.2666</td><td class="align_center">10.6880</td></tr><tr><td class="align_center" colspan="6"><span class="nowrap"><svg height="8.8423pt" id="M153" style="vertical-align:-0.2064009pt" version="1.1" viewbox="-0.0498162 -8.6359 58.0316 8.8423" width="58.0316pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M645 631C614 643 545 666 457 666C215 666 23 519 23 283C23 90 158 -16 337 -16C412 -16 489 2 522 10C543 39 590 127 606 167L580 181C519 89 459 18 348 18C201 18 122 136 122 287C122 464 244 632 435 632C544 632 602 595 608 472L639 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504 265 453C265 405 257 302 194 302C133 302 122 403 122 454S133 605 193 605ZM567 351C465 351 421 250 421 169C421 90 465 -12 566 -12S710 90 710 170S667 351 567 351ZM566 322C628 322 637 221 637 169C637 121 628 18 567 18S494 119 494 170C494 223 506 322 566 322Z" id="g121-35"></path></g></svg></td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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

Mathematical Problems in Engineering

tab2

Table 2

Table 2: 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 2 | 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 