<li><p><strong>K</strong> – equilibrium expressions for stage 0 to <em>N</em></p></li>
<li><p><strong>F</strong> – feed flow rate into stage for stage 0 to <em>N</em></p></li>
<li><p><strong>z</strong> – feed composition into stage for stage 0 to <em>N</em></p></li>
<li><p><strong>Distillate</strong> – distillate flow rate</p></li>
<li><p><strong>Bottoms</strong> – bottoms flow rate</p></li>
<li><p><strong>N</strong> – number of equilibrium stages</p></li>
</ul>
</dd>
<dt class="field-even">Retu