Geochemical Modeling of Trivalent Chromium Migration in Saline-Sodic Soil during Lasagna Process: Impact on Soil Physicochemical Properties

<div class="floats-full-page floats-full-page-other"><h2>Table 4</h2><div class="floats-full-page-caption">Design of experimental runs using the Box-Behnken design.</div><div class="floats-full-page-content"><table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr /></td></tr><tr class="thead"><td align="left">Run order</td><td align="center">Polarity reversal, <svg height="11.4625" id="M16" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 12.5875 11.4625" width="12.5875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M716 28l-8 -28h-254l8 28q55 5 66 17.5t5 47.5l-30 145h-232l-74 -138q-21 -43 -11 -54.5t72 -17.5l-6 -28h-235l8 28q53 7 73.5 21t53.5 70l319 540l33 8q6 -43 33 -176l80 -381q10 -49 26.5 -63t72.5 -19zM495 281l-49 264h-2l-149 -264h200z" id="x1D434"></path></g>
</svg> (hr)</td><td align="center">Voltage gradient, <svg height="11.175" id="M17" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.6125 11.175" width="10.6125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.113)"><path d="M594 511q0 -122 -171 -157l1 -2q158 -33 158 -159q0 -52 -34.5 -95t-90.5 -65q-76 -33 -217 -33h-223l8 28q63 5 79.5 19t26.5 72l83 426q9 48 -2.5 60t-77.5 17l6 28h259q195 0 195 -139zM499 509q0 59 -37 83t-91 24q-36 0 -51 -9q-17 -9 -22 -44l-35 -195h62&#10;q82 0 128 37t46 104zM481 199q0 71 -48 102.5t-121 31.5h-56l-37 -201q-11 -58 7.5 -77t80.5 -19q76 0 125 44.5t49 118.5z" id="x1D435"></path></g>
</svg> (V/cm)</td><td align="center">Concentration, <svg height="11.75" id="M18" style="vertical-align:-0.15048pt" version="1.1" viewbox="0 0 12.1125 11.75" width="12.1125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.4)"><path d="M682 629q-1 -16 -1.5 -72t-2.5 -86l-31 -4q-5 92 -51 129t-139 37q-100 0 -177 -49t-116 -125t-39 -162q0 -122 66 -201t182 -79q83 0 137 42.5t112 128.5l26 -15q-12 -31 -42.5 -88t-45.5 -75q-139 -27 -199 -27q-148 0 -243 81.5t-95 226.5q0 173 129.5 274.5&#10;t325.5 101.5q114 0 204 -38z" id="x1D436"></path></g>
</svg> (mg/kg)</td><td align="center">Remedial efficiency, %</td></tr><tr><td class="thead-hr" colspan="5"><hr /></td></tr><tr><td align="left">1</td><td align="center">0</td><td align="center">0.6</td><td align="center">20</td><td align="center">0.00</td></tr><tr><td align="left">2</td><td align="center">48</td><td align="center">0.6</td><td align="center">20</td><td align="center">0.00</td></tr><tr><td align="left">3</td><td align="center">24</td><td align="center">1</td><td align="center">20</td><td align="center">0.00</td></tr><tr><td align="left">4</td><td align="center">24</td><td align="center">1</td><td align="center">100</td><td align="center">0.00</td></tr><tr><td align="left">5</td><td align="center">24</td><td align="center">0.6</td><td align="center">60</td><td align="center">79.97</td></tr><tr><td align="left">6</td><td align="center">0</td><td align="center">1</td><td align="center">60</td><td align="center">72.73</td></tr><tr><td align="left">7</td><td align="center">24</td><td align="center">0.2</td><td align="center">20</td><td align="center">0.00</td></tr><tr><td align="left">8</td><td align="center">0</td><td align="center">0.2</td><td align="center">60</td><td align="center">36.93</td></tr><tr><td align="left">9</td><td align="center">48</td><td align="center">1</td><td align="center">60</td><td align="center">65.66</td></tr><tr><td align="left">10</td><td align="center">48</td><td align="center">0.6</td><td align="center">100</td><td align="center">0.00</td></tr><tr><td align="left">11</td><td align="center">0</td><td align="center">0.6</td><td align="center">100</td><td align="center">25.50</td></tr><tr><td align="left">12</td><td align="center">24</td><td align="center">0.2</td><td align="center">100</td><td align="center">0.00</td></tr><tr><td align="left">13</td><td align="center">48</td><td align="center">0.2</td><td align="center">60</td><td align="center">34.88</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr" /></td></tr></table></td></tr></table></div></div>

Table 4 | Geochemical Modeling of Trivalent Chromium Migration in Saline-Sodic Soil during Lasagna Process: Impact on Soil Physicochemical Properties

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Table 4: Geochemical Modeling of Trivalent Chromium Migration in Saline-Sodic Soil during Lasagna Process: Impact on Soil Physicochemical Properties

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Table 4

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