Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Removal rate</td><td class="align_center" colspan="6">Correlation coefficient</td></tr><tr class="thead"><td class="align_center">AV content</td><td class="align_center">AV number</td><td class="align_center">AV volume</td><td class="align_center">Equivalent diameter</td><td class="align_center">Specific surface area</td><td class="align_center">Fractal dimension</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td class="align_left">Pb(II) (A)</td><td class="align_center">−0.731</td><td class="align_center">0.439</td><td class="align_center">−0.582</td><td class="align_center">−0.560</td><td class="align_center">0.299</td><td class="align_center">0.018</td></tr><tr><td class="align_left">Pb(II) (B)</td><td class="align_center">−0.697</td><td class="align_center">0.229</td><td class="align_center">−0.606</td><td class="align_center">−0.498</td><td class="align_center">−0.080</td><td class="align_center">0.237</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div><i>Note</i>. A and B in parentheses represent PAC-16(A) and PAC-16(B) specimens, respectively.<br/></div></td></tr></table>

<div>Correlations between removal rate of Pb(II) and parameters for characterizing voids in both.</div>

Advances in Materials Science and Engineering

tab7

Table 7

Table 7: Investigation on the Properties and Distribution of Air Voids in Porous Asphalt with Relevance to the Pb(II) Removal Performance 