Transfer Mechanism of Lanthanum from Rare Earth Containing Iron Ore to Pig Iron during the Blast Furnace Process

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Samples</td><td class="align_center">In graphite (ppm)</td><td class="align_center">In ferritic matrix (ppm)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" colspan="2">Baotou steel pig iron</td><td class="align_center">88.15</td><td class="align_center">0.13</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="3">Pig irons treated by blast furnace slag</td><td class="align_center">Original slag</td><td class="align_center">86.76</td><td class="align_center">0.11</td></tr><tr><td class="align_center">La-enriched slag 1</td><td class="align_center">376.63</td><td class="align_center">0.19</td></tr><tr><td class="align_center">La-enriched slag 2</td><td class="align_center">933.54</td><td class="align_center">0.21</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Lanthanum concentrations in the pig irons.</div>

Advances in Materials Science and Engineering

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Table 5

Table 5: Transfer Mechanism of Lanthanum from Rare Earth Containing Iron Ore to Pig Iron during the Blast Furnace Process 