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| Allotment Behavior of Chromium between Iron Melt and Molten Slag in Melting Reduction of Stainless Steel Slag |
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Received:March 30, 2011
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.09.001 |
| KeyWord:Stainless steel slag；Chromium；Melting reduction；Orthogonal test；Pattern recognition |
| Author | Institution |
| GUO Jie |
上海大学 上海市现代冶金与材料制备重点实验室 |
| LIN Jiang-duo |
上海大学 上海市现代冶金与材料制备重点实验室 |
| LIU Zhi-peng |
上海大学 上海市现代冶金与材料制备重点实验室 |
| LI Qiu-ju |
上海大学 上海市现代冶金与材料制备重点实验室 |
| HONG Xin |
上海大学 上海市现代冶金与材料制备重点实验室 |
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| Abstract: |
| The effects of reaction temperature, slag basicity, Al2O3 content and initial Cr content in bath on allotment behavior of chromite between iron melt and molten slag were studied through orthogonal experiments for melting reduction of stainless slag. The experiments were carried out in a furnace with graphite crucible employing carbon saturated dissolved in liquid iron as a reducing agent. The results showed that slag basicity was the primary factor for chromium reduction, which was followed by Al2O3 content in slag, initial Cr content in iron bath and reaction temperature. Besides, Pattern-Recognition-Method was applied for classification analog and optimization of the experimental samples, from which better reduction parameters of chromium oxide in slag was obtained. |
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