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| Study on the Process of Extraction Ferronickel from Laterite by Electric Smelting |
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| DOI：doi：10.3969/j.issn.1007-7545.年份.期号.顺序号 |
| KeyWord:Laterite;Electric smelting;Ferronickel;Sulfur distribution ratio;Phosphorus distribution ratio; |
| LIU Zhi-hong,YANG Hui-lan,LI Qi-hou,ZHU De-qing,MA Xiao-bo |
| 1.School of Metallurgical Science and Engineering/a>;Central South University/a>;Changsha 410083/a>;China/a>;2.School of Minerals Processing & Bioengineering/a>;China |
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| Abstract: |
| The process of direct reducing smelting by electric furnace was adopted to extract ferronickel from laterite.The effect of reductant(coke) and flux(limestone) ratio on nickel grade in ferrous-nickel alloy and metal recovery were studied,effect and mechanism of slag component on sulphur and phosphorus distribution ratio(LS,LP) were analyzed.Comprehensively considered nickel grade and metal recovery,determined the optimum coke proportion was 11% and the optimum flux proportion is 11%.Under the optimal smeltin... |
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