Migration Behavior of Components in Converter Slag during Smelting Reduction Process Using Aluminum Dross

Xiang SHEN; Min CHEN; Xiaorui ZHENG

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Migration Behavior of Components in Converter Slag during Smelting Reduction Process Using Aluminum Dross

机译：铝渣冶炼减少过程中转换器炉渣组件的迁移行为

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In order to efficiently recycle valuable element from the molten converter slag and enhance utilization ratio and added value of the slag, a novel aluminothermic smelting reduction process using aluminum dross as reductant was investigated from component migration and reduction kinetics, meanwhile the reduction mechanism of smelting reduction process of molten converter slag using aluminum dross was discussed. The results showed that the reduction of FeO firstly occurred with the Al/(FeO + MnO + P_2O_5) mass ratio≤0.27, and MnO began to be reduced with the ratio increasing to 0.33. Further increasing the ratio to 0.40, P_2O_5 could be reduced from the molten slag. Moreover, the contents of FeO, MnO and P_2O_5 in molten slag decreased sharply within the first 4 min, 6 min, and 6 min respectively and stabilized thereafter, and the Al_2O_3 content was increased dramatically over the first 6 min and followed by a continuity increase. Recovery of metal was increased to a maximum of 99.32% with the mass ratio increasing, and the crude alloy content containing Fe, Mn, and P was up to 93.31%, 1.98%, and 4.72%, respectively.

机译：为了有效地回收有价值元件从熔融的转炉渣和提高利用率和炉渣的附加值，使用铝渣作为还原剂的新型铝热还原熔炼过程是从组分的迁移和还原动力学研究，同时熔融还原的减速机构讨论了熔融的转炉渣使用铝渣的过程。结果表明的FeO的还原首先与所述Al /（FeO的+ MnO的+ P_2O_5）质量ratio≤0.27发生，和MnO开始与比率增加至0.33减小。进一步增加了比0.40，P_2O_5可从熔渣被减小。此外，FeO的，MnO和P_2O_5的熔融炉渣中的内容的第一个4分钟，6分钟内急剧下降，并分别为6分钟，并且其后稳定，并Al_2O_3的含量通过连续性增幅比前6分钟急剧增加和随后。金属的回收提高到与质量比增加最多99.32％，和含有Fe，Mn和P中的粗合金含量分别高达93.31％，1.98％，和4.72％。

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来源
《ISIJ international》 |2021年第1期|49-54|共6页
作者
Xiang SHEN; Min CHEN; Xiaorui ZHENG;
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作者单位

Key Laboratory for Ecological Metallurgy of Multimetallic Ores (Ministy of Education) Northeastern University 3-11 Wen-Hua Road Shenyang 110819 China School of Metallurgy Northeastern University 3-11 Wen-Hua Road Shenyang 110819 China;

Key Laboratory for Ecological Metallurgy of Multimetallic Ores (Ministy of Education) Northeastern University 3-11 Wen-Hua Road Shenyang 110819 China School of Metallurgy Northeastern University 3-11 Wen-Hua Road Shenyang 110819 China;

School of Metallurgy Northeastern University 3-11 Wen-Hua Road Shenyang 110819 China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
molten converter slag; aluminum dross; component migration; reduction kinetic;

机译：熔化转换器炉渣;铝渣;组件迁移;减少动力学;

Migration Behavior of Components in Converter Slag during Smelting Reduction Process Using Aluminum Dross

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