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投稿时间：2016-09-26 修订日期：2016-10-10 录用日期：2016-10-10 网络发布日期：2016-12-21
投稿时间：2016-09-26 修订日期：2016-10-10 录用日期：2016-10-10 网络发布日期：2016-12-21
中文摘要: 在900~1 200 ℃范围内，通过还原失重试验研究了赤泥含碳球团的还原特性。结果表明，还原得到的金属化球团中铁元素总含量在60.7%以上，金属化率在83.48%以上。赤泥含碳球团的金属化率和还原速率均随温度的升高而增大，赤泥含碳球团的还原速率由碳的气化反应和界面化学反应混合控制，表观活化能为110.16~111.42 kJ/mol。
Abstract:Reduction characteristics of carbon-bearing pellets made from red mud were investigated at 900~1 200 ℃ by weight-loss experiments. The results show that metallization rate of metalized pellets with iron content of 60.7% is 83.48% above, which can be used as raw material for iron and steel metallurgy. Reaction fraction and conversion rate of pellets rises with increase of temperature at 900~1 200 ℃. Reduction rate of pellets is controlled by interface or local reaction and carbon gasification with activation energy of 110.16~111.42 kJ/mol.
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基金项目:国家自然科学基金资助项目（51374059）
| Author Name | Affiliation | |
| ning guo shan | Northeastern University | ninggs_neu@163.com |
| li shuai | ||
| zhang bo | ||
| liu cheng jun | ||
| jiang mao fa |
引用文本：
宁国山,李帅,张波,刘承军,姜茂发.赤泥含碳球团还原动力学[J].有色金属（冶炼部分）,2017(1):24-27.
ning guo shan,li shuai,zhang bo,liu cheng jun,jiang mao fa.Reduction Kinetics of Carbon-bearing Pellets of Red Mud[J].Nonferrous Metals (Extractive Metallurgy),2017(1):24-27.
宁国山,李帅,张波,刘承军,姜茂发.赤泥含碳球团还原动力学[J].有色金属（冶炼部分）,2017(1):24-27.
ning guo shan,li shuai,zhang bo,liu cheng jun,jiang mao fa.Reduction Kinetics of Carbon-bearing Pellets of Red Mud[J].Nonferrous Metals (Extractive Metallurgy),2017(1):24-27.
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