| 低品位高钛渣中钛组分制备金红石(英文) |
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| 引用本文： | 张力,李光强,张武.低品位高钛渣中钛组分制备金红石(英文)[J].中国有色金属学会会刊,2011(10):2317-2322. |
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| 作者姓名： | 张力 李光强 张武 |
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| 作者单位： | 东北大学材料与冶金学院;武汉科技大学材料与冶金学院; |
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| 基金项目： | Project(FMRU2007K10)supported by the Open Research Fund of Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education,China |
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| 摘 要： | 介绍了以70%～75%TiO2的低品位高钛渣为原料制备人造金红石的分离工艺。低品位高钛渣中MgO,FeO,CaO,Al2O3和SiO2进入杂质相,钛组分进入金红石相,金红石相中TiO2品位达到90%～95%,可满足流态化氯化对杂质的要求。1050℃的低温预氧化与1510℃的高温热处理促使渣中分散于各矿物相的钛组分选择性转移并富集于金红石相,金红石相析出与长大,用稀硫酸和稀盐酸实现金红石相的分离。实验结果表明,金红石矿物相平均晶粒度可以达到25μm,通过稀酸选择性浸出改性渣,可以获得95%TiO2品位的人造金红石。
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| 关 键 词： | 高钛渣 氧化 浸出 金红石 |
Synthesis of rutile from high titania slag by pyrometallurgical route |
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| ZHANG Li,LI Guang-qiang,ZHANG Wu .School of Materials , Metallurgy,Northeastern University,Shenyang ,China,.School of Materials , Metallurgy,Wuhan University of Science , Technology,Wuhan.Synthesis of rutile from high titania slag by pyrometallurgical route[J].Transactions of Nonferrous Metals Society of China,2011(10):2317-2322. |
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| Authors: | ZHANG Li LI Guang-qiang ZHANG Wu School of Materials Metallurgy Northeastern University Shenyang China School of Materials Metallurgy Wuhan University of Science Technology Wuhan |
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| Affiliation: | ZHANG Li1,LI Guang-qiang2,ZHANG Wu1 1.School of Materials and Metallurgy,Northeastern University,Shenyang 110004,China,2.School of Materials and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081 |
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| Abstract: | |
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| Keywords: | high titania slag oxidation leaching rutile |
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