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The Influence of Composition on Crystallization and Liberation Behavior of Ti-Rich Phase in Ti-Bearing Slags
Wang, Zhen; Liu, Xinwei; Zhang, Lei; Zhu, Qingshan
2016
发表期刊TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS
ISSN0972-2815
卷号69期号:1页码:97-105
摘要Crystallization behavior, liberation and beneficiation of Ti-rich phases precipitated from Ti-bearing slag of smelting process for titanomagnetite were systematically investigated. For the slags containing 40-55 % TiO2, anosovite can precipitate as the main Ti-rich phase, especially as the TiO2/MgO/Al2O3 content is relatively high and basicity [R = w(CaO)/w(SiO2)] is low. In particular, as the content of MgO is low, crystallization of rutile is dominant and most of the Ti element is enriched in rutile. Based on the results of variation in the Ti enriched phases within the whole composition, the crystallization diagram of Ti-rich phases has been constructed in the present study. Slags with compositions being in the optimal ranges in the crystallization diagram shows the most satisfactory liberation degree and beneficiation response. By gravity separation, the TiO2 content of the slag can be upgraded to nearly 70 %. In addition, compared with perovskite and rutile, anosovite grains show much bigger sizes since the growth of anosovite crystals is easier under the same condition.
关键词Titanomagnetite Ti-bearing Slag Crystallization Anosovite Liberation Beneficiation
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1007/s12666-015-0720-8
收录类别SCI
语种英语
关键词[WOS]BLAST-FURNACE SLAG ; TITANIA
WOS研究方向Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China(51404226 ; 21325628)
WOS记录号WOS:000367829500012
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20267
专题多相复杂系统国家重点实验室
作者单位Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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Wang, Zhen,Liu, Xinwei,Zhang, Lei,et al. The Influence of Composition on Crystallization and Liberation Behavior of Ti-Rich Phase in Ti-Bearing Slags[J]. TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS,2016,69(1):97-105.
APA Wang, Zhen,Liu, Xinwei,Zhang, Lei,&Zhu, Qingshan.(2016).The Influence of Composition on Crystallization and Liberation Behavior of Ti-Rich Phase in Ti-Bearing Slags.TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS,69(1),97-105.
MLA Wang, Zhen,et al."The Influence of Composition on Crystallization and Liberation Behavior of Ti-Rich Phase in Ti-Bearing Slags".TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS 69.1(2016):97-105.
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