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Effects of the continuous cooling process conditions on the crystallization and liberation characteristics of anosovite in Ti-bearing titanomagnetite smelting slag
Wang, Zhen1,2; Sun, Hao-yan1; Zhu, Qing-shan1,2
2019-09-01
Source PublicationINTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
ISSN1674-4799
Volume26Issue:9Pages:1120-1128
AbstractThis study involved the investigation of the effects of the continuous cooling process conditions on the crystallization and liberation characteristics of anosovite in Ti-bearing titanomagnetite smelting slag. The samples were heated until melting and then the temperature was held at 1650 degrees C for nearly 0.5 h; subsequently, the samples were cooled at different cooling rates to different temperatures and water- quenched after being held for different times at these temperatures. Last, the obtained crystallized samples were used to analyze the crystallization and liberation characteristics. It was found that, during the continuous cooling process, anosovite particles were found to initially precipitate in the slag at a relatively high crystallization temperature, showing the characteristics of euhedral crystal. The precipitation and growth of anosovite grain is strong and the morphology of anosovite was basically not affected by the continuous cooling conditions. From the morphology perspective, the formed anosovite is an excellent Ti-rich phase to be selective separated. The formation of spinel and diopside is negative for the liberation and selective separation of the anosovite phase. The crystallization diagrams of TiO2-MgO-CaO-SiO2-Al2O3-FeO slag undergoing different continuous cooling processes were constructed to help to determine the optimal continuous cooling-quenching condition for selective separation of anosovite. Moreover, the addition of B2O3 can enlarge the range of the optimal continuous cooling-quenching conditions for selective separation of anosovite.
Keywordtitanium-bearing slag crystallization anosovite liberation titanomagnetite
DOI10.1007/s12613-019-1830-9
Language英语
WOS KeywordBLAST-FURNACE SLAG ; PRECIPITATION BEHAVIOR ; PEROVSKITE PHASE ; TITANIUM
Funding ProjectNational Natural Science Foundation of China[51404226] ; National Natural Science Foundation of China[21736010]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Mining & Mineral Processing
Funding OrganizationNational Natural Science Foundation of China
WOS IDWOS:000486208100008
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31028
Collection中国科学院过程工程研究所
Corresponding AuthorWang, Zhen; Zhu, Qing-shan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, Zhen,Sun, Hao-yan,Zhu, Qing-shan. Effects of the continuous cooling process conditions on the crystallization and liberation characteristics of anosovite in Ti-bearing titanomagnetite smelting slag[J]. INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,2019,26(9):1120-1128.
APA Wang, Zhen,Sun, Hao-yan,&Zhu, Qing-shan.(2019).Effects of the continuous cooling process conditions on the crystallization and liberation characteristics of anosovite in Ti-bearing titanomagnetite smelting slag.INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS,26(9),1120-1128.
MLA Wang, Zhen,et al."Effects of the continuous cooling process conditions on the crystallization and liberation characteristics of anosovite in Ti-bearing titanomagnetite smelting slag".INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS 26.9(2019):1120-1128.
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