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Reduction Kinetics of a Natural Ilmenite by Graphite
Wang Yu-ming1,2; Yuan Zhang-fu2; Tan Qiang-qiang2; Wang, YM
2009-10-01
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume16Issue:0Pages:1357-1361
AbstractReduction of Bama ilmenite concentrate containing 49.78 mass% TiO(2) and 27.96 mass% total Fe by graphite was studied using thermogravimetric analysis system under argon gas ambient at elevated temperature. The reduction degree of Bama ilmenite enhanced with increasing temperature, the reaction rate varied with temperature and reduction time simultaneously. The phase transformation, the chemical composition, the microstructure and morphology of reduced samples were investigated by using X-ray diffraction, Scanning electron microscopy, Energy disperse spectroscopy respectively. The high impurities content of Bama ilmenite evidently bated the reduction of ilmenite. Forming the enrichment zone of manganese prevented complete reduction of Fe(2+). The reduction products were mostly reduced iron, rutile, reduced rutiles, Ti(3)O(5) and pseudobrookite solid solution. The reduction kinetics was also discussed. The results showed that the reduction temperature was a key factor to control reaction rate.
KeywordBama Ilmenite Reduction Thermogravimetry Impurity Kinetics
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI ; ISTP
Language英语
WOS KeywordCARBON ; ORE
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000273086500164
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6577
Collection多相复杂系统国家重点实验室
Corresponding AuthorWang, YM
Affiliation1.Baoshan Iron & Steel Co Ltd, Inst Ironmaking Res, Shanghai 201900, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase & Complex Syst, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wang Yu-ming,Yuan Zhang-fu,Tan Qiang-qiang,et al. Reduction Kinetics of a Natural Ilmenite by Graphite[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2009,16(0):1357-1361.
APA Wang Yu-ming,Yuan Zhang-fu,Tan Qiang-qiang,&Wang, YM.(2009).Reduction Kinetics of a Natural Ilmenite by Graphite.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,16(0),1357-1361.
MLA Wang Yu-ming,et al."Reduction Kinetics of a Natural Ilmenite by Graphite".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 16.0(2009):1357-1361.
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