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Kinetics of reduction of iron oxide in CaO-SiO2-Al2O3-FetO slags with graphite powder
Alternative TitleJ. Iron Steel Res. Int.
Yang, XM; Huang, DB; Kong, LT; Yang, TJ; Xie, YS; Wang, DG
1998-04-01
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Volume5Issue:1Pages:21-27
AbstractThe reduction rate of FetO in CaO-SiO2-Al2O3-FetO slags with graphite powder has been determined in an alumina crucible at 1 673-1 823 K. The effects of temperature, slag basicity and FetO content on the reduction rare have also been discussed Test results show that the reduction rate increases with the increase of temperature or FetO concentration in slags, and the reduction rate has a parabolic relation with slag simple basicity or optical basicity. Thr maximum reduction rate is observed around CaO/SiO2 = 1.5 of molten slags. The reaction order is 1.26 or 1.31, and the reduction activation energy is 126.8 or 129.7 kJ/mol respectively in regard to FetO content or FetO activity calculated by using regular solution model. The reduction rate of FetO in CaO-SiO2-Al2O3-FetO slags with graphite powder is in the range of 0.15 X 10(-4)-0.86 X 10(-4) mol-O/cm(2).s.; The reduction rate of FetO in CaO-SiO2-Al2O3-FetO slags with graphite powder has been determined in an alumina crucible at 1 673-1 823 K. The effects of temperature, slag basicity and FetO content on the reduction rare have also been discussed Test results show that the reduction rate increases with the increase of temperature or FetO concentration in slags, and the reduction rate has a parabolic relation with slag simple basicity or optical basicity. Thr maximum reduction rate is observed around CaO/SiO2 = 1.5 of molten slags. The reaction order is 1.26 or 1.31, and the reduction activation energy is 126.8 or 129.7 kJ/mol respectively in regard to FetO content or FetO activity calculated by using regular solution model. The reduction rate of FetO in CaO-SiO2-Al2O3-FetO slags with graphite powder is in the range of 0.15 X 10(-4)-0.86 X 10(-4) mol-O/cm(2).s.
KeywordCao-sio2-al2o3-feto Slags Reduction Rate Graphite Powder Feto Activity Kinetics
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
URL查看原文
Indexed BySCI
Language英语
WOS KeywordOPTICAL BASICITY ; MATHEMATICAL EXPRESSION ; QUADRATIC FORMALISM ; STEELMAKING PROCESS ; PHOSPHORUS
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000075558100005
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5979
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
2.Beijing Univ Sci & Technol, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Yang, XM,Huang, DB,Kong, LT,et al. Kinetics of reduction of iron oxide in CaO-SiO2-Al2O3-FetO slags with graphite powder[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,1998,5(1):21-27.
APA Yang, XM,Huang, DB,Kong, LT,Yang, TJ,Xie, YS,&Wang, DG.(1998).Kinetics of reduction of iron oxide in CaO-SiO2-Al2O3-FetO slags with graphite powder.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,5(1),21-27.
MLA Yang, XM,et al."Kinetics of reduction of iron oxide in CaO-SiO2-Al2O3-FetO slags with graphite powder".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL 5.1(1998):21-27.
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