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Reducing dephosphorization of silicomanganese ferroalloys by CaO-based slag
Han, Peiwei1,2,3; Zhang, Guohua2; Chu, Shaojun2,3
2017-09-19
Source PublicationMETALLURGICAL RESEARCH & TECHNOLOGY
ISSN2271-3646
Volume114Issue:6
Abstract

The reducing dephosphorization of silicomanganese ferroalloys by CaO-based slags is investigated in the present paper. Experiments are carried out in an induction furnace in air atmosphere to simulate the practical production condition. It is found that dephosphorization took place very quickly by using CaO-CaF2 slag. In addition, decarburization and desulfurization also happened with the dephosphorization process. There is almost no dephosphorization when the silicon content in silicomanganese ferroalloy melt is less than 10 wt.%, while the dephosphorization ratio increases significantly as the silicon content is larger than 10 wt.%. When CaF2 in the slag is partly replaced by Al2O3, the dephosphorization ratio decreases sharply, and there is almost no dephosphorization for CaO-Al2O3 slag even when silicon content in the ferroalloy melt is 22 wt.%.

KeywordReducing Dephosphorization Silicomanganese Ferroalloys Cao-based Slag
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1051/metal/2017020
Indexed BySCI
Language英语
WOS KeywordHigh-carbon Ferromanganese ; Silicate-glasses ; Cao-caf2 Slag ; Melts ; System ; Thermodynamics ; Phosphorus ; Phosphide ; Viscosity ; Fluxes
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China(51274030)
WOS IDWOS:000412882700002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23274
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
3.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Han, Peiwei,Zhang, Guohua,Chu, Shaojun. Reducing dephosphorization of silicomanganese ferroalloys by CaO-based slag[J]. METALLURGICAL RESEARCH & TECHNOLOGY,2017,114(6).
APA Han, Peiwei,Zhang, Guohua,&Chu, Shaojun.(2017).Reducing dephosphorization of silicomanganese ferroalloys by CaO-based slag.METALLURGICAL RESEARCH & TECHNOLOGY,114(6).
MLA Han, Peiwei,et al."Reducing dephosphorization of silicomanganese ferroalloys by CaO-based slag".METALLURGICAL RESEARCH & TECHNOLOGY 114.6(2017).
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