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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
发表期刊METALLURGICAL RESEARCH & TECHNOLOGY
ISSN2271-3646
卷号114期号:6
摘要

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.%.

关键词Reducing Dephosphorization Silicomanganese Ferroalloys Cao-based Slag
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1051/metal/2017020
收录类别SCI
语种英语
关键词[WOS]High-carbon Ferromanganese ; Silicate-glasses ; Cao-caf2 Slag ; Melts ; System ; Thermodynamics ; Phosphorus ; Phosphide ; Viscosity ; Fluxes
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(51274030)
WOS记录号WOS:000412882700002
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23274
专题多相复杂系统国家重点实验室
作者单位1.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
推荐引用方式
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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