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Experimental Study on Electrical Conductivity of MnO-CaO-SiO2 Slags at 1723 K to 1823 K (1450 A degrees C to 1550 A degrees C) and Various Oxygen Potentials
Liu, Jun-Hao1; Zhang, Guo-Hua2; Wang, Zhi1
2017-12-01
发表期刊METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
ISSN1073-5615
卷号48期号:6页码:3359-3363
摘要

The electrical conductivity of molten slag has many important and practical effects in modeling and operating the electric smelting furnace. In the present study, the electrical conductivities (total and electronic/ionic properties) of MnO-CaO-SiO2 slags were measured by a four-electrode method at different oxygen potentials and temperatures. Experimental results show that the effects of temperature on the total, electronic, and ionic conductivities obey the Arrhenius law, and all conductivities increase when increasing the temperature. The stepped potential chronoamperometry method was used to measure the electronic transference number, which is affected strongly by oxygen potential but is unaffected by temperature. The total electrical, electronic, and ionic conductivities present similar increasing trends when increasing the CO/CO2 ratio, which resulted from increasing Mn2+.

文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1007/s11663-017-1072-z
收录类别SCI
语种英语
关键词[WOS]Liquid-iron Oxide ; Electronic Conductivity ; Cao-sio2-feox Slags ; Molten Slags ; Melts ; Electrolysis
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
项目资助者National Natural Science Foundation of China(51422405)
WOS记录号WOS:000415806100048
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文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/23503
专题研究所(批量导入)
通讯作者Liu, Jun-Hao
作者单位1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
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Liu, Jun-Hao,Zhang, Guo-Hua,Wang, Zhi. Experimental Study on Electrical Conductivity of MnO-CaO-SiO2 Slags at 1723 K to 1823 K (1450 A degrees C to 1550 A degrees C) and Various Oxygen Potentials[J]. METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,2017,48(6):3359-3363.
APA Liu, Jun-Hao,Zhang, Guo-Hua,&Wang, Zhi.(2017).Experimental Study on Electrical Conductivity of MnO-CaO-SiO2 Slags at 1723 K to 1823 K (1450 A degrees C to 1550 A degrees C) and Various Oxygen Potentials.METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE,48(6),3359-3363.
MLA Liu, Jun-Hao,et al."Experimental Study on Electrical Conductivity of MnO-CaO-SiO2 Slags at 1723 K to 1823 K (1450 A degrees C to 1550 A degrees C) and Various Oxygen Potentials".METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE 48.6(2017):3359-3363.
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