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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
Source PublicationMETALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
ISSN1073-5615
Volume48Issue:6Pages:3359-3363
Abstract

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+.

SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1007/s11663-017-1072-z
Indexed BySCI
Language英语
WOS KeywordLiquid-iron Oxide ; Electronic Conductivity ; Cao-sio2-feox Slags ; Molten Slags ; Melts ; Electrolysis
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China(51422405)
WOS IDWOS:000415806100048
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23503
Collection研究所(批量导入)
Corresponding AuthorLiu, Jun-Hao
Affiliation1.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
Recommended Citation
GB/T 7714
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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