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Manganese Recovery by Silicothermic Reduction of MnO in BaO-MnO-MgO-CaF2 (-SiO2) Slags
- Authors
- Heo, Jung Ho; Park, Joo Hyun
- Issue Date
- Apr-2018
- Publisher
- ASM International
- Keywords
- CARBON-SATURATED IRON; LIQUID-IRON; OXIDE REDUCTION; CAF2 ADDITION; BASIC SLAGS; MOLTEN SLAG; KINETICS; MELTS; EQUILIBRIUM; VISCOSITY
- Citation
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, v.49, no.2, pp.514 - 518
- Indexed
- SCIE
SCOPUS
- Journal Title
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
- Volume
- 49
- Number
- 2
- Start Page
- 514
- End Page
- 518
- ISSN
- 1073-5615
- Abstract
- The effects of reducing agent, CaF2 content, and reaction temperature upon the silicothermic reduction of MnO in the BaO-MnO-MgO-CaF2 (-SiO2) slags were investigated. Mn recovery was proportional to Si activity in the molten alloy. Moreover, 90 pct yield of Mn recovery was obtained under 5 mass pct CaF2 content and 1873 K (1600 A degrees C) reaction temperature. Increasing CaF2 content above 5 pct yielded little or no further increase in Mn recovery, because it was accompanied by increased slag viscosity owing to the precipitation of high melting point compounds such as Ba2SiO4. (C) The Minerals, Metals & Materials Society and ASM International 2018
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Related Researcher
- Park, Joo Hyun
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)