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Ladle slag-refining of electric furnace steel
JOM, 1957Striving to increase steel output per furnace as well as to improve steel quality, one of the leaders of French electric-furnace steelmaking—Ugine— has perfected a ladle slag treatment for rapid desulfurization and deoxidation. The result: tap-to-tap time reduced by more than 50 pct, and output per furnace increased by more than 200 pct.
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Cyclic Use of Ladle Furnace Refining Slag for Desulfurization
Journal of Sustainable Metallurgy, 2016Industrial experiments were carried out to study the cyclic use of ladle furnace refining slag on desulfurization. Sampling of refining slag and steel were undertaken simultaneously at roughly equal intervals of time. The desulfurization capacity remained almost unchanged in the recycling slag compared with the primary slag.
Yang Wang +4 more
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Kinetics of silicon refining using slag treatment
Silicon, an important semiconducting material and alloying element in metallurgy and chemistry, is one the most abundant elements in the earth as oxides and silicates. The rapid growth of solar cell demand is creating a shortage of solar-grade silicon feedstock.Islam, Md.Saiful +2 more
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Effect of Basicity on Deoxidation Capability of Refining Slag
Journal of Iron and Steel Research International, 2013Mass action concentration (activity) calculation model was used to analyze the variation rule of mass action concentrations of slag compositions with basicity changing, and the effect of basicity on deoxidation capability and control of spinel and globular inclusions was investigated theoretically.
Zhi-yin Deng +3 more
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Use of Recycled Calcium Slag for Clean Steel Refining
Materials Science Forum, 2009Calcium slag (CS) is a by-product generated during smelting to extract calcium metal from the ore by aluminothermic reduction method. The melting point, melting speed, viscosities, surface tensions and the refining effects of CS and normal premelted refining slag (NPRS) were measured in the laboratory.
Dong Ping Zhan +4 more
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Alumina extraction from high-alumina ladle furnace refining slag
Hydrometallurgy, 2013Abstract Sodium carbonate solution was used to leach alumina from ladle furnace refining slag. The parameters studied were slag particle size, leaching temperature, leaching time, sodium carbonate concentration and liquid:solid ratio. The parameters had significant effects on the leaching efficiency of alumina.
Yun Zhou +4 more
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Recovery of copper from fire refining slags
2020ABSTRACT RECOVERY OF COPPER FROM FIRE REFINING SLAGS SAMII, Soroush M.S. Thesis in Metallurgical Engineering Supervisor: Prof. Dr. Ahmet GEVECÎ February 1992, 97 Pages, A large amount of copper is lost in the wrong operating copper production furnaces. Due to these losses a series of researches on slag and slag cleaning have been done.
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Metallurgical Research & Technology
A multiphase mathematical model was established to study the fluid flow, the open-eye formation, and the residence time of slag inclusions in a bottom argon-blowing ladle. The fluid flow was solved using the Eulerian-Lagrangian multiphase approach, and the interface between different phases was described using the Volume of Fluid (VOF) model.
Jujin Wang, Zi Ye, Lifeng Zhang
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A multiphase mathematical model was established to study the fluid flow, the open-eye formation, and the residence time of slag inclusions in a bottom argon-blowing ladle. The fluid flow was solved using the Eulerian-Lagrangian multiphase approach, and the interface between different phases was described using the Volume of Fluid (VOF) model.
Jujin Wang, Zi Ye, Lifeng Zhang
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Refining steel with synthetic slags
Metallurgist, 1965I. A. Lubenets +3 more
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The Capacities and Refining Capabilities of Metallurgical Slags
1988After reviewing the concepts of the basicity of slags and capacities of slags, the paper describes how the two can be correlated quantitatively using the optical basicity approach. The capacities discussed are those that are relevant under the highly reducing conditions typical of foundry processes, namely the sulfide, phosphate, water, nitride ...
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