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effect basicity on manganese slag of ferromanganese

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effect basicity on manganese slag of ferromanganese

Effect of slag basicity in ferromanganese production

2018-6-7  ABSTRACTFerromanganese is one of the most important alloying elements in steel industries. In this work, the production of ferromanganese was carried out using three-phase submerged mini electric arc furnace. The effect of slag basicity due to the addition of a various amount of limestone as fluxing agent on this smelting process was investigated.

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effect basicity on manganese slag of ferromanganese

, Manganese is typically added in the form of ferromanganese , the manganese smelting slag, of which basicity is , effect of slag basicity on the . Get More Choice of slag conditions in melting , basicity in operating on a lean charge provides a greater effect (saving of manganese ore and , an increase in slag .

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THE EFFECT OF ALUMINA IN FERROMANGANESE SLAG

The Effect of Alumina in Ferromanganese Slag 337 0.2 0.4 0.6 0.8 1.0 40 44 48 52 56 (a) CaO/MgO = 5.6 Basicity = 0.4 1400oC 1300oC 1500oC MnO Liquidus (wt%) A/S ratio

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(PDF) The effect of alumina in ferromanganese slag

manganese furnace and goes almost comp ... Illustration showing the effect of slag basicity on the liquidus content of MnO at fixed temperatures ... The Effect of Alumina in Ferromanganese Slag ...

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Effect of basicity on ferromanganese production from ...

Author: Bambang Suharno, Adi Noegroho, Deni Ferdian, Fajar Nurjaman

Slags in ferroalloys production—review of present

2009-8-26  solubility of CrOx in the slag is about 60 mol%, if the slag is in equilibrium with metallic chromium. In this slag system, the slag is more acidic, the slag basicity is less than 1.0, and the effect of MgO and Al2O3 co-existence is incorporated. 3CrO Cr Cr O=+ 23 430 AUGUST 2004 The Journal of The South African Institute of Mining and Metallurgy

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Manganese Capacity and Optical Basicity of

Author: A. A. Akberdin, U. K. Konurov, R. B. Sultangaziyev

The recovery of manganese products from

2017-1-31  The recovery of manganese products from ferromanganese slag ferromanganese production process as a sweetener, thus circumventing the environmental and health impacts of processing ferromanganese slag. In addition, a saleable byproduct such as a cement additive would be produced. Leaching of ferromanganese slag Various authors have undertaken ...

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Effect of Charge Basicity of Two Compositions on

Author: D. Mwana Bute Ngoy, M. Kalenga wa Kalenga, M. Tangstad

Factors Affecting Silicomanganese Production Using ...

2010-1-5  temperatures, slag basicity, slag viscosity and the amount of reductant. The process for silicomanganese needs a higher temperature compared to the smelting of ferromanganese. The higher temperature is needed for successful reduction of silicon. It is noticeable that alumina has a significant effect on the slag viscosity.

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Slags in ferroalloys production—review of present

2009-8-26  slag is rich in manganese oxide up to above 30%. A common feature is that the ‘ore oxides’, CrOx and MnOx in slag are not only divalent oxides but also contain some higher valent of Cr3+ and Mn3+, respec-tively. In FeMn production conditions the slag consists mainly of Mn2+. This is a clear difference from CrOx containing slags in which

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Effect of Charge Basicity of Two Compositions on

The effect of basicity of two different basic charges for reduction of MnO by solid carbon during smelting ferromanganese is considered. The effect of different charge compositions on MnO reduction in the temperature range 1400–1500°C is considered.

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Factors Affecting Silicomanganese Production Using ...

2010-1-5  temperatures, slag basicity, slag viscosity and the amount of reductant. The process for silicomanganese needs a higher temperature compared to the smelting of ferromanganese. The higher temperature is needed for successful reduction of silicon. It is noticeable that alumina has a significant effect on the slag viscosity.

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THE INFLUENCE OF SLAG COMPOSITION ON THE

2012-4-27  references confirmed the positive effect of basicity, %CaO, %Al 2 O 3 growth and %FeO decline on the manganese yield (decrease of Φ Mn). Better conditions for higher Mn yield also help dephosphorization efficiency. Keywords: manganese, steel, slag, electric arc furnace. 1 Introduction Manganese is one of the most important and common alloying ...

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Effect of basicity on ferromanganese production from ...

2019-3-19  The effect of basicity on ferromanganese production from this beneficiated low-grade manganese ore had been investigated clearly in this experiment by using mini submerged arc furnace (SAF). Several basicities for 0.7 and 1.0, was used and it was controlled by the addition of limestone in this smelting process.

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Silicon and Manganese Partition Between Slag and

Silicon and Manganese Partition Between Slag and Metal Phases and Their Activities Pertinent to Ferromanganese and Silicomanganese Production ... increase in the silica content of the slag increases the silicon content of the metal and this effect is more pronounced at the higher Mn/Fe and Mn/Si ratios. ... Silicon and Manganese Partition ...

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Thermodynamic Behavior of Manganese Oxide in Lime

manganese loss into the slag phase is an important issue to increase the overall efficiency of the smelting process. The possibility of recovering manganese from the manganese smelting slag, of which basicity is relatively high (i.e., CaO/ SiO 2 ratio = 1.6), was confirmed by Aleksandrov et al.4) In

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Mathematical Analysis of the Effect of Iron and Silica

2014-9-30  In the current study, a factorial design is used to investigate the effect of total iron and silica on the metallurgical performance of different grades of manganese ores. The derived mathematical formulations are applied to estimate the reduction disintegration index (RDI+6.3, RDI+3.15, and RDI−0.5), reduction index (total reduction index (RIT), manganese reduction index (RIM), and iron ...

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Parameters Affecting the Production of High Carbon ...

2014-3-6  This study has been performed to investigate the different parameters affecting on the production of high carbon ferromanganese in closed submerged arc furnace. The analysis of industrial data revealed that using manganese ores with low Mn/Fe ratio necessitates higher amount of Mn-sinter in the charge. Using Mn-blend with higher Mn/Fe ratio reduces the coke consumption and this leads to ...

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Phosphide capacities of ferromanganese smelting slags - 道 ...

2015-10-7  2007;accepted 29 July 2007 Available online 25 September 2007 Abstract Factors influencing the slag equilibrium phosphorous ... of ferromanganese smelt- ing slags under ...

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