effect basicity on manganese slag of ferromanganese

how to smelting manganese from manganese ore

production of high carbon ferromanganese from a manganese ore . Main purpose of this study was to investigate the production of high carbon ferromanganese by smelting a manganese ore loed in Erzincan. Time, charge basicity, fluorspar addition and coke to ore weight ratio were used as experimental variables.

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THE INFLUENCE OF SLAG COMPOSITION ON THE

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

Jan 20, 2017 · The effect of basicity on ferromanganese production from this beneficiated lowgrade 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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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 Properties and Effects of Manganese as an Alloying Element

Silicomanganese alloy contains 65 to 68% manganese, 16 to 21% silicon, and 1.5 to 2% carbon, and is generated by the smelting of slag from manganese ore or highcarbon ferromanganese with a quartz flux and coke. The alloy''s carbon content is reduced due to the presence of silicon.

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Parameters Affecting the Production of High Carbon

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 Mnsinter in the charge. Using Mnblend with higher Mn/Fe ratio reduces the coke consumption and this leads to

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Parameters Affecting the Production of High Carbon

Much higher basic slag has slight effect on Mn recovery. However, as slag basicity increases, the MnO content of slag decreases.The manganese content of produced HCFeMn depends mainly on Mn/Fe ratio of Mnblend. For obtaining producing the high carbon ferromanganese. The local manganese ores are law and medium

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Nontraditional carbon reducing agents in smelting FMn78B

In order to investigate the effect of slag composition on the phase distribution of vanadium, a series of laboratory smelting experiments was carried out. The effect of basicity adjustments on the slag/metal distribution of iron, vanadium, and manganese was investigated using carbon and FeSi as a reductant.

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Middle and lowcarbon ferromanganese production process

According to invention, limestone is charged in amount comprising 3343% of the amount of slag to achieve basicity modulus of melt 1.51.8 and silicomanganese is added in molten state in amount 7090% based on the weight of slaglimestone melt. EFFECT: simplified technology of producing lowcarbon ferromanganese from ironfree lowphosphorus

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Ferro Manganese Slag, Ferro Manganese Slag Alibaba

Alibaba offers 142 ferro manganese slag products. About 74% of these are other metals & metal products, 3% are other nonmetallic minerals & products, and 1% are slag. A wide variety of ferro manganese slag options are available to you, such as gb, aisi.

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Infacon proceedings DVD Mintek

manganese ores, but no sinter. Initially a small amount of limestone flux was employed in the smelting recipe, but was changed to 5 kg of quartzite per 200 kg ore + reductant [from Tap 4] to obtain a slag basicity ratio [(CaO + MgO)/SiO2] close to the target value of 1.3 ± 0.1.

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Manganese processing Britannica

However, this generates more slag, which tends to dissolve manganese and lower the amount of metal recovered in the melt. In addition, depending on the smelting temperature and the acidity or basicity of the slag, silica can be reduced to silicon and enter the molten metal. Highcarbon ferromanganese

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The recovery of manganese products from ferromanganese

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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Reduction rate of MnO from two different manganese ores

208 De Oliveira et al. (2011) studied MnO reduction from a manganese ore loed in Erzincan (Turkey). It was found that the reduction rate of MnO by solid carbon increased with an increase of the basicity of the slag, whereas, according to Olsen et al. (2007), the reduction rate of a basic slag

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"ZeroWaste": A Sustainable Approach on Pyrometallurgical

The homogenized, crushed and screened manganesebearing slag from the scaleup experiments was used for the production of ferromanganese following the process shown in Figure 2. For the smelting of manganeserich slag, the smallscale electric arc furnace was used. 3 kg of slag was smelted together with fluxes in each experiment.

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The Effect of Processing Parameters on Ferromanganese

Effect of slag basicity in ferromanganese production using mediumgrade manganese ore from East JavaIndonesia. Fajar Volume 127, 2018 Issue 2. Published online: 26 May 2017. Article. Silicomanganese production utilising local manganese ores and manganese rich slag. A. Ahmed et al. Ironmaking & Steelmaking. Volume 41, 2014 Issue 4

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Effect of Charge Basicity of Two Compositions on MnO

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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Thermochemical analysis of smelting of sciencedirect

Ferruginous manganese ores contain high concentrations of iron and having low Mn/Fe ratio and are not suitable to produce standard grade of silicomanganese. Thermochemical calcula

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Technical Note on Recovery of Manganese from Low Manganese

The main constituents of ferromanganese slags are silies of Mn, Ca and AI. Factors affecting the recovery of manganese from a low manganese content ferromanganese slag (about 16 per cent MnO) during acid leaching were studied. These included time, temperature, agitation, sulphuric acid addition, solid:liquid ratio and particle size.

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Ferromanganese an overview ScienceDirect Topics

The ground manganese slag has an angular shape as it results from the breakage of larger, brittle particles, and contains the mineral phases α′C 2 S, C 3 MS 2, CaO·MnOܨSiO 2 and C 2 AS, with the α′C 2 S in particular providing it with hydraulic reactivity. 92 The fresh manganese slag is light yellow or light green, with a moisture

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CiteSeerX — THE EFFECT OF ALUMINA IN FERROMANGANESE SLAG

The properties of ferromanganese slags are suitably described by its basicity and A/S mass ratios. The influence of slag basicity has been discussed in the previous papers. The present paper will discuss the effect of Al2O3 on melting relations, viscosity and MnOcontent of final slag.

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Manganese Capacity and Optical Basicity of Metallurgical

To that end, two equivalent forms of the manganese capacity are derived from the equilibrium constants of the redox reaction of manganese [Mn] + (1/2)O 2 = (MnO). These indices reflect the manganese distribution between the metal and the slag and do not depend on the composition of

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Recovery of Manganese From Steel Plant Slag by Carbamate

r RECOVERY OF MANGANESE FROM STEEL PLANT SLAG BY CARBAMATE LEACHING By Synthia N. Mcintosh 1 and Elizabeth G. Baglin2 ABSTRACT The U.S. Bureau of Mines investigated the feasibility of using ammonium carbamate (NH2C02NH4) leaching to recover manganese from steel plant slag.

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Slags in Production of Manganese Alloys pyro

liquid metal and slag were observed during the reduction of the Groote EylandtWessels ore mixture. The results in Table 1 show a strong effect of the slag composition on the equilibrium MnO content of the slag. The activity of manganese in the ferromanganese and the activity of MnO in the slags at equilibrium are presented in Table 3,

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RECYCLING THE RECOVERY OF MANGANESE AND

RECYCLING THE RECOVERY OF MANGANESE AND GENERATION OF AV ALUABLE RESIDUE FROM FERROMANGANESE SLAGS BY A HYDROMETALLURGICAL ROUTE 1Dick R Groot, 1Dieudonne M Kazad~ 2Herbert Pollmann, 1Johan PRde Villiers, 2Thomas Redtmann, 1 Joalet Steenkamp 1Department of Materials Science and Metallurgical Engineering, University of Pretoria,

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Production of HighCarbon Ferromanganese in Blast Furnace

Nov 14, 2013 · The recovey of manganese in the alloy is usually 7585%. This is influenced by the MnO content of the slag, the slag to metal ratio, and losses in the flue gases. The MnO content of the slag is highly dependent on the basicity ration (CaO+MgO)/SiO2 (Figure 1), which can be controlled by the choice of the ore and addition of the flux.

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Effect of slag basicity in ferromanganese production using

Apr 24, 2017 · Ferromanganese is one of the most important alloying elements in steel industries. In this work, the production of ferromanganese was carried out using threephase submerged mini electric arc furnace. The effect of slag basicity due to the addition of

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Effect Of High Manganese Sinter In Blast Furnace

Effect of Oxides of Magnesium and Manganese and the. Mar 28, 2016· It was established by laboratory studies and confirmed by factory tests that the filterability of molten blastfurnace slag is affected by the presence of the oxides MgO, MnO, and CaO, which are added to charge that is used to make sinter.

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