Procedure for production of medium carbon ferro-manganese

Procedure for production of medium carbon ferro-manganese

The effect of slag basicity due to the addition of a various amount of limestone as fluxing agent on this smelting process was investigated The chemical composition of ferromanganese and slag was

Effect of BaO Basicity and Temperature on Manganese

Effect of BaO Basicity and Temperature on Manganese

Preparation of electronic grade manganese sulfate from ferromanganese slag including grinding leaching and purification was studied The impurities such as Fe 3 Al 3 Ca 2 Mg 2 heavy metal ions and Na K were removed from leaching solution by neutralized-hydrolysis fluorination precipitation sulfuration precipitation and re-crystallization

Silicon and Manganese Partition Between Slag and Metal

Silicon and Manganese Partition Between Slag and Metal

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

Slags in ferroalloys production—review of present knowledge

Slags in ferroalloys production—review of present knowledge

Abstract Equilibrium between MnO-CaO-MgO-SiO2-Al2O3 slags and carbon saturated Mn-Si-Fe-C alloys was investigated under CO at 1500 o C Manganese and silicon activities were obtained by using the present data and the previously determined MnO and SiO 2 activities of the slag Quadratic multi-coefficient regression equations were developed for activity coefficients of manganese and silicon

Parameters Affecting the Production of High Carbon

Parameters Affecting the Production of High Carbon

A wide variety of ferro manganese slag options are available to you such as free samples There are 131 ferro manganese slag suppliers mainly located in Asia The top supplying countries are China Mainland India and South Africa which supply 90 3 and 1 of ferro manganese slag …

Parameters Affecting the Production of High Carbon

Parameters Affecting the Production of High Carbon

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

Effect of Charge Basicity of Two Compositions on MnO

Effect of Charge Basicity of Two Compositions on MnO

The homogenized crushed and screened manganese-bearing slag from the scale-up experiments was used for the production of ferromanganese following the process shown in Figure 2 For the smelting of manganese-rich slag the small-scale electric arc furnace was used 3 kg of slag was smelted together with fluxes in each experiment

 PDF The effect of alumina in ferromanganese slag

PDF The effect of alumina in ferromanganese slag

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

Effect of BaO Basicity and Temperature on Manganese

Effect of BaO Basicity and Temperature on Manganese

Thus experimental investigations examined the effect on manganese recovery fvom the slag and alloy silicon content for variations in reaction time temperature and the composition of the reducing alloy The composition of the ore premelt Was also varied to examine the effect of the basicity of the premelt on manganese

Production of high carbon ferromanganese from a …

Production of high carbon ferromanganese from a …

Effect of slag basicity in ferromanganese production using medium-grade manganese ore from East Java-Indonesia Fajar Nurjamana Eka Bobby Saputra b Deni Ferdianb and Bambang Suharnob aResearch and Development Divison for Mineral Technology Indonesian Institute of Sciences …

Factors Affecting Silicomanganese Production Using

Factors Affecting Silicomanganese Production Using

Slags in ferroalloys production—review slag is rich in manganese oxide up to above 30 A common feature is that the ore oxides The effects of temperature slag basicity as well as additions of MgO and Al2O3 were investigated The divalent chromium fraction

Phosphide capacities of ferromanganese smelting slags

Phosphide capacities of ferromanganese smelting slags

Thus experimental investigations examined the effect on manganese recovery fvom the slag and alloy silicon content for variations in reaction time temperature and the composition of the reducing alloy The composition of the ore premelt Was also varied to examine the effect of the basicity of the premelt on manganese

Factors Affecting Silicomanganese Production Using

Factors Affecting Silicomanganese Production Using

ferromanganese production from manganese ore in Erzincan Key Words Smelting high carbon ferromanganese pyrometallurgy 1 Introduction Manganese plays a crucial role in the iron and steel industry As an alloying element it improves the strength Charge basicity and accordingly slag basicity were increased by adding lime to

 PDF Coke and coal as reductants in manganese ore

PDF Coke and coal as reductants in manganese ore

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

Ferro Manganese Smelting Process - cz-eu eu

Ferro Manganese Smelting Process - cz-eu eu

Factors influencing the slag equilibrium phosphorous distribution ratio L p and the phosphide capacity C p of ferromanganese smelting slags under highly reducing conditions were studied at 1500 °C The investigations were conducted by equilibrating slags with the respective ferromanganese alloys contained in graphite crucibles under CO and Ar CO atmospheres at oxygen partial pressures

Phase Characterization of High Basicity Manganese Slags

Phase Characterization of High Basicity Manganese Slags

Daily average data obtained on the 1033 m 3 blast furnace No 3 of the Egyptian Iron and Steel Company EISCO were used to investigate the effects of BaO basicity and temperature on the activity coefficient and activity of MnO in the slag as well as on the manganate capacity and manganese distribution between slag and metal The activity coefficient was estimated by using the regular ionic

how to smelting manganese from manganese ore

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

THE REDUCTION OF FLUXED AND NON-FLUXED …

THE REDUCTION OF FLUXED AND NON-FLUXED …

Thermodynamics and Viscosity Aspects in Silicomanganese Smelting As mentioned above that reduction of MnO and SiO 2 mainly takes place from slag and therefore maintaining a sufficiently liquid slag with minimum viscosity at operating temperature i e …

 Zero-Waste A Sustainable Approach on Pyrometallurgical

Zero-Waste A Sustainable Approach on Pyrometallurgical

effect basicity on manganese slag of ferromanganese Effect of slag basicity in ferromanganese … 26 5 2017 · 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 ALUMINA IN FERROMANGANESE SLAG

THE EFFECT OF ALUMINA IN FERROMANGANESE SLAG

Slag chemistry applied in the AlloyStream process differs from that used in the production of high carbon ferromanganese in the submerged arc furnace Phase Characterization of High Basicity Manganese Slags Phase Characterization of High Basicity Manganese Slags Author s T …

Ferro Manganese Slag Ferro Manganese Slag - Alibaba

Ferro Manganese Slag Ferro Manganese Slag - Alibaba

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

THE INFLUENCE OF SLAG COMPOSITION ON THE …

THE INFLUENCE OF SLAG COMPOSITION ON THE …

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

Preparation of electronic grade manganese sulfate from

Preparation of electronic grade manganese sulfate from

THE EFFECT OF ALUMINA IN FERROMANGANESE SLAG Kai Tang and Sverre Olsen1 SINTEF Materials and Chemistry Trondheim Norway kai tang sintef no manganese furnace and goes almost comp letely to the slag phase The pres ence of alumina will mainly influ- demonstrates the effect of slag basicity …

Slags in ferroalloys production—review of present knowledge

Slags in ferroalloys production—review of present knowledge

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

FERROMANGANESE SLAG DATA AND CLASSIFICATION

FERROMANGANESE SLAG DATA AND CLASSIFICATION

GHS means that FeMn slag should have one classification status worldwide No classification • There is sufficient data on FeMn slag to derive a classification under any regulation available data is to internationally recognized guidelines • Analysis of the phy-chem tox and ecotox data with the classification

Parameters Affecting the Production of High Carbon

Parameters Affecting the Production of High Carbon

The quantity of lime g in the mixture is determined from a calculation of obtaining slag basicity CaO SiO 2 equal to 1 2 to 1 3 Under electrodes enclose a few pieces of coke for a set of load A mixture of ferromanganese and manganese ore is melted and maintained in the furnace The temperature in the furnace 1700-1750°C

effect basicity on manganese slag of ferromanganese

effect basicity on manganese slag of ferromanganese

Effect of slag basicity in ferromanganese production The effect of slag basicity due to the addition of a various amount of limestone as fluxing agent on this smelting process was for production of ferro-manganese Get Price And Support Online

Phase Characterization of High Basicity Manganese Slags

Phase Characterization of High Basicity Manganese Slags

Parameters Affecting the Production of High Carbon Ferromanganese in Closed Submerged Arc Furnace Much higher basic slag has slight effect on Mn recovery - However as slag basicity increases the MnO- content of slag decreases The manganese

Parameters Affecting the Production of High Carbon

Parameters Affecting the Production of High Carbon

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 …

THE REDUCTION OF FLUXED AND NON-FLUXED …

THE REDUCTION OF FLUXED AND NON-FLUXED …

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 …