effect basicity on manganese slag of ferromanganese in philippines

Production of Manganese FerroalloysKnow More

Progress in our knowledge of thermodynamics and physico-chemical factors in manganese ferroalloy production has developed rapidly during the past twenty-five years or so The authors intention has been to use this basic knowledge in discussions of industrial manganese ferroalloy production The book presents the principles and current knowledge of processes in the production of high carbon...

Effect of slag basicity in ferromanganese production usingKnow More

From this experiment the optimum slag basicity was 08 that produced 82 kg of ferromanganese with 781 Mn 127 Fe and 89 Si It resulted from 30 kg of manganese ore 75 kg of cokes and...

Smelting separation behaviors and mechanisms of highKnow More

separation was proposed to produce the high carbon ferromanganese alloy HCFeMn The rational smelting separation parameters for high-alumina rich-manganese ore included the FC/O of 11 the smelting temperature of 1550 176 C the smelting time of 60 min and the basicity of 07 The smelting separation of high-alumina rich-manganese ore was achieved...

CN105907969AKnow More

The invention discloses a process for producing metal manganese by using a submerged arc furnace and a rocking furnace In the submerged arc furnace ferromanganese ores are reduced by cokes the reducing temperature is controlled below 1500 DEG C the slag alkalinity omega CaO /omega SiO2 is 016 the mass fraction of SiO2 is 18 the mass fraction of MnO in produced manganese enriched...

Procedure for production of medium carbon ferroKnow More

The quantity of lime g in the mixture is determined from a calculation of obtaining slag basicity CaO/SiO 2 equal to 12 to 13 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 176 C...

Silicon and Manganese Partition Between Slag and MetalKnow More

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...

Production of high carbon ferromanganese from a manganeseKnow More

Time weight ratio of graphite to ore fluorspar addition and charge basicity were used as the experimental variables and the resulting alloy and slag phases were subjected to chemical analysis The objective of this study was to investigate the possibility of high carbon ferromanganese production from manganese ore in Erzincan...

A Review of the Production of Ferromanganese in BlastKnow More

A Review of the Production of Ferromanganese in Blast Furnace - Free download as Powerpoint Presentation ppt / pptx PDF File pdf Text File txt or view presentation slides online The production of high-carbon ferromanganese in blast furnaces is reviewed based on public literature and requests to consultants and suppliers to the industry...

Predictedeffect of orecompositionon slag formationinKnow More

manganese ore and coal at a temperature of 1600uC slag formation was found to be associated with slower reduction and pellets that formed more slag higher-basicity pellets were found to give signi´Čücantly lower reduction rates Peretyagin and Pavlov 2003 Knowledge of the extent of liquid silicate formation...

Thermodynamic Behavior of Manganese Oxide in LimeKnow More

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 ie CaO/ SiO 2 ratio = 16 was confirmed by Aleksandrov et al4 In...

Effect of slag basicity in ferromanganese production usingKnow More

The chemical composition of ferromanganese and slag was analysed with X-ray fluorescence From this experiment the optimum slag basicity was 08 that produced 82 kg of ferromanganese with 781 Mn 127 Fe and 89 Si It resulted from 30 kg of manganese ore 75...

WO2017100808A1Know More

A method of processing a ferroalloy waste slag in a reactor which includes the steps of treating the slag with a metallic reductant and a conditioning flux to release a metal oxide and reduce it to metallic form to use as a commercially acceptable silicon-containing alloy and to form a waste slag which is detoxified by means of granulation and separating the detoxified slag from silicon...

Parameters Affecting the Production of High CarbonKnow More

Key words Ferromanganese closed Furnaces carbothermic reduction Slag basicity 1 INTRODUCTION At Sinai Manganese Company SMC Abu Zenimam standard high-carbon ferromanganese HCFeMn for the domestic and exportedmarkets is smelted in 21 MVA three phase submerged electric arc furnace as closed top unit...

Ore Melting and Reduction in Silicomanganese ProductionKnow More

Sep 03 2010 0183 32 The charge for silicomangansese production consists of manganese ore often mixed with ferromanganese slag dolomite or calcite quartz and in some cases other additions These materials have different melting properties which have a strong effect on reduction and smelting reactions in the production of a silicomanganese alloy This article discusses properties of Assman...

Effect of basicity on ferromanganese production fromKnow More

Nevertheless it could not be used optimally in producing ferromanganese due to their low Mn/Fe ratio In this present study the Effect of basicity on ferromanganese production from beneficiated low-grade manganese ore AIP Conference Proceedings Vol 1805 No 1...

Slag recoveryKnow More

Mar 07 2014 0183 32 The effect of basicity and temperature on MnO content in slag in equilibrium with ferromanganese with 10 per cent Fe is shown in Figure 9 Physical properties of manganese oxide containing slag Viscosities of several slags from binary to quinary containing MnO have been presented in Slag...

New understanding on reduction mechanism and alloyingKnow More

Dec 03 2020 0183 32 A schematic diagram of the ferromanganese alloy smelting from manganese-rich ores using a rotary kiln and a submerged arc furnace is shown in Fig 1 a In previous work a simulated experiment for the carbothermic reduction mechanisms and phase transformation of Fe Mn ores was conducted in a vertical furnace as shown in Fig 1 b The manganese-rich ores were obtained from...

Ferromanganese Beneficiation ProcessKnow More

How To Smelting Manganese From Manganese Ore 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 safeveral basicities for 0and 1 was used and it was controlled by the addition of limestone in this smelting...

Thermochemical analysis of smelting of ferruginousKnow More

Sep 01 2019 0183 32 Fig 7 shows the effect of SiO 2 in slag on calculated equilibrium partition ratios of manganese between slag and alloy respectively The Mn equilibrium partition ratio decreases sharply with decreasing SiO 2 percentage and inflects at 33-35 SiO2 in slag Fig 8 shows the effect of input basicity on calculated equilibrium partition ratio of...

ManganeseEquilibrium between BaOKnow More

crease ofthe slag basicity Therefore high content Mnm in a slag is not favorable to dephosphorization Underthe conditions of a low oxygen partial pressure and a low slag basicity the existence of Mnm in the slags should be low andpossibly negligible But at ahigh oxygenpartial pressure andahigh slag basicity the effect of Mnm should be...

Thermodynamics and Viscosity Aspects in Manganese NoduleKnow More

Jan 05 2012 0183 32 The oxides of CaO MgO and Al 2 O 3 remain entirely in the slag as they are thermodynamically stable in the operating conditions Presence of these oxides in slag significantly affect the activity of the manganese oxide a MnO and silicon oxides a SiO2 7-9 and hence the extent of reaction 1 and 2This determines the distribution of Mn and Si between alloy and slag phase and...

Slag in the Ferromanganese ProcessKnow More

minerals Article Reduction and Dissolution Behaviour of Manganese Slag in the Ferromanganese Process Xiang Li 1 2 Kai Tang 3 and Merete Tangstad 2 1 School of Energy and Power Engineering Jiangsu University Zhenjiang 212013 China xiangli ujsedu 2 Department of Materials Science and Engineering Norwegian University of Science and Technology 7491 Trondheim Norway...

A review of the production of ferromanganese in blast furnaceKnow More

Nov 10 2014 0183 32 Blast furnace Mn recovery Slag high basicity upper limit avoid 2CaOSiO2 formation high MgO Al2O3...

Making ferromanganese in blast furnaces Metallurgist 10Know More

Jul 05 2006 0183 32 In the last case to ensure the efficient transfer of manganese to the alloy it is necessary to maintain a high slag basicity CaO/SiO 2 = 115-125 For organizational reasons at the combine ferromanganese has been made in short campaigns lasting from 4 to 10 days...

THE INFLUENCE OF SLAG COMPOSITION ON THEKnow More

The higher yield of manganese would help to save the energy costs and the consumption of relatively expensive ferromanganese alloy The plant data from 48 EAF campaigns were statistically evaluated The graphical results in accordance with the majority of references confirmed the positive effect of basicity CaO Al 2 O 3...

DOC Mate High Carbon HC and Medium Carbon MCKnow More

Responding to a lack of experimental calcination studies on carbonate ores with relatively low manganese contents Geveci et al calcinated manganese ore from Denizli- Tavas region of Turkey to increase its manganese content rendering it more suitable for ferromanganese 8 Due to refractory erosion and irregularities in the smelting regime...