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Manganese Slag an overview | ScienceDirect Topics
Manganese slag is a byproduct of ferromanganese alloy manufacturing Two kinds of slag can be generated in the production of ferromanganese and ferromanganese–silicon alloys: aircooled slag also known as lumpy slag, and watercooled slag also known as2015年7月25日· Stable operation of submergedarc furnaces producing highcarbon ferromanganese (HCFeMn) and silicomanganese (SiMn) requires tapping of consistent(PDF) Modeling of Manganese Ferroalloy Slag Properties
Effect of slag basicity in ferromanganese production
2017年5月26日· Effect of slag basicity in ferromanganese production using mediumgrade manganese ore from East JavaIndonesia Authors: Fajar Nurjaman National2016年1月1日· The conclusions of this work are: (i)increase in the basicity and the CaO/Al2O3 ratios decreases the Mn distribution ratio,(PDF) Silicon and Manganese Partition Between Slag
(PDF) The effect of alumina in ferromanganese slag
2007年1月1日· The properties of ferromanganese slags are suitably described by its basicity and A/S mass ratios The influence of slagPublished: 15 June 2021 Effect of Slag Chemistry on Plasma Production of Ferromanganese from AluminaRich FerruginousType Manganese Ore S K Samal, SEffect of Slag Chemistry on Plasma Production of
Effect of slag basicity in ferromanganese production using
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 of2017年1月20日· The effect of basicity on ferromanganese production from this beneficiated lowgrade manganese ore had been investigated clearly in this experimentEffect of basicity on ferromanganese production from beneficiated
effect basicity on manganese slag of ferromanganese
effect basicity on manganese slag of ferromanganese Optimum condition for smelting high carbon ferromanganese, Know More The optimum slag basicity for attaining theThe composition of ferromanganese slag is very important as it determines the slag/metal equilibrium rela tions including MnO content of final slag, melting relations and slag viscosityEffect of temperature on the viscosity of typical
Effect of slag basicity in ferromanganese production using mediumgrade
The chemical composition of ferromanganese and slag was analysed with Xray 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 kg of cokes, and 12 kg of limestone2016年1月1日· Silicon and Manganese Partition Between Slag and Metal Phases and Their Activities Pertinent to Ferromanganese and Silicomanganese Production January 2016 DOI: 101007/9783319(PDF) Silicon and Manganese Partition Between Slag
Effect of Charge Basicity of Two Compositions on MnO Springer
2018年11月15日· 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 Experiments are performed in a thermogravimetric furnace in the presence2017年1月20日· E B Saputra, "The effect of slag basicity on ferromanganese production process (FeMn) using local manganese ore with mini submerged arc furnace", Master Thesis, Universitas Indonesia, 2015 JanEffect of basicity on ferromanganese production from
Dephosphorization of hot metal using rare earth oxidecontaining
An innovative rare earth oxidecontaining slag for hot metal dephosphorization was proposed, and the factors influencing the efficiency during the dephosphorization of hot metal using rare earth oxidecontaining slags were also studied An increase in the temperature up to 1,550°C is beneficial to the dephosphorization process, and theThe effect of basicity ratio on the logarithm of the distribution ratio of manganese is seen in Figure 1 The distribution ratio of a species “i” is defined as per cent of “i” in the slagSILICON AND MANGANESE PARTITION BETWEEN SLAG AND
New understanding on reduction mechanism and alloying
2021年3月1日· Fig 2 shows the effect of the ternary basicity CaO/(SiO 2 + Al 2 O 3) (a), FC/O (b), smelting time (c) An exploration of developing the advantage by the metallurgy of highquality ferromanganese with manganese rich slag as the Burden China’s Manganese Industry, 19 (3) (2001), pp 2629 View in Scopus Google ScholarSiliceous manganese ore, associated with the banded iron formation occurs in large volume in northern Odisha, India It is a subgrade ore containing 21% Mn, 60% SiO 2 and 3% Fe, hence do not find any use and considered as waste Such ore does not respond to any physical beneficiation techniques because of intricate microstructure and poor liberationSiliceous Manganese Ore from Eastern India:A Potential Resource
Ferromanganese Production Process Understanding
2003年5月13日· The recovery of Mn ranges between 70 and 80 % Much higher basic slag has slight effect on Mnrecovery However, as slag basicity increases, the MnOcontent of slag decreases The manganese2017年12月22日· the effect of mixed manganese ore on the amount of for each trial e pouring temperatur e of ferromanganese and slag was to SiO2 equal to 10–12 instead of much higher slag basicityFerromanganese production from the mixture of mediumgrade
Effect of basicity on ferromanganese production from
2017年1月20日· 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 07 and 10, was used and it was controlled by the addition of limestone in this smelting process2020年6月4日· Thermochemical simulation of the smelting process by FactSage 64 showed significant effect of the charge mix basicity (B = CaO/SiO2) on manganese, iron, silicon and phosphorous distribution between the metal and slag The optimum basicity was found to be 15 at the charge mix ratio ie, Mn ore/lime/SiMn of 1:1:06 in the smelting testsAn Improved Process for the Production of LowCarbon Ferromanganese
Production of high carbon ferromanganese from a manganese
The production of high carbon ferromanganese from a manganese ore deposit located in Erzincan was examined in this study The ore was smelted using carbon as the reducing agent 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 wereThe compacts of medium carbon ferromanganese or manganese metal powders are reacted with nitrogen at 600–1000 Direct beneficial effect on bacterial growth and Also, the slag basicity is important because it controls smelting properties and the content of unreduced MnO in the slag Examples of HC FeMn smelting by flux and fluxlessFerromanganese an overview | ScienceDirect Topics
(PDF) Silicomanganese production from manganese rich slag
2004年2月1日· The effect of alumina in slag on manganese and silicon distributions in silicomanganese Selection of optimum slag basicity in ferromanganese production Steel in USSR, 1974, No 4, p 年3月1日· Many studies [[32], [33], [34]] have investigated the hightemperature reduction and smelting behavior with the goal of understanding the decomposition and dissolution behaviors of manganese ore and have also researched the effect of FeO and MnO on the kinetics and mechanism of simultaneous carbothermic reduction ofNew understanding on reduction mechanism and alloying
Ferromanganese
Standard ferromanganese, also known as highcarbon ferromanganese, is one of the manganese ferroalloys smelted directly from manganese ores Manganese content ranges from 74 to 82% and the carbon content from 7 to 75% It is produced either by a blast furnace or a submerged arc furnace The alloy is smelted either by highmanganese2019年7月15日· Manganese ore smelting is reviewed in terms of processing parameters such as feed material particle sizes, energy input methods, heat transfer modes, smelting mechanisms, experimental findings onA Review of Ore Smelting in High Carbon Ferromanganese Production
Development of a Smelting Reduction Process for LowGrade
2020年8月3日· 42 Effect of Slag Basicity and Carbon During power optimization, it was observed that the percentage of Mn in metal increased by up to 6% UDY M (1955) Process for production of ferromanganese from lowgrade manganese bearing materials, U S Patent , July 1955To minimize it, the slag has to have the right chemistry, the FeMn in the hearth must have high temperature and the gas distribution in the furnace must be adequate Generally, a good slag should have high basicity and high MgO content; Al 2O3 content should be less than 15% to avoid MgOAl2O3 formation, due to its high melting pointA Review of the Production of Ferromanganese in Blast Furnace