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ReviewFerrochrome slag: A critical review of its properties,
2023年1月15日· Abstract Ferrochrome slag (FCS) is a byproduct of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore The2011年6月21日· Abstract Ferro chrome slag may contain chromium in +3 and +6 oxidation states Separation and determination of chromium(PDF) Recovery of chromium from ferrochrome slag
Magnesium recovery from ferrochrome slag: kinetics and possible
2022年12月1日· The results showed that the highest recovery of Mg of 882% was obtained from FCS using 5 M HCl with a solid to liquid ratio of 1:10, mixing intensity of2021年12月13日· The results showed that the highest recovery of Mg of 882% was obtained from FCS using 5 M HCl with a solid to liquid ratio of 1:10, mixing intensity ofMagnesium recovery from ferrochrome slag: kinetics and possible
Environmental and technical assessment of ferrochrome
2013年12月1日· Ferrochrome slag is a major solid waste generated from submerged electric arc furnaces during manufacturing of ferrochrome alloy The waste slag has2005年1月6日· 1 Introduction Ferrochrome production results in a discard slag, which contains entrapped ferrochrome metal, causing low superheat and high slag viscositiesRecovery of metal from slag/mixed metal generated in
Ferrochrome slag: A critical review of its properties, environmental
2022年11月22日· Ferrochrome slag (FCS) is a byproduct of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore The chemical2022年7月15日· Ferrochrome slag (FCS) and ferrochrome ash (FCA) are byproducts generated during the production of ferrochrome alloy in the ferrochrome industry TheComprehensive Characterization of Ferrochrome Slag and
The recovery of ferrochrome from slag at Zimasco ScienceDirect
1997年11月1日· The recovery of ferrochrome (FeCr) alloy from fine (<600 μm) ferrochrome slag typically involves the use of gravity concentration, amongst other2005年11月11日· The aim of this study is to demonstrate the potential of Cr(VI) generation during jigging operation applied for ferrochrome recovery from slag The Cr(VI)Hexavalent chromium removal by ferrochromium slag
Ferrochrome an overview | ScienceDirect Topics
The alloy content in the slag is substantial and comprises typically 1% to 4% of the total alloy tapped It is therefore normally viable to attempt recovery of this alloy from the slag The most common recovery process is to crush the slag (in the case of the first slaghandling method) and recover the alloy particles in a wet jigging process2021年12月13日· Metal recovery ðMÞðwt%Þ¼ mass of M extracted Mass of M in ferrochrome slag 100% (1) 3 Results and discussion 31 Effect of stirring speed on magnesium recovery Using a 14:1 liquid to solid ratio and a 6 M concentration of HCl, an experiment was conducted at 80 C for 180 min to examine the effect of mixing on theMagnesium recovery from ferrochrome slag: kinetics and
Ferrochrome slag: A critical review of its properties,
2022年11月22日· Ferrochrome slag (FCS) is a byproduct of ferrochrome industries and is produced during the extraction of ferrochrome from chromite ore The chemical composition of FCS comprises of 2733% SiO 2, 1525% Al 2 O 3, 2035% MgO, and 1015% ironchromium compoundsThe high chromium content of FCS and the possibility2022年12月1日· The ferrochrome slag used in the present study has been described in earlier studies focusing on recovery of the following residual minerals; (1) magnesium (Mashanyare, HP and Guest, RN, 1997(PDF) Magnesium recovery from ferrochrome slag: kinetics and
Processing of LowGrade Chromite Ore for Ferroalloy Production:
2020年7月14日· Table 2 Recovery of metal and slag from plasma smelting experiments Full the Cr 2 O 3 content of the magnetic fraction gets enriched up to 425% Cr 2 O 3 However, mineralogy of ferrochrome slag is difficult to interpret, because of the presence of synthetic minerals and chromium in different oxidation states EDAX analysis1997年11月1日· Recovery of ferrochrome from slag 1255 While being attractive financially, the process also allows metal free tailings to be disposed of in a more environmentally friendly manner Conct 080 Final tailing 9497 Estimated metal content, % 100 79 69 0 Metal yield, % 41 06 Cr, % 633 Product TABLE 2 High grade materialThe recovery of ferrochrome from slag at Zimasco
Ferro Chrome | FACOR (Ferro Alloys Corporation Ltd)
Ferro Chrome High Carbon Ferrochrome / Charge Chrome are produced in Submerged Electric Arc Furnace of rating 45 MVA Furnace is of stationary and semiclosed top The process adopted is high temperature smelting process, in which chrome ore is reduced with the help of the reductant like coke The gangue material in the ore is removed by2021年8月3日· Using two cement types, cement proportions of 1%, 2% and 3% of the slag aggregate weight mixed with optimum moisture content of the nontreated compacted slag were used to make lightly cemented ferrochrome slag aggregate (LCFSA) composites, subsequently tested for compressive strength,Ferrochrome slag aggregates haveFerrochrome slag aggregate: physicalchemical characteristics and
Recovery of metal from slag/mixed metal generated in ferroalloy
2005年1月6日· The dump at the ferrochrome plant, Bamnipal, containing valuable ferrochrome justified the construction of a “metal from slag recovery plant”, if a suitable process could be developed This paper describes the outcome of the studies carried out at R&D, Tata Steel to develop a flowsheet for this “metal from slag” recovery plant using2020年8月31日· Slags coming from stainless steel (SS) and ferrochromium (FeCr) production generally contain between 1 and 10% Cr, mostly present in entrapped metallic particles (Fe–Cr alloys) and in spinel structures To recover Cr from these slags, magnetic and gravity separation techniques were tested for upconcentrating Cr in a fraction forUpConcentration of Chromium in Stainless Steel Slag and MDPI
Magnesium recovery from ferrochrome slag: kinetics and
2022年12月1日· In this study, the recovery of Mg from ferrochrome slag was investigated using hydrochloric acid (HCl) as the lixiviant at low temperatures of a gelatinous substance was observed which could be due to precipitation of silica as the FCS has a high silica content The dissolution of the silica increases with temperature,2019年10月22日· Highcarbon ferrochrome (HC FeCr) produces 11–16 tons slag/ton of metal [4,5] with an annual global production of 13 Mt HC FeCr in 2018 Slag production is relatively higher for lowcarbonMinerals | Free FullText | MultiAnalytical
Mineralogical characterisation and separation
2020年3月15日· In this study, the beneficiation performance of chrome from the high carbon ferrochrome slag (HCFS) was evaluated The mineralogical characteristics of HCFS was investigated first, and then2005年11月11日· Abstract The aim of this study is to demonstrate the potential of Cr (VI) generation during jigging operation applied for ferrochrome recovery from slag The Cr (VI) concentration s of water contacted with ferrochromium slag (W/FS = 10) in a closed cycle after 50 batches were found as 061 mg/l Also, reduction of Cr (VI) to Cr (III) and aHexavalent chromium removal by ferrochromium slag
The development of a technology roadmap for ferrochrome
A 30year technology roadmap for the South African ferrochrome industry is developed to address the increasing cost of electricity and competition from China Research on possible technologies and their applicability in ferrochrome smelting is conducted, including Industry 40 technologies The developed roadmap has three phases, with full2021年12月17日· Previous studies have used sulphuric acid as a lixiviant for leaching at low temperatures to recover Mg from ferrochrome slag In this study, the recovery of Mg from ferrochrome slag was investigated using hydrochloric acid (HCl) as the lixiviant at low temperatures as various metal oxides have been proven to be more amenable toKinetics of Magnesium Recovery from Ferrochrome Slag: A
Exploring beneficial uses of ferrochrome slag: A case study of a
The FeCr slag products are granulated slag as well as classified slag products made by crushing and screening A granule is tight and crystalline; typically, the granulated slag includes three different phases, which are amorphous glass phase, crystalline and zonal FeMgCrAl spinals and metal drops Niemela et al, 2007 Particulate Matter2014年2月10日· High carbon ferrochrome slag in the range of 10–40 wt% has been incorporated in conventional ceramic tile composition to study its suitability as one of the body raw materialsEffect of High Carbon FerroChrome Addition on the Properties
Magnesium recovery from ferrochrome slag: kinetics and
2022年12月8日· Conclusions The study revealed that it is feasible to recover a substantial amount of Mg from FCS through leaching with HCl at moderate temperatures With an increase in reaction time and temperature, Mg recovery from FCS increased The kinetic analysis of the leaching process was easily understood by the 2022年12月9日· The everincreasing demand for ferrochrome alloys has resulted in a substantial accumulation of ferrochrome slag byproducts in many mining areas On the other hand, the ferrochrome slag has been identified as one waste material that is rich in magnesium (Mg) and has not been effectively exploitedMagnesium recovery from ferrochrome slag: kinetics and