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Beneficiation of presence of chlorite in iron ore

A process of producing metallic iron from iron oxides in an oxide containing material comprising iron oxide and a non-ferrous metal oxide wherein the oxide containing material is heated in the presence of hydrogen chloride, flux and a solid carbonaceous material

  • PHASE CHANGE OF CHLORITE IN REDUCING

    PHASE CHANGE OF CHLORITE IN REDUCING

    hematite ore just using conventional beneficiation techniques (Chen and Liu 2010). Chlorite has a specific susceptibility similar to that of hematite, and will have a high enrichment in concentrate after a high intensity magnetic separation. Structural iron ions on the surface of chlorite crystals also can cause some difficulties in flotation of

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  • BENEFICIATION OF CHRONIITES

    BENEFICIATION OF CHRONIITES

    Beneficiation Problems Low grade chrome ores required beneficiation by way of reduction of iron or silica contents or both from the ore for their utilisation in any of the above mentioned industries. Table 3.3, at the end of this chapter, gives the beneficiation test results of the different chromite samples investigated in condensed form

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  • Effect of sodium chloride on the selective removal of iron

    Effect of sodium chloride on the selective removal of iron

    May 16, 2009 Conventional methods of beneficiation such as gravity concentration, magnetic separation and flotation cannot increase appreciably the Cr/Fe ratio in a chromite ore unless the iron content in the gangue materials is high (Nafziger, 1982). Cr/Fe ratio in a concentrated chromite ore is difficult to change since it mainly depends on the spinel

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  • Treatment of iron ore beneficiation plant process water by

    Treatment of iron ore beneficiation plant process water by

    Jan 01, 2021 Table 2 shows the concentrations of various metal ions and other water quality parameters present in process water collected from iron ore beneficiation plant followed by settling and filtration. It is observed from the results that the concentration of total Fe, Cr, Pb, Mn and turbidity are found to be 115.24 mg/L, 7.10 mg/L, 2.68 mg/L, 0.96 mg/L and 977 NTU respectively

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  • Treatment and Recycling of the Process Water in Iron Ore

    Treatment and Recycling of the Process Water in Iron Ore

    Aug 08, 2017 In order to ensure iron concentrate grade and iron recovery, a large number of processing reagents are selected and applied in the iron ore beneficiation. The process water carried plenty of residual processing reagents, and such wastewater with color depth and strong smell could seriously affect the environment and the local people

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  • Beneficiation of iron ores - AMERICAN CYANAMID CO

    Beneficiation of iron ores - AMERICAN CYANAMID CO

    This invention relates to an improved method of beneficiating iron ore by froth flotation. The problem of iron ore beneficiation has been a serious one because of the low unit value of the product and the fact that, while it is not difficult to float various iron minerals, the procedures employed have resulted in insufficient recovery of concentrates sufficiently rich in iron ore to be

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  • Specifications of iron ores required by steel plants for

    Specifications of iron ores required by steel plants for

    The depletion of high grade iron ore resources make it inevitable to utilize the existing low grade iron ores/fines/tailings with effective beneficiation to meet the present specification and demand

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  • Extraction of Chromium from Chromite Ore

    Extraction of Chromium from Chromite Ore

    Jul 20, 2017 The average grade of the metallurgical chromite ore was 43.4 pct Cr2O3, with 52 pct of the ore having a chromium-to-iron ratio of 3:1 or over, 17.6 pct having a ratio between 2:1 and 3:1, and 30.4 pct having a ratio less than 2:1. Chemical-grade chromite ore generally ranged from 40 to 46 pct Cr2O3 with a chromium-to-iron ratio of 1.5:1 to 2:1

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  • flowsheet of beneficiation of chromite in pdf - BINQ Mining

    flowsheet of beneficiation of chromite in pdf - BINQ Mining

    Nov 25, 2012 CHARACTERIZATION AND BENEFICIATION OF ANKA CHROMITE …. Beneficiation of chromite ore using selective chlorination was successfully employed to improve the low grade ore in South Africa. The Cr:Fe ratio attained, …. More detailed

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  • Study on beneficiation process scheme of a small hematite

    Study on beneficiation process scheme of a small hematite

    Oct 23, 2021 The iron ore is disseminated in gangue as granular single crystal or aggregate, and distributed in strips with gangue minerals (mainly quartz, a small amount of chlorite, etc.). Metal minerals are mainly pseudohematite, magnetite and semi pseudohematite, and gangue minerals are mainly quartz and chlorite

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  • Genesis, Uses and Environment Implications of Iron Oxides

    Genesis, Uses and Environment Implications of Iron Oxides

    Jul 11, 2018 Beneficiation processes of iron ore generate dust in the atmosphere, acid mine drainage in the ecosystem and metallic iron for steelmaking. Beneficiation process requires dissolution of minerals surrounding the ore and the release of metals and cement matrix into water courses. These generates acid leading to acid mine drainage

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  • Studying on mineralogical characteristics of a refractory

    Studying on mineralogical characteristics of a refractory

    May 09, 2020 In this study, a high-phosphorus oolitic iron ore containing 44.70% Fe and 1.56% P from western Hubei of China was collected as the sample. The chemical composition, mineral composition, structure characteristics, dissemination characteristics, and iron and phosphorus occurrence state were carried out to investigate the mineralogical characteristics of the high-phosphorus oolitic iron. The

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  • The Disruptive Role of Process Mineralogy in Geology

    The Disruptive Role of Process Mineralogy in Geology

    ore beneficiation with issues arising throughout the processing circuit [21]. Talc readily reports to the flotation concentrate due to its natural hydrophobicity, and can increase the viscosity in the froth phase, resulting in a reduction in both grade and recovery [22,23]. Chlorite and amphibole are

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  • Beneficiation of Talc Ore - IntechOpen

    Beneficiation of Talc Ore - IntechOpen

    Beneficiation of Talc Ore Mahmoud M. Ahmed 1, ... iron oxide was the main gangue mine ral in samples (the percent of Fe 2O 3 = 4.96%). www.intechopen.com. Beneficiation of Talc Ore 243 ... The presence of chlorite in both samples was also confirmed by X ray diffraction. The total amount of

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  • BENEFICIATION OF IRON-COPPER ORES FROM KASAAN

    BENEFICIATION OF IRON-COPPER ORES FROM KASAAN

    Hadley, and shipments of ore were made from several mines. Deposits of magnetite were found to be associated closely with the copper ores but were not exploited. In 1915 Wright4/ reported: The only iron ore found in Kasaan Peninsula and the Copper Mountain area is magnetite which occurs in large bodies along contacts of diorites and limestones

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  • BENEFICIATION OF IRON ORE

    BENEFICIATION OF IRON ORE

    Iron ore sample found is a part of banded iron ore formation. Hematite and goethite are major constituents of iron ore samples. Hematite in the ore sample occurs as specularite with inter granular micro-pore spaces. Goethite is profuse and occurs as colloform product in cavities in addition with the weaker bedding planes

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  • Mineralogy and textural impact on beneficiation of

    Mineralogy and textural impact on beneficiation of

    May 01, 2017 As the demand of iron ore is increasing, it is necessary to recover the resources from the lean grade iron ore or goethitic ores through beneficiation. The correlation of mineralogy and texture to engineering parameters such as strength, comminution efficiency, product size and liberation was attempted [2] , [3] , [4]

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  • Iron Ore Beneficiation Research Papers

    Iron Ore Beneficiation Research Papers

    The consumption of iron ore has increased rapidly over the past decade due to the tremendous growth of the iron and steel industry. The depletion of high-grade iron ore resources makes it inevitable to utilise the existing low-grade iron ores/fines/tailings with proper beneficiation to

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  • BENEFICIATION OF DOLOMITE AND MAGNESITE

    BENEFICIATION OF DOLOMITE AND MAGNESITE

    vealed the presence of dolomite, calcite, talc, chlorite, iron oxides and pyrites. Flotation concentrate produced under the optimum condition of 45.8% -200 mesh grind, 1.0 kg/tonne of sod. silicate, 0.75 kg/tonne of sod. oleate and 0.02 kg/tonne of pine oil-analysed 0.37% SiO2 with 92.7% yield. After two cleanings using

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  • Manual of Procedure for Chemical and Instrumental

    Manual of Procedure for Chemical and Instrumental

    The chemical transformation of any ore/mineral sample into a desired form so as to facilitate analysis of its constituents is known as opening of the sample i.e., conversion of an ore or mineral sample into desired soluble or insoluble species. In simple words, opening of an ore is its dissolution in suitable solvent or flux depending

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