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Fortescue Metals Group has produced its first magnetite product graded at more than 68% iron from its $3.9bn (A$5.83bn) Iron Bridge mine in Western Australia, following 20 years of operations. The wet concentrate has been moved from the mine through a 135km slurry pipeline to Port Hedland. It will be dewatered at the port and …
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Magnetite (Fe 3 O 4) ore is concentrated by low-magnetic-field drums to recover a magnetite concentrate that is low in silica (SiO 2).The presence of SiO 2 in the magnetite concentrate for steel production increases the steel processing costs, so a major challenge in magnetic concentration is to lower the SiO 2 grade in the Fe …
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The processed magnetite consistently yields premium grade concentrate between 65% and 70%, ideal for DRI production. Current estimates based on more than US$20 million of test drilling activity, suggest that our mines have the potential to produce more than 4 billion tonnes of this high-grade magnetite.
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A processing flowsheet includes magnetic separation, milling and gravity concentration methods. The separation technology provides for production of iron ore concentrate with total iron content of 65.9% and recovers 91.0% of magnetite and 80.5% of hematite from the tailings containing 20.4% of total iron. The proposed technology will increase ...
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The global production of magnetite iron ore in 2015 is 583 million tons, which accounts for 28% of the total iron ore production. ... Kumar et al. conducted an isothermal oxidation of magnetite concentrate particles by TGA in the temperature range of 500–800 °C. The concentrate is wet sieved into a narrow size range from 38 to 53 μm …
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The vanadiferous magnetite concentrate sample was obtained from Anhui province, China. As shown in Table 1, the total iron grade was 67.1%, and the V 2 O 5 and TiO 2 contents were 0.32% and 0.78%, respectively. The main impurities included 1.57% SiO 2 and 0.89% Al 2 O 3.As shown by the XRD pattern in Fig. 1, the main mineral …
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Whyalla's Carbon Neutral by 2030 plan (CN30) is focused on producing 15 million tonnes of high-quality magnetite iron ore, from which 10 million tonnes of green …
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FMG Magnetite Pty Ltd is a subsidiary of FMG Iron Bridge Ltd, which is owned by Fortescue (88 per cent) and Baosteel Resources International Company Limited (12 per cent). The Iron Bridge project is designed to deliver production capacity of 22mtpa of a 67% Fe content, low impurity concentrate suitable for pellet feed or blending with sinter …
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A novel ironmaking technology is under development at the University of Utah. The purpose of this research was to determine comprehensive kinetics of the flash reduction reaction of magnetite concentrate particles by hydrogen. Experiments were carried out in the temperature range of 1423 K to 1673 K (1150 °C to 1400 °C) with the …
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Therefore, there have been many attempts for the production of pellet grade concentrate from low-grade BHQ ores using conventional mineral processing techniques. Magnetic separation and flotation of BHQ ore could enrich the feed with 39% Fe to a concentrate having 65.3% Fe at 61.9% iron recovery [11] .
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As the ultrafine iron ore concentrate was used to prepare green pellets, the main problem was the serious cracking during the drying process. The fine particles contacted so closely that the ...
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Magnetite and hematite are the two main raw materials for pellet production. Magnetite concentrates have more predominance due to the heat release by oxidation during roasting [1, 2] and may reduce energy consumption [1, 3, 4].The most important factors influencing the properties of the fired pellets are firing temperature, fuel …
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The magnetite mine will yield 22 million tonnes per annum of high grade 67% Fe magnetite concentrate, said the Australia-based iron ore company. Located 145km south of Port Hedland, the Iron Bridge project has seen the start of energisation and commissioning activities in the wet plant during the quarter that ended on 31 December …
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Magnetite and hematite are the two main raw materials for pellet production. Magnetite concentrates have more predominance due to the heat release …
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It comprised several huge grinding mills, magnetic separation units, tailings circuits, pipes going everywhere, and all of this fed by significant water and power …
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This study was performed to investigate the mechanism of the effect of the morphology of magnetite concentrate on the induration process and its effect on the …
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Fortescue Metals Group announced that the first production at its Iron Bridge magnetite project in the Pilbara region of Western Australia as expected will …
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The high-pure magnetite concentrate (HPMC) can be obtained from the magnetite concentrate, a kind of bulk commodity as raw material for ironmaking, by simple magnetic separation having the advantages of no pollution and less energy consumption [Citation 20]. Thus, the production of HPMC is cheap and environmentally friendly.
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The phase transformation of pre-oxidized vanadium titano-magnetite pellets during the reduction process under an H2 atmosphere and a CO atmosphere was discussed, and the reduced samples were analyzed by scanning electron microscopy (SEM) in conjunction with back scatter electron (BSE) imaging.
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Methanol co-production has the potential to improve the economics of H2 supply to a fossil-free steelmaking process by up to an average of 0.40 €/kg H2 across considered scenarios, equivalent to ...
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This paper investigated a pellet ore production process in which vanadium was extracted from vanadium and titanium magnetite concentrates using sulfuric acid leaching. Calcium and magnesium were added to the iron ore concentrate during pellet production to produce calcium vanadate and magnesium vanadate after roasting. The …
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Processed magnetite concentrate is a high-quality energy efficient iron ore product which is needed to feed the Direct Reduced Iron (DRI) process. DRI enables the use of …
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Magnetite is enabling a steel technology transition in South Australia. Liberty Steel announced on 4 March it would phase out its existing blast furnace at Whyalla Steelworks and build a new DRI ...
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331 PRODUCTION OF MAGNETITE CONCENTRATE FROM IRON ORE TAILINGS Kazım Güngör1, M. Ümit Atalay2, Osman Sivrikaya2 1 Güncem Mining Company, Ankara, Turkey 2 METU, Mining Engineering Department ...
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The purpose of this research was to determine the effect of CO addition to H2 on the reduction kinetics of magnetite concentrate particles at high temperatures. Experiments were carried out at 1 673 K. The replacement of N2 by CO enhanced the reduction rate considerably. The kinetics of CO reduction is slower than that by hydrogen …
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The entire experimental data of magnetite reduction by H 2 obtained under various conditions are listed in see Table A1. Dried and screened magnetite concentrate particles of size fractions 20 to 25, 32 to 38, or 45 to 53 µm were delivered continuously with a carrier gas (N 2 or N 2 and H 2 mixture) at a constant flow rate. In the flash ...
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One significant factor is that while pelletizing production, which mostly uses magnetite, ... It has two distinct particle morphologies: smooth-angular lamellar particles (similar to magnetite concentrate) and partly rough-round spherical particles (similar to hematite/limonite). The effects of particle morphology on sintering and granulation ...
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The Iron Bridge magnetite mine is expected to produce 22 wet million tonnes per annum (wmtpa) of high-grade, magnetite concentrate product. ... The ore will be crushed and processed at the site for the production of magnetite, dry process rejects, and wet tailings.
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The magnetite concentrate contains iron of 68.01 % and silicon dioxide of 4.97 %, and its chemical composition analyzed by X-ray fluorescence (XRF) is shown in Table 1.A minority of MgO, CaO, and Al 2 O 3 exist and other elements are very few. The X-ray diffraction (XRD) analysis of the magnetite concentrate is displayed in Fig. 1, which …
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ABSTRACT The high-pure magnetite concentrate (HPMC) was studied for a substitution of iron scale to produce the magnetic powder of strontium hexaferrite via the conventional ceramic process in this work. The magnetic powder obtained under the optimum conditions had a magneto plumbite structure, which was confirmed by X-ray …
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