Optimized magnetic separation for efficient recovery of V …
ResultIn contrast, VTM is a multi-metallic iron-based ore containing iron, titanium, and vanadium as the main constituents [24, 25]. Since VTM has a high iron and titanium content, ... The ER of vanadium and iron in the secondary magnetic concentrate were 2.05 and 1.44, respectively, and the magnetic concentrate …
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Original Research PaperMechanism of magnetite iron ore …
ResultThis 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 quality of indurated pellets. For this purpose, magnetite concentrate was …
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The Efficient Improvement of Original Magnetite in Iron Ore …
ResultThe iron recovery is the ratio of Fe mass in magnetic separation concentrate mass to Fe mass in raw ore. As shown in Figure 6, sample A had a stable iron grade of 62–63% from 520 to 580 °C. The iron grade of sample B to D showed a unimodal form with a roasting temperature of 500 to 600 °C.
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Microwave Processing of Low-Grade Banded Iron Ore …
ResultThe current study investigates the effect of microwave processing on low-grade banded iron ore using charcoal, coking coal, and non-coking coal. Charcoal showed better microwave heating response at low temperatures, and the coals exhibit better heating response at higher temperatures. Low carbon dosage …
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Recovery of magnetite-hematite concentrate from …
ResultA 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 …
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Minerals | Free Full-Text | Dry Permanent Magnetic …
ResultBy increasing the airflow rate, MSOFFs can obtain qualified concentrate products with an iron ore concentrate grade of over 60%. Therefore, this separator effectively copes with the current iron ore sorting dilemma and is expected to become a hot spot for future research and development of dry …
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Influence of Magnetite Grain Size on Magnetic Susceptibility …
ResultThe results show the expediency of stagewise removal of iron ore concentrate to reduce losses with tailings of magnetite particles finer than 10–15 …
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Separation and Recovery of Iron from Low-Grade Refractory …
ResultFirst Online: 04 February 2022. 1211 Accesses. Part of the book series: The Minerals, Metals & Materials Series ( (MMMS)) Abstract. In this study, a process of …
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Extraction of ferronickel concentrate from laterite nickel ore …
ResultThe iron and nickel contained in laterite nickel ore can be reduced to magnetic metals by spent cathode carbon and CaO. Finally, the nickel iron concentrate in the ore is magnetically separated. Fig. 3 shows the flow of the experimental process. The effects of the reducing agent dosage, reduction …
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Separation and Recovery of Iron from Low-Grade Refractory Iron Ore …
ResultThe non-magnetic product was the tailing, while the magnetic product was iron concentrate. The grades of magnetic concentrate were analyzed by chemistry method. Then, the recovery rates of iron (the ratio of the amount of iron minerals in magnetic concentrate to those of in iron ore raw material) were …
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Innovative methodology for comprehensive utilization of iron ore …
ResultThe grades of magnetic concentrate were analyzed by chemistry method. Then the recovery rates of iron (the ratio of the amount of iron minerals in magnetic concentrate to those of in iron ore tailings raw material) were deduced according to mass balance in magnetic separation process.3. Results and …
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Magnetic Ore
ResultAbout a pound weight of malleable iron, made from magnetic ore, is placed, minutely broken and moistened, in a crucible of refractory clay, together with finely …
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Mineralogical properties and co-sintering characteristics of
ResultTo investigate the feasibility of co-sintering of fluxed iron ore with magnetite concentrates, the mineralogical properties of a novel fluxed iron …
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Materials | Free Full-Text | Arsenic Removal and Iron …
ResultThe iron ore featured a fine dissemination of scorodite into weakly magnetic iron minerals such as goethite and hematite. The arsenic-bearing iron ores in China have become an important source for the production of iron products. ... It could be seen from Figure 5b that the iron grade of the magnetic …
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Mineral and Technological Features of Magnetite–Hematite Ores …
ResultOne of the upcoming trends in the processing of iron-bearing ores from the technological point is regrinding and flotation repreparation of iron ore concentrates obtained after magnetic separation. 8−15,17,18 An actual trend for the investigation of flotation of iron ores is the selection of reagent regimes. 20−22 …
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Novel method for iron recovery from hazardous iron ore …
ResultConsequently, the iron concentrate grade and iron recovery in the magnetic concentrate increased. Therefore, the high mass ratio of C/Ore is necessary for the reduction of iron minerals to metallic iron, with the recommended C/Ore mass ratio of 25%. Effect of mass ratio of Na 2 CO 3 to ore
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Dry beneficiation of iron ore
ResultAn important role is being played by projects for iron ore concentrate extraction by means of dry magnetic separation (Fig. 16). Three projects with a total of 9.6 Mta are already in the construction phase, another project with 8.5 Mta capacity concerns the production of iron ore pellets.
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Minerals phase transformation by hydrogen reduction
ResultThe results showed that weakly magnetic iron ore was reduced to strongly magnetic iron ore by MPTH, and the non-magnetic impurities were successfully removed by low-intensity magnetic separation. ... Magnetic concentrate with an iron grade of 59.85 % and iron recovery of 98.47 % could be …
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Magnetite Concentration Methods
ResultThe ore carries about 40 per cent. iron and the concentrate from 60 to 61 per cent. iron. The concentrate is roasted to remove sulphur. At Flogbeget, near Ludvika, Sweden, …
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Highly efficient and green separation of iron from complex …
ResultAccording to Table. 1, the total iron content of the raw ore is 37.72%, and the ferrous iron content is 6.07%.The REO content is 5.33%, the CaO content is 11.2%, and the F content is 6.07%. The major impurity is SiO 2 with a content of 7.4%, while MgO and Al 2 O 3 contents are 1.4% and 1%, respectively. Penalty …
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Mineral and Technological Features of …
ResultAnalysis of the current technical solutions for the processing of iron ores showed that the high-grade ores are directly exposed to metallurgical processing; by comparison, low-grade …
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Beneficiation of Low-Grade Hematite Iron Ore Fines by …
ResultPresent investigation includes the magnetizing roasting of low-grade iron ore fines followed by grinding and beneficiation using magnetic separation. The hematite iron ore used in the investigation contains 53.17% T Fe, 10.7% SiO2, and 4.5% Al2O3. Powdered bituminous coal of 210 μm size with an ash content of …
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Influence of Magnetite Grain Size on Magnetic Susceptibility of Iron
ResultConventional magnetite ore processing flowcharts exclude tailings from the process after each grinding and magnetic separation to obtain a finished concentrate in the last beneficiation stage. The weight share of total iron in magnetite concentrates in Russia and abroad is at the level of 66–68%.
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Mineral Magnetic Modification of Fine Iron Ore Tailings and …
ResultFor example, an analysis of data presented in Table 1 gives the content of iron in magnetic concentrate ranging from 60.88 wt.% for goethite ore to 69.3 wt.% for processed red mud . In this work, slightly higher values were obtained for the fractions <0.05 mm (T1-01), and 0.063–0.071 mm (T1-03), due to a simple …
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DESULFURIZATION OF IRON ORE CONCENTRATE …
Resultthe feed and concentrate of magnetic separator in the fourth line of the Gol-e-Gohar Complex to produce an iron concentrate with the minimum content of sulfur suitable for pelletizing plant. Gol-e-Gohar Complex is located at 50 km southwest of the Sirjan City, in Ker-man province, Iran. It is estimated that the iron ore
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A novel approach of utilizing the waste biomass in the …
ResultIron ore concentrate with an iron recovery rate of 85.93% and an iron grade of 67.09% was successfully ... ore sample was beneficiated by WHIMS at different magnetic intensities after roasting with coal at a mixture of 30% iron ore. The magnetic intensity has taken at three intensities 2000, 3000, and 4000 …
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An innovative methodology for recycling iron from magnetic
ResultUnder the optimized conditions, a magnetic concentrate assaying 61.4 wt% Fe with a recovery rate of 81.8% was obtained from the magnetic preconcentrate of an iron ore tailing.
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(PDF) Separation and recovery of iron from a low-grade …
ResultAn iron ore concentrate with total iron content of 56.34% at the recovery rate of 88.05% can be obtained by magnetic tube separation under the roasting conditions of 800℃ for 60 min and slight ...
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Magnetic Concentrate
ResultDevelopments in the physiochemical separation of iron ore. W.J. Bruckard, ... G.W. Heyes, in Iron Ore, 2015. 11.3.2.3 Sulfur removal. Magnetite ores often contain …
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Mineral and Technological Features of …
ResultObtaining high-quality concentrates with high iron content and low content of impurities from low-grade iron ores …
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