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The beneficiation potential of the iron ore slimes produced from the washing plants and tailing ponds of Kiriburu mines assaying up to 60% Fe, 3.34% SiO2, and 2.93% Al2O3 …
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A novel hydrocyclone design fabricated and tested for iron ore slimes beneficiation. Optimised performance found with 10° cone of novel cyclone for silica slurry. Air-core elimination by rod insertion results an adverse effect on its separation.
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A typical high-alumina containing iron ore slime from the eastern Indian sector containing 58.13% Fe, 6.48% SiO2, 4.9 % Al2O3 and 5.35% LOI, have been evaluated to find out whether grinding of the ...
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Beneficiation of high alu mina iron ore fines fro m Noamundi, India is studied for producing sinter/ pellet grade concentrate. The iron ore fine sample has a feed grade of 59.77%Fe, %4.71SiO 2 ...
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In addition to this, stringent environmental regulations involved in the opening of new mines and the problems involved in disposal of tailings (slimes), it is the need of the hour to effectively beneficiate low-grade iron ore to make it suitable for iron-making process. The iron ore industries of India are expected to bring new technologies to ...
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Request PDF | Optimization study of hydrocyclone for beneficiation of iron ore slimes. | Hydrocyclone is a key unit operation in mineral-processing industry for beneficiation of mineral values ...
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The present study focuses on utilization of iron ore slimes without beneficiation by blending with high-grade fines for making iron ore pellets. The pellets were prepared by adding slimes in ...
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ABSTRACT. A typical high-alumina containing iron ore slime from the eastern Indian sector containing 58.13% Fe, 6.48% SiO 2, 4.9% Al 2 O 3, and 5.35% LOI, have been evaluated to find out whether grinding of the slimes will be beneficial or not for upgrading the slime to generate pellet-grade concentrate with >64% Fe.Liberation …
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beneficiation studies of Iron ore slime from Karnataka, India through dispersion and selective flocculation in presence of surfactants and polymers with a view to produce pellet grade fines. The ...
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Abstract Beneficiation of low grade iron ore slime from Chitradurga, India was studied with a view to produce pellet grade fines. The slime sample had a feed grade of 49.86% total Fe, 7.93% Al2O3, and 10.19% SiO2. Kaolinite and quartz was found to be the main gangue minerals and they formed porous and friable oxide and hydroxide of …
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Characterization and Beneficiation of Iron Ore Slimes of Barsua Iron Mines. Paper presented at the National Seminar on Beneficiation of Raw Materials for Iron Making, R&DC, SAIL, Ranchi, May 3, 1986. 296 Sresty, G.C. and Somasundaran, P., 1980. Selective flocculation of synthetic mineral mixtures using modified polymers. Int.
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A typical high-alumina containing iron ore slime from the eastern Indian sector containing 58.13% Fe, 6.48% SiO2, 4.9 % Al2O3 and 5.35% LOI, have been evaluated to find out whether grinding of the ...
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Therefore, this work is aimed to experimentally study the iron ore slime beneficiation using a novel 100 mm hydrocyclone (with small cone angle, tapered vortex finder and …
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Present 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 12.5% and fixed …
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The plant trials were performed at Tata Steel's iron ore mines and concentrator at Noamundi. The slime sample was withdrawn periodically from the hydrocyclone over flow (COF), that is, the tailings of the beneficiation plant as schematically shown in Fig. 1.The fresh slimes sample was stored in a 1.2 kL tank for a …
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Iron ore in Bellary-Hospet region is friable in nature and generates a significant amount of micro-fines (-150 µm) during mechanized mining, handling and processing. Present …
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This work describes the concentration of iron ore slimes on a pilot scale by using a 500-mm diameter flotation column and a novel collector, which renders the use of a depressant unnecessary. The pilot column was operated in series with the industrial plant Vargem Grande 2 (Iron Quadrangle, Brazil) receiving, as feed, part of the underflow …
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The typical iron ore beneficiation includes gravity concentration, magnetic separation, and froth flotation techniques for the concentration of iron values [4, 5, 6]. ... Viability of dolochar as a reductant was examined to treat iron ore slime in the reduction roasting process. The optimum conditions obtained as 900 °C, 30–45 min residence ...
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Alumina reduction in Rajhara iron ore slimes essentially involves separation of hematite from gibbsite in relatively coarser fraction and from kaolinite in the finer fraction. Selective dispersion flocculation studies on synthetic mixtures clearly indicated that while it was possible to achieve almost perfect separation of hematite from kaolinite using starch and …
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Beneficiation of alumina rich iron ore slimes is a major challenge for the Indian iron ore industry. Considering the limits of gravity and magnetic separation processes in the relatively finer size range in terms of achieving adequate separation efficiency, selective flotation (with and without selective flocculation) of iron ore slimes, …
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Iron ore in Bellary-Hospet region is friable in nature and generates a significant amount of micro-fines (-150 µm) during mechanized mining, handling and processing. Present beneficiation practice generally employs spiral classification followed by hydrocycloning to remove slimes (-15 µm). The iron ore fines, beneficiated at JSW …
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The iron ore slimes (d80 ∼ 50 µm) generated at Noamundi iron ore washing plant (TISCO), assaying 57% Fe, 4% SiO2 and 8.3% Al2O3, have been subjected to …
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ABSTRACT A typical high-alumina containing iron ore slime from the eastern Indian sector containing 58.13% Fe, 6.48% SiO2, 4.9% Al2O3, and 5.35% LOI, have been evaluated to find out whether grinding of the slimes will be beneficial or not for upgrading the slime to generate pellet-grade concentrate with >64% Fe. Liberation …
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The present study focuses on utilization of iron ore slimes without beneficiation by blending with high-grade fines for making iron ore pellets. The pellets were prepared by adding slimes in ...
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In India, the tailings of iron ore beneficiation are dumped in slime ponds, which is a major environmental concern. In the present study, a new beneficiation circuit was designed to recover the valuable minerals from the tailing effectively. The present study involves the characterization of three different samples using chemical, particle size, …
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ABSTRACT. A typical high-alumina containing iron ore slime from the eastern Indian sector containing 58.13% Fe, 6.48% SiO 2, 4.9% Al 2 O 3, and 5.35% LOI, have been …
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The friable nature of Indian iron ore causes lots of fine generation during mining and subsequent stages. In conventional processing of 1 ton of Iron ore, 10–15% slime …
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DOI: 10.1016/j.chemosphere.2022.134513 Corpus ID: 248106145; Iron ore slimes beneficiation using optimised hydrocyclone operation. @article{Padhi2022IronOS, title={Iron ore slimes beneficiation using optimised hydrocyclone operation.}, author={Mandakini Padhi and Teja Reddy Vakamalla and Narasimha Mangadoddy}, …
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The slime issue is not only to Tata Steel but rather a global concern for iron ore beneficiation plants all around the world. Till date, there is no technology in the world that can recover iron values from slime with the desired level of impurities. ... Since iron ore slimes contain lot of ultrafine particles desliming with hydrocyclone was ...
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Fig 2 Typical iron ore beneficiation process. Methods / techniques for iron ore processing. Scrubbing – Scrubbing is the process by which clays, slimes and any potential oxidization present in or on the …
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