Iron ore tailings have become one kind of the most hazardous solid waste. In order to recycle iron in the tailings, we present a technique using magnetizing roasting process …
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Request PDF | On Feb 1, 2024, Hailin Long and others published A critical review on metallurgical recovery of iron from iron ore tailings | Find, read and cite all the research you need on ...
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Abstract In this paper, a novel method to recover iron from iron ore tailing (IOT) was studied. The method was induced with carbothermic reduction, followed by magnetic flocculation separation (MFS) and conventional magnetic separation (CMS). The effects of reduction temperature, as well as the amount of coal and sodium carbonate on iron recovery …
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Calcium acted as a nonselective flocculant showing higher iron recovery, lower iron grade and lower phosphorus rejection with increasing concentration. ... Similarly the process was applied to iron ore slime and the findings showed that it was possible to upgrade the iron ore tailings more than 63% from the feed grade of 50.98(%) by selective ...
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Iron ore tailings (IOTs) contain several heavy metals, such as lead (Pb), chromium (Cr), and cadmium (Cd), which pose severe risks to nearby land and water resources. ... Fe was analyzed to evaluate the performance of the WHIMS technology for the separation and extraction from high-silicon iron ore tailings. The recovery was calculated as: ...
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Vast quantities of iron ore tailings lie dormant, representing a significant untapped resource. ... (MMU) and FlexSeries, coupled with the MT Lyons Unit, provide mobile, scalable solutions for efficient mineral recovery from tailings, leveraging advanced technology for profitable and sustainable operations. Chat to an expert
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The objective of this study is to present a tailings recovery project in a dam located in northern Brazil; the tailings in this dam have high concentrations of iron. The sustainable recovery of mineral resources can be achieved using the dredging method. The methodology used was based on two drilling projects conducted in 2001 and 2010; these projects contained samples with …
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The iron tailings were obtained from a tailings pond in Dabaoshan, Guangdong, and the iron phase composition of raw ore was analysed, as shown in Table S2. The particle size composition of the iron tailings is shown in Table S3, and the main phase components were the haematite and limonite phases (including α-FeOOH and γ-FeOOH).
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Iron ore tailings (IOTs), specifically those generated from iron ore beneficiation plants, present notable challenges to both the environment and economic sustainability.Recognized as precious secondary resources, IOTs encapsulate recoverable metals such as Cu and Fe, juxtaposed with harmful elements like Pb and Cr, necessitating a …
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In this paper, a novel method to recover iron from iron ore tailing (IOT) was studied. The method was induced with carbothermic reduction, followed by magnetic …
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Iron ore tailings have become one kind of the most hazardous solid waste. In order to recycle iron in the tailings, we present a technique using magnetizing roasting process followed by magnetic separation. ... The recovery of iron from iron ore tailings using magnetic separation after magnetizing roasting Chao Li 1, Henghu Sun, Jing Bai ...
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Ning et al. utilized HMPT technology to achieve an efficient and environmentally friendly separation of iron and rare earth elements from the Bayan Obo low-grade polymetallic ore, resulting in an iron concentrate with an iron grade of 65.26% and recovery of 85.29%(Ning et al., 2024a). Although the HMPT technology has achieved impressive product ...
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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, optical microscopy, …
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At the temperature of 1 200°C, a sizable increase of recovery and iron content of DRI was observed when the particle size of iron ore decreased from -4 mm to -0.1 mm, however, the phosphorus ...
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Iron ore and tailings from magnetic separation and flotation were collected from mines with the following iron ore deposits: Type 1: Skarn deposits in which magnetite and martite ore form the iron mineralization; in some areas, the skarn and the metamorphic rocks are associated with hydrothermal deposits.
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The chemical and physical properties of iron ore tailings are comprehensively examined in this review, and various beneficiation and metallurgical recovery techniques such …
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Rapid economic development and increased demand for mineral products in China have led to extensive extraction of various ores, resulting in significant environmental challenges associated with the generation of industrial solid waste, particularly iron tailings. Despite being a major mining nation, China faces issues of wasteful practices, with substantial …
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One particularly significant and recently studied waste stream is mine tailings, a byproduct of sulfide ore concentration procedure [].These tailings are transported to tailings deposits [] with a focus on achieving chemical and physical stability [2,6].To meet these objectives, it is imperative to remove toxic agents and potential sulfuric acid producers, …
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*Corresponding author: [email protected] Recovery of magnetite-hematite concentrate from iron ore tailings Mikhail Khokhulya1,*, Alexander Fomin1, and Svetlana Alekseeva1 1Mining Institute of Kola Science Center of Russian Academy of Sciences, Apatity, 184209, Russia Abstract. The research is aimed at study of the probable recovery of iron from the tailings of the Olcon
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Periyasamy and Mukhopadhyay (2019) exploited hydrocyclone to separate Indian iron tailings, the iron content grew from 56.32 to 62.04%, and the solid recovery rate reached 32%. da utilized ...
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Iron ore tailing is currently one of the most important secondary mineral resources. Pre-concentration followed by magnetization roasting and magnetic separation process was …
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Here the study focuses on the application of selective flocculation process for beneficiation of synthetic mixtures of iron ore and kaolinite as well as iron ore tailings.
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DOI: 10.1016/j.cjche.2024.10.033 Corpus ID: 275503463; Sustainable iron recovery from iron ore tailings using hydrogen-based reduction roasting and magnetic separation: A pilot-scale study
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Experiments have shown that it is possible to obtain a concentrate containing 65% iron, 1.8% alumina and 1.4% silica with an iron recovery of 80% from the tailings of Barsuan iron ore plant ...
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Iron ore tailings (IOTs) are the industrious solid waste discharged by concentrating mills after processing iron ores and selecting "valuable components" (Yao et al., 2020). In China, 600 million tons of IOTs are …
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The comprehensive utilization of iron tailings, a low-grade and refractory iron mineral, has received global attention. Various recovery technologies, including gravity separation [6], flotation [7], magnetic separation [8], and bioleaching [9], have been developed to exploit the rich iron resources in iron tailings based on the distinct properties of iron oxides and gangue …
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Pre-concentration followed by magnetization roasting and magnetic separation process was well recognized to be very effective in recycling iron from iron ore tailings. An iron concentrate containing 66.35% Fe with a total recovery of 57.74% was produced under the optimal experimental conditions (i.e., roasting temperature, 540°C; CO ...
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Iron ore tailings (IOTs) generated during the processing and utilization of iron ore are vital components of mineral solid wastes [1]. As the demand for metals and minerals increases globally, the amount of IOTs also increases annually. ... Copper recovery from tailings through bioleaching and further application of bioleached tailings residue ...
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However, the acid-leaching tailings of laterite nickel ore (LTLNO), which contain valuable iron resources, have not been cost-effectively recovered. In this work, we designed a novel method to extract iron from LTLNO and recycle it into high-valuable iron phosphate products using only phosphoric acid and iron powder. ... 96.5 % iron recovery ...
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Furthermore, all active and abandoned mine waste facilities represent a significant risk for both companies and local communities – as the breaching of the Brumadinho dam disaster, which killed 270 people at the Vale Córrego do Feijão iron ore mine in Brazil, demonstrated in the extreme.
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Iron ore tailings (IOTs) are an important solid waste in the mining industry, which can pollute the environment and endanger human health. However, the dis. ... with a recovery of 38.51%; 93.285 of iron, 73.41% of magnesium, 66.75% of aluminum, and 71.17% of calcium were removed from the raw material, respectively.
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The iron-bearing minerals in the tin tailings often are weakly magnetic hematite, limonite and goethite. Meantime, arsenopyrite exists in the tin tailing, which is harmful to iron smelting [7].The recovery technologies of iron from tailings mainly includes gravity separation, magnetic separation, flotation and reduction roasting [8], [9], [10]. ...
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Here the study focuses on the application of selective flocculation process for beneficiation of synthetic mixtures of iron ore and kaolinite as well as iron ore tailings. Results show that it is possible to achieve 65.78(%) of Fe, with 2.65% Al2O3, 3.66 SiO2 (%) in the concentrate using synthetic mixture feed and more than 60% of Fe is ...
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The recovery of iron-containing deposited carbon from the simultaneous heating of iron ore tailings and biomass can provide an alternative raw material for self-reducing agglomerates. This method can enhance the efficiency of the steelmaking process and contributes to reducing CO₂ emissions, aligning with global carbon reduction targets.
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