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Srishaila-"Utilization of Iron Ore Tailings as Replacement to Fine Aggregates in Cement Concrete Pavements", International Journal of Research in Engineering and Technology.eISSN: 2319 -1163 / pISSN: 2321 7308. [2] K.G.Hiraskar and ChetanPatil-"Use of Blast Furnace Slag Aggregate in Concrete', ...
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Publish Date: 25 June 2022. Abstract. Iron tailings is one of the main solid waste produced in the process of iron ore development, and is also an important secondary resource. The common ways of comprehensive recovery and …
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World is bestowed with self-sufficient magnetite and hematite iron ores. Huge volume of mining waste, namely iron ore tailings (IOT), is generated during processing of …
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For example, the content of SiO 2 in phosphate tailings is 2.1, in contrast to the 75.23 in iron ore tailings. Even if there were all lead-zinc tailings or iron ore tailings, the variation content of SiO 2 is 15.50-69.92 in the lead-zinc tailings …
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3.1.4 Iron Ore Tailings Tailings are the materials left over, after the process of separating the valuable fraction from the worthless fraction of an ore. Tests on Iron Ore Tailings procured from Kudremukh, Lakya Dam site were conducted. The properties of the IOTs are indicated in table 3.4 Fig 3.2 Iron Ore Tailings
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Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete. Constr. Build. Mater., 50 (2014), pp. 540-548. View PDF View article View in Scopus Google Scholar [21] G.D. Zhang, X.Z. Zhang, Z.H. Zhou, et al. Preparation and Properties of Concrete Containing Iron Tailings/Manufactured Sand as Fine Aggregate.
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AbstractIn Brazil, large quantities of iron ore tailings (IOT) are produced as a result of iron mining, which may affect the environment negatively. This work evaluated the use of IOT in hot mix asphalt type C (HMA-C). For this purpose, IOT was ...
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The utilization of tailings as new resources has become one of the hotspot topics and presents a real challenge for the Chinese mining industry. This paper deals with a systematic study on the recovery and enrichment of tourmaline from tailings of an iron-ore * …
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researchers have examined utilization of iron ore tailings as raw material to make value added construction products. The main focus of these studies was on further beneficiation possibilities and utilization of silica present in tailings as raw material in ceramic industry (Ghosh & Sen, 1999; Das et al., 2000).
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Specifically, the effective utilization rate of inactive mine solid waste, including iron ore tailings and coal gangue, stands at a mere 20 % [40], [41]. Therefore, utilizing large quantities of iron ore tailings and coal gangue as primary raw materials for non-sintering ceramsite production carries substantial environmental benefits.
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From this, we may infer that magnetite of the correct quality can be prepared from iron ore tailings. The IOT utilization to extract alumina from alumina rich IOT in India is also practiced. The yield percentage of iron values is currently limited to about 50%, and large quantities of residual waste are produced. ...
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Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are …
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Article on Co-utilization of iron ore tailings and coal fly ash for porous ceramsite preparation: Optimization, mechanism, and assessment, published in Journal of Environmental Management 348 on by Penghui Guo+6. Read the article Co-utilization of iron ore tailings and coal fly ash for porous ceramsite preparation: Optimization, mechanism, and …
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Request PDF | On May 27, 2022, P. Shubhananda Rao and others published Utilization of Iron Ore Tailings in Bricks | Find, read and cite all the research you need on ResearchGate
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A series of laboratory tests were conducted to investigate the possibility of using sulfur iron ore tailings (SIOT) in GGBS-metakaolin based alkali-activated mortar (AAM) as grouting material. The results indicate that increasing …
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Maximizing the utilization of industrial by-products, such as iron ore tailings (IOTs) and coal fly ash (CFA), is crucial toward sustainable development. This study provides …
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The results show that the activation of iron ore tailings(IOT) can increase the specific surface area, improve the surface energy and activity, increase the degree of participation in hydration reaction, promote the formation of a large number of acicular ettringite and C-S-H gel, improve the pore structure of hydration products, and lead to denser microstructure.
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High‑silicon iron ore tailings (IOTs) as mineral solid wastes derived from the processing and utilization of iron ore, which would threaten human health and the ecological environment if handled improperly. Coincidently, it consists of abundant quartz gangue. In this study, we proposed a superconducting high gradient magnetic separation (S ...
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Iron ore tailings (IOTs) are an inevitable by-product produced during the beneficiation process of iron ore (Almeida et al., 2023). The rapid growth of mineral mining and ferrous metallurgy has led to an increase in the generation of IOTs. Approximately 0.40–0.60 tons of IOTs are generated in the treatment of 1.0 ton of iron ore.
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Iron ore tailings (IOT), the predominant solid by-products of iron ore mining and refining, present significant environmental challenges due to their sheer volume. This paper endeavors to scrutinize the prospective deployment of IOT as an alternative to soft soil in the fabrication of controlled low strength materials (CLSM) for backfill applications.
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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 …
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Utilization of iron ore tailings as raw material for portland cement clinker production. Adv. Mater. Sci. Eng., 2016 (2016), Article 1596047, 10.1155/2016/1596047. View …
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Utilization of Iron Ore Tailings for Brick Manufacture from Donimalai Mines of . Karnataka, India . Ranjeet Kumar Singh 1,2, Debjit Pal 3, Shailendra Kr Signh 1,2, Nimisha Tripathi 4 and Raj S ...
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In the case of Kudremukh, with an iron ore content of just 30%, the remaining 70% of waste iron ore tailing had to be dumped in the forested Lakya valley, across which a tailings dam was constructed. This dam now contains over 180 million tonnes of iron ore tailings. Objectives. Determining the physical and chemical properties of iron ore tailings.
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A novel method to prepare high-quality enstatite-spinel based glass-ceramics by co-utilization of ferronickel slag (FNS) and iron ore tailings (IOT) via microwave-assisted one-step crystallization was proposed with an emphasis on the effect of IOT content on the preparation process. ... Iron ore tailings (IOT) is a common solid waste primarily ...
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The higher content of OPC in bricks also SINGH et al.: UTILIZATION OF IRON ORE TAILINGS FOR BRICK MANUFACTURE 215 Fig. 4 — Relation between different iron tailing percent (%) combination ratios and bulk density (g/cm2) of proposed sample of the brick. Fig. 5 — Compressive strength (CS) of manufactured brick from iron ore mine wastes 216 J ...
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Figures 1 and 2 show the mining sectors of iron ore and aluminum in India, which produces nearly 18 million tons of iron ore tailings and more than four million tons of red mud. These waste materials have been promising as value-added building materials and will significantly contribute to the global efforts in reducing natural clay depletion.
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IJESC, 2019. Iron Ore Tailings (IOT) are the waste slag resulted from iron ore mines. Large amount of Iron Ore Tailings (IOT) have been generating every year posing serious environmental problems, large production of cement everyday …
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UTILIZATION OF IRON ORE TAILINGS FOR BRICK MANUFACTURE . 211 and conserved urgently to avoid worsening the situation. Solidification or stabilization is considered an effective solution for the long term. Since the method of solidification minimizes the environmental pollution risk and helps in natural resources ...
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For example, the content of SiO 2 in phosphate tailings is 2.1, in contrast to the 75.23 in iron ore tailings. Even if there were all lead-zinc tailings or iron ore tailings, the variation content of SiO 2 is 15.50-69.92 in the lead-zinc tailings or 24.19-75.23 in the iron ore tailings. As a result, if tailings are only classified according to ...
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The production of iron ore tailings is increasing annually with the continual mining of low-grade iron ore (Kinnunen and Kaksonen, 2019, Yang et al., 2017, Zhang et al., 2018, Zhang et al., 2019b).More than 10 billion tons of iron ore tailing have been produced in China, but only approximately 27.69% of tailing materials had been utilized comprehensively as of 2018 …
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The iron ore tailings aggregates concrete exhibited a good mechanical strength and even in the case of compressive strength, there was an improvement of 11.56% over conventional aggregates concrete. ... L., & Zhenling, L. (2010). Recycling utilization patterns of coal mining waste in China. Resources, Conservation and Recycling, 54, 1331–1340 ...
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ore tailings and bottom ash as fine a ggregates in. concrete. They r eplaced fine aggregate with 10%, 20%, 30%, 40%, and 50% iron ore tailings and with 10, 20, 30, 40, and …
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Iron tailings is one of the main solid waste produced in the process of iron ore development, and is also an important secondary resource. The common ways of comprehensive recovery and utilization of iron tailings …
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The porosity of iron ore tailings geopolymer bricks ranged from 14.6% to 25.4% and for red mud geopolymer bricks ranged from 14.28% to 36.4% (Figure 11). This has not shown the significant influence on the compressive strength. The density of brick has not been significantly influenced by the varying percentages of iron ore tailings and red ...
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