In the present study Iron Ore Tailings (IOT) procured from Kudremukh Lakya Dam site (KIOCL Ltd.) are used as partial replacement to fine aggregates at levels of 10, 20,30,40,50 percent
Therefore, there is an urgent need to develop cost-effective tailings utilization technologies. The iron tailings are often used to make ceramsite, cement and other building materials (Conclusions. This study tested joint soil utilization technologies using 3 types of amendments, 3 types of plants, 3 types of microorganisms.
1. Introduction. Vanadium-titanium iron ore tailings (VTIOT) is solid industrial waste produced during the beneficiation process of vanadium-titanium magnetite (VTM) [1], [2], which has been stockpiled in huge quantities in China [3], [4], with cumulative stockpiles exceeding 7.5 billion tons [5], not only occupying a large amount of land, but …
An evaluation of iron ore tailings characteristics and iron ore tailings concrete properties. Author links open overlay panel Jiangshan Zhao a, Kun Ni b, Youpo ... A comparative study on the practical utilization of iron tailings as a complete replacement of normal aggregates in dam concrete with different gradation. Journal of …
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.
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 …
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 …
This study addresses the properties of a new UHPC incorporating iron ore tailings. Based on the experimental results, the following conclusions are drawn: (1) With increasing TS …
LI C, SUN H, BAI J, et al. Innovative methodology for comprehensive utilization of iron ore tailings:Part 1. The recovery of iron from iron ore tailings using magnetic separation after magnetizing roasting[J]. Journal of Hazardous Materials, 2010, 174(1):71-77. Google Scholar [18]
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 a meticulous insight into the optimization, mechanism, and assessment of the co-utilization of IOTs and CFA for the preparatio …
In this study, the potential of converting iron ore tailings (IOTs) into sustainable building materials was explored. IOTs were combined with fly ash (FA) and ground granulated blast-furnace slag (GGBFS) to prepare IOTs-based supplementary …
Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at different points during a process involving pre-concentration followed by direct reduction and magnetic separation. Then, slag-tailing concrete composite admixtures …
Sustainable handling of iron ore tailings is of prime concern to all stakeholders who are into iron ore mining. This study seeks to add value to the tailings …
Innovative methodology for comprehensive utilization of iron ore tailings: Part 1. The recovery of iron from iron ore tailings using magnetic separation after magnetizing roasting. J. Hazard Mater., 174 (2010), pp. 71-77, 10.1016/j.jhazmat.2009.09.018. View PDF View article Google Scholar.
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 ...
The iron mine tailings accumulation in dams is an environmental and economic problem. ... Onitiri and Akinlabi 4 used 20% by volume of iron ore tailings as maximum amount in ... T. Utilization of ...
Sulfur iron ore tailings (SIOT) was adapted to improve the flowability of the alkali-activated mortar as grouting material. ... 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.
In our group, the comprehensive utilization of iron ore tailings is the focus of our research, and our final goal is to realize zero-emission of iron ore tailings wastes. Based on the above description of different ways of utilization of iron ore tailings, the cost of only recover iron from tailings is high because of the low content of iron.
1. Introduction. Recently, the rapid development of electric vehicles has raised concerns about the availability of the metal resources required for Li-ion batteries, such as iron (Fe), cobalt (Co), and nickel (Ni) [1], [2].Laterite nickel ore, which accounts for 75 % of the total nickel reserves, has emerged as a primary source for nickel mining in the future [3], [4], [5].
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. After analysis of chemical composition and crystalline phase, according to experimental mecha …
DOI: 10.1016/j.jobe.2023.106585 Corpus ID: 258231807; Utilization of iron ore tailings with high volume in green concrete @article{Zhang2023UtilizationOI, title={Utilization of iron ore tailings with high volume in green concrete}, author={Yannian Zhang and Zhijun Li and Xiaowei Gu and Moncef L. Nehdi and Afshin Marani and Lei V. Zhang}, …
More research on integrated tailings utilization processes is key to demonstrate feasibility. ... Peelman et al. [113] used Kiruna iron ore MTs in Sweden, which contain approximately 5300 ppm of apatite and monazite minerals, to extract REEs via acidic leaching using HNO 3. The results showed that HNO 3 leaching dissolved the …
Utilization of iron tailings as fine aggregates in low-grade cement concrete pavement. IOP Conference Series: Materials Science and Engineering, 479 (2019), p. ... Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete. Constr. Build. Mater., 50 (2014), pp. 540-548.
This work investigates the usage of graded iron ore tailing sands (GIOT) as aggregates in cemented mortar to reduce the pollution of iron ore tailings (IOT) and shortage of river sands. Fresh and hardened properties of graded tailings cemented mortar (GTCM) with partial replacement of standard sands (SS) by GIOT were investigated, by …
The chemical and physical properties of iron ore tailings are comprehensively examined in this review, and various beneficiation and metallurgical recovery techniques …
1. Introduction. Iron tailings, generated from the beneficiation and metallurgy of iron ore, are hazardous wastes that pose significant environmental challenges due to their large-scale disordered storage, resulting in widespread damage and safety concerns [1], [2].The annual worldwide deposition of over 10 billion tons of iron tailings in …
Tailing storage facilities are very complex structures whose failure generally leads to catastrophic consequences in terms of casualties, serious environmental impacts on local biodiversity, and disruptions in …
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. ...
Iron tailings are the main component of industrial solid waste, and their resource utilization has attracted the attention of the whole society. Based on the introduction of chemical mineral composition of iron tailings, the comprehensive utilization status of iron tailings is analyzed.
Iron ore tailings are a common type of hazardous solid waste in China and have caused serious environmental problems, and the high cost of producing ultra-high performance concrete (UHPC) provides the motivation to look for low-priced raw materials. ... Utilization of iron tailings as substitute in autoclaved aerated concrete: physico ...
1. Introduction. In recent years, with the rapid development of the iron and steel industry, the amount of industrial waste gases, wastewater, and waste residues has increased every year [[1], [2], [3], [4]].Among these, the amount of iron ore tailings discharged from concentrators is enormous, and more than 10 billion tons of iron ore …
The aim of this review is to re-assess the potential utilization of tailings for cement clinker production and the opportunities and challenges of using tailings as …
TECHNICAL ARTICLE Resource Utilization of Iron Ore Tailings to Recover SiO 2 Sand Through S-HGMS: Parametric Optimization and Mechanism Analysis AO ZHANG,1 XIAOFENG YANG,2 CONG LI,1 YONGKUI LI,1 YU CHEN,3 XIAODONG PAN,1 YONGPING XIE,1 and SUQIN LI1,4,5 1.—School of Metallurgical and Ecological …
Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete Constr. Build. Mater., 50 ( 2014 ), pp. 540 - 548, 10.1016/j.conbuildmat.2013.10.019
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 iron ore, leading to environmental concerns. At the same time, due to excessive usage and environmental regulations, there is scarcity of naturally available …
The mining industry has been expanding and consequently increasing the associated environmental impacts, especially regarding this process's high volume of iron ore tailings (IOT) disposal. The best way to solve the problems caused by IOT is to develop large-scale utilization technologies that may consume large quantities of it.
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 ...
Iron tailings are fine, stable and complex materials, which are mainly composed of minerals and metal oxides.Residual silicon in iron tailings can be used to prepare mesoporous silica materials applied to energy storage, environmental protection and other fields. This paper reported a novel synthesis strategy from iron tailings to …
Agricultural resource utilization of iron tailings, used for medium- and low-yield field improvement and reclamation, not only consumes large amounts of beneficiation iron tailings accumulated in ...
