— 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 …

 — 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.

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

 — This study systematically explores the physical and chemical properties, grindability, and basic characteristics of extremely fine particle iron ore tailings (IOTs), providing the basis for the comprehensive utilization of such IOTs in …

 — 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 tailings …

 — 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 …

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 …

 — This study systematically explores the physical and chemical properties, grindability, and basic characteristics of extremely fine particle iron ore tailings (IOTs), providing the basis for the comprehensive …

 — Techniques like bioleaching and mechanical activation can improve tailings utilization. •. Utilizing tailings aligns with circular economy principles to transform waste …

 — Iron ore tailings (IOTs) are an important solid waste in the mining industry, which can pollute the environment and endanger human health. However, the disposal …

 — The two prominent methods for mine wastes management or storage are dams and dumps, according to Blight [].Mine tailing impoundments and dam failures are very common, and many literatures have reported this [13, 14] as a cause due to the geotechnical behaviour of tailings.The Fundao dam failure in 2015 [], Brumadinho dam …

 — 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 …

The situations, characteristics, and status of iron ore tailing resources in China are presented. The approaches of comprehensive utilization of iron ore tailings have been analyzed. It has been proved that the comprehensive utilization of iron ore tailings is efficient, socially beneficial and improves environment situation. The scopes of …

 — 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 ...

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 …

 — Figure 5: SEM images of iron ore tailings [28] tailings, contain a thimbleful of deleterious hea vy metal, which may cause en vironmental concerns or modify the

 — The chemical and physical properties of iron ore tailings are comprehensively examined in this review, and various beneficiation and metallurgical recovery techniques …

 — 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 …

 — Tailings are solid wastes of the ore beneficiation process in the extractive industry and are available in huge amounts in some countries. This paper reviews the potential utilization of tailings as a replacement for fine aggregates, as supplementary cementitious materials (SCMs) in mortar or concrete, and in the production of cement …

 — Iron ore consumption is expanding at a 10% annual pace globally. Steel output has lately increased to meet industrial demand. Due to the efforts of both domestic and …

 — 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.

 — 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.

 — Natural sand and iron ore tailings were used as aggregates. The natural sand was originally excavated from the lower reaches of Yangtze River and had an apparent density of 2.63 g/cm 3.The tailings were obtained from the local iron and steel industry and had an apparent density of 2.62 g/cm 3.The chemical composition of the …

 — 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 ...

 — 1. Introduction. Iron ore tailings (IOT) are a major industrial solid waste generated during the beneficiation of iron ores. It is estimated that several hundred million tons of IOT are discharged globally each year [1].The stockpiling of tailings not only occupies substantial land resources but also poses serious threats to the surrounding …

 — In Brazil, iron ore tailings generally have higher levels of iron reaching about 60% of Fe in its composition [3], ... 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.

 — 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]

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 in Scopus Google Scholar [4] F. Han, Y. Zhou, Z. Zhang. Effect of gypsum on the properties of composite binder containing high-volume slag and iron tailing powder.

 — 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 …

 — 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