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 comprehensive utilization of iron ore tailings …
Aiming at the problem of iron ore waste resource utilization and lack of soil for soil reconstruction, we proposed the technology of using a large amount of iron tailings to reconstruct reclaimed ...
Management of the stepwise processing of iron-ore waste in mining regions ensures rational resource utilization by introducing waste-free and low-waste technologies, …
Utilization of mine waste rocks and tailings in concrete as aggregates will help in sustainable and greener development. The literature shows the potential use of iron ore tailings as a …
Iron-rich industrial waste (steel slag, red mud, nickel slag, copper slag, and iron ore tailings) is characterized by high yield, low utilization, and rich iron content (≥29%). Their utilization as …
Abstract Iron ore tailing (IOT) is the wastes generated during the salutariness process of iron ore concentration. These wastes are abundant in quantity, which can be utilized in many ways. In …
DOI: 10.1016/j.jhazmat.2018.04.032 Corpus ID: 13677231; Clean recycle and utilization of hazardous iron-bearing waste in iron ore sintering process. @article{Gan2018CleanRA, title={Clean recycle and utilization of hazardous iron-bearing waste in iron ore sintering process.}, author={Min Gan and Zhiyun Ji and Xiao-hui Fan and Xu-ling Chen and Yang Zhou and Guo …
One such waste which is generated during the beneficiation process of iron ore is waste iron ore tailings, which is also termed as IOT. Further, dumping of IOT on open ground creates huge dumping sites. ... H. R. Arjun and George Ignatius, "Utilization of Iron Ore Tailings for the Production of Fly Ash | GGBS-Based Geopolymer Bricks ...
For pelletization study, as received iron oxide pellet fines were ground to below 150 μ using ball mill. The particle size distribution of ground iron ore fines was determined by the Malvern particle size analyzer (Hydro 2000MU, UK) and shown in Fig. 2.Blaine number was measured to determine surface area of the iron oxide pellet fines using air permeability …
The production of one portion of steel requires roughly three portions of primary natural raw materials (iron ore and coke) that will end up discarded and accumulated in the form of tailings, metallurgical slag, overburden, etc. Most of the waste is a product of the beneficiation of low …
The objects of this work are (1) to evaluate the iron ore wastes as a new sorbent for removal of norfloxacin in the aqueous while providing new insight into iron ore waste utilization in pollution control (2) to investigate the kinetic and different parameters involved in norfloxacin adsorption onto iron ore wastes, while could give the ...
Mining waste that is rich in iron-, calcium- and magnesium-bearing minerals can be a potential feedstock for sequestering CO 2 by mineral carbonation. This study highlights the utilization of iron ore mining waste in sequestering CO 2 under low-reaction condition of a mineral carbonation process. Alkaline iron mining waste was used as feedstock for aqueous mineral …
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 ...
Iron ore tailing (IOT) is the wastes generated during the salutariness process of iron ore concentration. These wastes are abundant in quantity, which can be utilized in many …
Utilization of mine wastes as a building material in the construction industry surmises to environmental and sustainable concepts in civil engineering.The potential environmental threat posed by ...
In iron and steel industry, Iron ore tailings (IOT) and slimes utilization is still an area of challenge, because of the low content of iron oxide present in them, which is unsuitable for metal ...
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 …
Iron ore tailings (IOTs) is a waste product generated from the production process of iron ore. In this study, IOTs is used as partial replacement for natural sand in the production of normal strength concrete. ... 2321-7308 UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE PAVEMENTS B N Skanda Kumar1, Suhas ...
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.
Gangue is complex and refractory iron ore such as fine-grained red (magnetite) iron ore with iron-containing silicate embedded, siderite, limonite, and oolitic ore. (3) Low-grade refractory fluorite ore. (4) Efficient separation of complex and refractory tungsten ore. Onsite evaluation or supporting materials: (1)
Resource utilization of municipal solid waste incineration fly ash in iron ore sintering process: A novel thermal treatment. Author links open overlay panel Guojing Wong a, ... Clean recycle and utilization of hazardous iron-bearing waste in iron ore sintering process. J. Hazard Mater., 353 (2018), pp. 381-392, 10.1016/j.jhazmat.2018.04.032.
In this study, a novel technology for the comprehensive utilization of low-grade iron ore is presented. For the iron ore with a Fe content of 24.91%, a pilot-scale study of pre-concentration ...
This integrated zero-waste leaching process represents a pioneering approach to the comprehensive recovery and utilization of iron ore tailings, offering substantial economic …
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 granular material. This paper presents the …
The results of the study reveals that mixture with 70 % iron ore waste, 15 % cement and 15 % fly ash gives the minimum required compressive strength and water absorption properties of bricks for ...
The present study showcases the potential of using iron ore tailings and red mud with GGBS by geopolymerization for the production of eco-friendly bricks which can serve as structural and nonstructural elements. ... The results of the current study showed that the production of eco-friendly bricks by effective utilization of waste materials ...
The innovative utilization of biomass waste was effective for iron recovery of hematite ore and contributes to the reduction of greenhouse gases and the protection of the environment. The straw-type biomass, as a green and alternative reductant for the suspension magnetization roasting (SMR) of iron ores, is proposed.
Iron ore is essential in steel making; however, high-grade ores have diminished, making low-grade ores inevitable. These low-grade iron ores need further beneficiation to upgrade the iron content. Currently, traditional physical and chemical methods are utilized and are not environmentally friendly. Bio-beneficiation techniques have emerged as a sustainable …
2.3.2 Utilization in iron ore sintering Iron ore sintering occurs at temperatures of 1200–1400°C, ... utilization. Waste plastics can be utilized in ironmaking, namely cokemaking, and BF; or EAF …
With increasingly stringent environmental protection policies, cost-effective and value-added treatment of massive lead–zinc waste rock (LZWR) generated from the preconcentration process has attracted substantial attention. A type of dolomitic LZWR with 18 wt.% MgO, 27 wt.% CaO, 0.29 wt.% Zn and 1.43 wt.% S was used as a replacement flux in …
To preserve the iron ore, secondary sources like ore fines, mill scale, slime and low grade iron ore (after beneficiation) can be utilized.
Applying recycled iron-bearing waste materials (RIM) into iron ore sintering process is the general disposal approach worldwide, while its use is still a thorny problem. ... Clean recycle and utilization of hazardous iron-bearing waste in iron ore sintering process J Hazard Mater. 2018 Jul 5:353:381-392. doi: ...
Currently, approximately 1.4 billion tons per year of iron ore tailing wastes (IOT) are generated, mainly in Australia, Brazil, and China. This work describes the characterization and application ...
Mineral waste can be defined as a material leftover from exploration, mining and quarrying operation that cannot find a productive use. It is the high-volume material that originates from the excavation and physical and chemical processing of a wide range of metalliferous and non-metalliferous minerals by opencast and deep shaft methods [].The mine waste is the …
Keeping in view the rising demand for iron and steel in India, fresh exploration of iron ore resources, and thereby generation of mining wastes is on the anvil. Iron ore overburden, which is generated during selective mining, is one of such low-grade iron resources which cannot be directly subjected to iron making because of the low iron content.
A new way to efficient utilization of eggshell waste: As green dephosphorization agent and accelerator for reduction roasting of high-phosphorus oolitic iron ore. ... Reduction roasting of high-phosphorus oolitic iron ore (HPOIO) requires the addition of expensive alkali metal compounds to enhance dephosphorization. In this paper, the eggshell ...
Thus, the iron ore sintering process provided a viable solution for resource utilization and environmentally friendly treatment of zinc extraction residues. Zinc extraction residue, a solid waste generated from the treatment of zinc-containing dust in rotary kilns, is commonly stockpiled in steel companies for
As industrial waste, iron ore tailings (IOTs) can be mixed with bentonite and bauxite and subsequently sintered into ceramsite. Under sintering at 1120 °C, ceramsite with 60- wt% IOTs, 30- wt ...
Increased mining activity of iron ore has led to the generation of voluminous wastes of various nature, especially during the different stages of its extraction and production. The …
In this study, a novel technology for the comprehensive utilization of low-grade iron ore is presented. For the iron ore with a Fe content of 24.91%, a pilot-scale study of pre-concentration, suspension magnetization roasting, …