IOTs are solid waste from iron ore during the re-election, magnetic separation, and flotation processes. They are a vital secondary resource containing some iron and other valuable elements. Considering the potential economic and environmental benefits, sustainable waste utilization, including low-carbon metallurgical recovery of …
The extent to which iron-ore tailings are produced at different washing plants in India from iron-ore mining activities is presented in Table 1. From the foregoing, it is evident that large quantities of iron-ore slimes are annually produced in India and the iron content of such waste streams varies between 52 and 62.8% Fe.
This paper presents an integrated approach for SO2 reduction and energy conservation by recycling waste gas during the iron ore sintering process. We established a mathematical model for the sintering flue gas temperature (SDG-T) and SO2 content (SDG-SC), and analysed the influences of the raw materials (carbon and moisture …
Iron-ore waste generated is likely to increase in future due to higher demand for iron ore as a number of steel plants have been planned in many parts of the
India Ranks 4th in terms of iron ore production. Know more about Iron Ore, its Types, Distribution in India & world, Map in this article for the UPSC exam.
The preparation of finer iron ore particles which can be used suitably in pelletization, decreases the binder requirement in the process, but increases the energy consumption during crushing and ba...
Utilization Potential of Iron Ore Tailing Waste in Various Applications S. R. Bharath, N. Lavanya, H. B. Bharath Kumar, R. K. Chaitra, and Rahul Dandautiya 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 the present study waste from two different iron ore mines have been tried for their utilization as a construction material through geopolymerisation technology. As a primary consideration, shapes made in the form of common bricks were tested for their densification behavior, compressive strength and water absorption. ...
Appreciating the enormity of the environmental issue associated with iron ore, many have proposed new methods for using iron ore tailings for a quantitative …
Applying recycled iron-bearing waste materials (RIM) into iron ore sintering process is the general disposal approach worldwide, while its use is stil…
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 and high value-added utilization of iron tailings have always been a challenge. Notably, superconducting high-gradient magnetic separation (S-HGMS) technology is a …
The reduction of iron ore using biomass-based reductants has opened up a new chapter because of its contribution to energy conservation and emission r…
Iron ore tailings (IOTs) are a byproduct of the iron ore beneficiation process and are a significant source of solid waste [13, 14]. In China alone, an astounding 600 million tons of IOTs are produced annually, yet the utilization rate remains shockingly low at …
The utilisation of the iron ore tailings could have positive effects on the environment because the quantity of iron ore tailings could be reduced tremendously. This could also lead to the reduction of adverse environmental effects and render the operations of the iron ore mine companies more sustainable in state.
Basic oxygen furnace (BOF) sludge is composed of not only valuable iron but also impurities like Zn, Pb, and some alkaline oxides. It is collected from wet cleaning system in steelmaking plants. How to deal with these double identity wastes? Will the traditional landfill treatments result in environmental pollution? What technologies have …
Indian Iron Ore Scenario : Low Grade Iron Ore Beneficiation Anand Kumar, Manager (mining), Omendra Singh, Design Engineer (Mining) ... beneficiation process has to be explored to reduce the waste generation in mines and for the sustainable growth of the iron ore industry. ... utilisation of low grade iron ores, beneficiation of low grade fines ...
The solid material generated in large quantities by iron ore extraction is the material that overlies the ore body and the processed tailings ( Fig. 2 ). These wastes …
The chemical and physical properties of iron ore tailings are comprehensively examined in this review, and various beneficiation and metallurgical recovery techniques …
This paper highlights the overview of iron ore nes and steel plant wastes utilization by producing iron ore/oxide-coal/char composite pellets and subsequently using for
Iron ore tailing (IOT) is a solid waste generated after the beneficiation process of iron ores. Further, due to the complex nature of ore, the amount of IOT generated varies from place to place. For instance, in Western Australia, the production of 1 ton of iron ore results in the generation of 2 tons of IOT [17].
A comprehensive overview of the published literature on the use of iron ore waste and . tailings and other industrial waste in concrete is being presented. The effect of various prop. erties such as . workability, compressive strength, split tensile strength, flexural strength, durability and microstructure of ...
Currently, high-grade iron ore reserves are being depleted and the utilization of low-grade and refractory iron ore is a suitable way to solve this problem . In China, a large reserve of refractory iron ore lacks appropriate treatments due to its properties such as poor iron grade, complex composition and fine-grained granularity.
This study investigates experimentally the cement/bentonite stabilization of iron ore tailings from the Golgohar iron ore mine, which is the largest producer of raw (un-smelted) iron products in Iran. A comprehensive series of compaction and uniaxial compression tests was performed on mixtures of cement/bentonite and tailings.
Abstract 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 by utilising them as a replacement for aggregates in concrete. A concrete mix of grade 40 MPa was prepared in the laboratory with water–cement ratio of 0.5. The concrete were cured …
The waste management system for transforming mining waste into resources creates a complex cluster of inter-related aspects (socio-economic, environmental, and technological) and have many stakeholders including local communities, NGO's, mining and related industries, etc. Inadequate data on mine waste materials impede the …
An alternative can be to use Iron ore slime to mitigate the above mentioned limitations. Iron ore slime is the disintegrated part of iron ore generated in a large quantity during mining process and is about 35% of the total iron ore materials [12].
Many researchers have investigated and written on the utilisation of waste water treatment and waste mining materials such as polymer composites and ceramics. ... Hence, it is essential to categorise the types of waste found in iron ore mines to test their applicability. In this paper, studies are conducted on iron ore mines, wastes are ...
The use of suitable adsorbent to treat the inorganic effluent mostly depends on the technical usage and cost-effectiveness. Several experiments have been carried out on the alteration of industrial by-products, including fly ash, iron waste, iron slags, and hydrous titanium oxide to improve the removal of metals from waste effluent (Barakat, …
Waste and tailings from iron ore mining plants are utilized for the manufacture of construction materials (Sreekant et al. 2016). The ores and coke used for reduction of Fe contain heavy metals. ...
This study presents a methodology for making bricks, in a cost-effective and environmentally friendly manner, using the tailings produced from iron ore mines in Western Australia (WA). The study was based on the geopolymerisation process, which is known to conserve energy by reducing the emission of greenhouse gases. The …
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 …