The health and productivity losses associated with pollution, including that contributed by the iron ore industry, range from hospital and emergency room visits, lost work days, to the deliberating effects of chronic …
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This paper examines the water quality legacies of historic and current iron mining in the Mesabi Range, the most productive iron range in the history of North America, producing more than …
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Iron ore mining often involves clearing vast areas of land, which can disrupt ecosystems and displace wildlife. Additionally, the disposal of mining waste, known as tailings, …
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Hk T, Hossiney N (2022) A short review on environmental impacts and application of iron ore tailings in development of sustainable eco-friendly bricks. ... Uthra V, Senthil Kumaran S (2021) Effect of dumped iron ore tailing waste as fine aggregate with steel and basalt fibre in improving the performance of concrete. Mater Today Proc 46(xxxx ...
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Apaza et al. (2021) investigated the utilization of iron ore residue for micro-surfacing cold asphalt mix and compared its performances with conventional mix. Test results showed that the designed micro-surfacing mix with iron ore waste can meet the requirements for use and the maximum content can reach 20% of total aggregates.
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overburden/waste and ore, brings about the inevitable natural consequences, which manifest in many ways, deforestation, climatic change, erosion, air and water pollution and health hazards. Iron ore mining and processing of ore, affects the environment in myriad ways causing: (a) Land disturbance and change in land use pattern.
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Schematic representation of physicochemical and biological characteristics of iron ore mine tailings. In some cases, iron ore tailings show high alkalinity, which reduces other nutrients [] such as N, P, Ca and Mg availability [].The highlighted physical characteristics, such as poor water-holding capacity [17,24], low permeability [], and high bulk density [] make the situation critical.
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As one of the solid tailings waste with a relatively elevated proportion, the storage volume of IOT in China has reached 5 billion tons [28]. Annually, Malaysia generates millions of tons of iron ore tailings (IOT) by-products [29]. The mining company VALE in Brazil produced 625.9 million tons of IOT in 2019 [30]. Nonetheless, the utilization ...
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This article presents information on the wastes generated and associated during iron ore extraction and beneficiation, and their environmental impacts. Further, it focuses on …
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So the extracted waste like iron ore tailing, aluminium slags, coal fly ash etc. create environmental pollution, contamination and an unhealthy atmosphere for mining workers and surrounded living beings. Hence, the barriers/challenges of sustainable waste management must be found to help miners to practice it for the betterment of mining ...
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Environmental Impact Assessment Iron ore sector is on the threshold point of expansion, by opening up of new mines and expansion and expansion of existing mines. The iron ore mining …
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This paper compares the social impact of the steel industry in Belgium, China, and the United States as well as the effects of substituting fossil coal with waste wood following the social Lifecycle Assessment (s-LCA) principles defined by the UNEP/SETAC guidelines. It also aims to be beneficial for practitioners by introducing the s-LCA method and its application to …
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In this present study, a techno-economic approach was employed to investigate the enhancement of the chromium-to-iron (Cr/Fe) ratio of chromite ore, utilizing magnetizing roasting via both conventional and microwave heating sources. The primary objective was to selectively remove iron (Fe) from chromite spinel, thereby increasing the magnetic susceptibility of iron …
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Six workers were killed on 9th December 2006 when iron ore mining waste dumps collapsed in the Tollem mines in Goa, India. The nearly 100-metre high overburden dumps - covering an area in a 200-metre radius - gave way burying the excavating machines as well as the operators beneath them in the interior Sanguem iron-ore mining heartland of the ...
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Mining common minerals involves managing a large mass (gangue) associated with moving a significant amount of waste generated during mining. For example, the extraction of coal, lignite, building materials, iron, and rare metals, such as copper, nickel, or gold, require drilling, crushing, handling of piles, ore loading, waste loading, unloading, and hauling (Asif et …
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The present study investigates the effects of utilizing dumped waste as a practical resource for making concrete. In this regard, waste marble powder used a filler material replacing a smaller constant portion of cement, dumped iron ore tailings (IOT) were used as a partial replacement for fine aggregate in different proportions.
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High concentrations of dissolved iron and particle-suspended matter are found in iron ore mining wastewater tailings, which change the chemistry of water and the bioavailability of metals. 1. Air Quality. 2. Acid Rock Drainage. 3. Wetlands …
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The two different kinds of iron ore waste, collected from the surface in the iron ore waste dam located in the Handan City, which had the largest iron ore production in Hebei province, were tested for norfloxacin adsorption. The iron ore wastes were named 5-IOW and 14-IOW as the order number of iron ore waste dam in Hebei province.
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Acid rock drainage from waste rock. Although the character of waste rock varies with the type of ore, many waste rocks contain sulfide minerals associated with metals, such as lead, zinc, copper, silver, or cadmium. An important sulfide mineral common in …
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Purpose of Review Many factors influence the health impact of exposure to metalliferous mine dusts and whilst the underpinning toxicology is pivotal, it is not the only driver of health outcomes following exposure. The …
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Combined effect of iron ore waste and basalt fiber with high-volume supplementary cementitious materials on the workability, strength, and microstructure of sustainable concrete ... fibers to the concrete mix considerably improved the tensile strength and decreased the economic cost and environmental impact, especially with 0.6 % PP fiber and ...
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Analysis of water quality for all the water bodies around the mines must be done to determine the source, effect and remedies of the pollutants and contaminants. This study deals with the analysis of water sample collected from iron ore mines. Similar …
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Valorization alternatives for ferrous wastes under the circular economy concept. This research represents a thorough review of the potential applications of the ferrous wastes generated from different sources from the metallurgical …
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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 improper disposal of such waste causes negative impact on the environment. One such waste which is generated during the beneficiation process of iron ore is waste iron ore tailings, which …
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Explore the damaging impact the extraction of iron ore for construction has on our natural environment globally.
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The iron mines of the Mesabi Range and the broader Lake Superior Iron Ore District were globally significant, serving as the primary producer of global iron ore for more than a half-century, and providing nearly half the world's supply of iron ore during the years following World War II (Forbes 1953). But as these Lake Superior ore bodies ...
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The data reported above showed that the iron ore co-sintering technology was effective techniques to disposal of CROS generated from cold-rolling section in iron and steel plants. Effects on sintering conditions, finished sinter performances and the emission characteristics of sintering flue gas pollutants, especially dioxins during iron ore co ...
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The preparation of iron ore tailings (IOTs) into supplementary cementitious materials (SCMs) is an effective approach to achieve value-added utilization of industrial solid waste. This study systematically investigates the hydration pattern and strength development of Portland cement systems with the incorporation of IOTs, steel slag (SS), granulated blast-furnace slag …
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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 ...
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The environmental problems associated with the iron ore mining are diverse. The removal of vegetation, top soil, overburden/waste and ore, brings about the inevitable natural …
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