The Role of Chemical Activation in Strengthening Iron Ore …
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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Enhancing sustainability in concrete: synergistic effects of …
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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Assessment of Zero Waste Approach by Enhancing Chromium-to-Iron …
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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The Environmental Impact of Iron Mining: A Comprehensive …
This article delves into the extensive environmental implications of iron mining, exploring its impact on land, water, air quality, and local ecosystems. By examining both direct …
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Toxicological effects of mining hazard elements
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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Iron Ore Mining, Waste Generation, Environmental …
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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Environmental Impact Assessment for Iron Ore Mines – …
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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Effect of dumped iron ore tailing waste as fine aggregate …
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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The Role of Chemical Activation in Strengthening …
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 …
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Combined effect of iron ore waste and basalt fiber with …
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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Utilization of iron ore tailings with high volume in green …
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 only 7% [14].
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Towards iron ore mining sustainability and low-carbon …
The study underscores the significance of recognizing the diverse and nuanced impacts of each TBL component on iron ore mining efficiency. Moreover, our findings highlight a temporal dimension, emphasizing that the long-term impacts of these variables on iron ore mining efficiency surpass their effects in the short run.
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Effects of constructing farmland with large amounts of iron …
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 ...
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How can metal mining impact the environment?
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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Utilization of iron ore tailings with high volume in green …
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 only 7% [14].The high demand for iron production has led to an increased disposal of IOTs, resulting in severe …
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Utilization of cold-rolling oil sludge via iron ore sintering co
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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Bibliometric and Scientometric Assessment of the Environmental Impact
Open-cast iron ore mining is vital for the global economy, providing the raw material for steel production. It is cost-effective and allows for the efficient extraction of large ore quantities within shorter timeframes compared to underground mining. However, open-cast mining can have significant environmental impacts. Open-cast iron ore mining is essential for meeting the …
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7 Environmental Impacts of Iron Ore Mining
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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Iron Ore Tailings: Characterization and Applications
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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Barriers of Sustainable Mining Waste Management Practices
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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Metalliferous Mine Dust: Human Health Impacts …
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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Environmental Impact of Iron
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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A spatial evaluation of historic iron mining impacts on …
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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The Social Impact of the Steel Industry in Belgium, China, …
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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Iron Ore Industry and Environmental Pollution
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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GEO ENVIRONMENTAL IMPACT & ITS MANAGEMENT …
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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Enhancing the properties of UHPC with recycled concrete powder and iron
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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A short review on environmental impacts and application of iron ore …
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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Emission characteristics and control technology of heavy …
The municipal solid waste incineration fly ash (MSWI-FA) contains a large amount of heavy metals, and the process of iron ore sintering and treating fly ash needs to pay attention to the migration characteristics of heavy metals. The impact of the application of MSWI-FA in the sintering process on the emission law of heavy metals in the collaborative treatment process …
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Environmental Impact Assessment of Iron Ore Mine in …
Iron Ore reserve at this mine varies from powdery high grade ore of FE content 59% - 60% to low-grade siliceous magnetite having FE contents of 30% - 55%. The Low grade Iron Ore is transported by Tipper trucks to the beneficiation plant of M/s Dempo Mining Co. situated at Surla, Bicholim which is about 15 kms from mine.
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