Mineralogy and Geochemistry of Iron Tailings from Yeshan …
In this work, twenty-one core samples of tailings wastes were collected from Yeshan iron tailings pond in Jiangsu Province, China. The mineralogical-chemical properties of Yeshan iron ore tailings (IOTs) were investigated to explore potential utilization. Mineralogical investigations and mineral lib …
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A Review on Remediation of Iron Ore Mine Tailings via …
Mining operations degrade natural ecosystems by generating a large quantity of mine tailings. Mine tailings remain in dams/open ponds without further treatment after valuable metals such as iron ore have been extracted. Therefore, rehabilitation of tailings to mitigate the negative environmental impacts is of the utmost necessity. This review …
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Research on Beneficiation and Reprocessing of Gold Tailings
Tailings reprocessing is gaining more and more traction both for economic and environmental reasons. Here are some example include: DRD Gold, one of the first South African companies to abandon traditional mining to focus on extracting gold from tailings. New technology allows it to recover up to 40% of the gold left in particle form …
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Research Progress on Comprehensive Recovery and …
The contradiction between supply and demand of gold resources in China has always existed, and the proportion of recovery gold in the gold total supply is increasing yearly. Many gold-bearing tailings are produced in the mining, dressing and smelting process of gold-bearing minerals, and they contain gold, silver and other valuable …
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Socio-Environmental Risks Linked with Mine Tailings …
1.1. What Are Mine Tailings? An Initial Scope in an Uncertainty and Complex World. The initial step in mineral processing involves crushing and grinding ore to produce a suitable particle size for further metallurgical processing using physical and chemical separation methods [].Physical separation processes take advantage of the …
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Hydrogeochemical arsenic simulation of V-Ti-Fe tailings …
DOI: 10.1016/j.oreoa.2024.100053 Corpus ID: 269693825; Hydrogeochemical arsenic simulation of V-Ti-Fe tailings pond ecosystem: A case study from Panxi region, China @article{Jiang2024HydrogeochemicalAS, title={Hydrogeochemical arsenic simulation of V-Ti-Fe tailings pond ecosystem: A case study from Panxi region, China}, author={Feng …
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Mining tailings and alkali activation: a comprehensive …
Significant amounts of mining tailings are generated and disposed of every year in dams, leading to potentially serious environmental and safety problems. To identify alternatives for the disposal of these wastes, research works involving their potential application as precursors in the development of alkaline-activated materials have been …
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Finding New Life for Tailings: Sustainable Technology for Co, …
Recycling mine tailings can help reduce the volume of tailings for disposal, mitigate water contamination, and generate new revenue streams such as valuable …
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Remote Sensing | Free Full-Text | Detection of Tailings Dams …
The timely and accurate mapping and monitoring of mine tailings dams is crucial to the improvement of management practices by decision makers and to the prevention of disasters caused by failures of these dams. Due to the complex topography, varying geomorphological characteristics, and the diversity of ore types and mining …
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A critical review on metallurgical recovery of iron from iron ore tailings
Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, …
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A review of circular economy strategies for mine tailings
1. Introduction. Metals are essential in the transition to the green technologies e.g. in low emission electric vehicles and in energy storage systems (Upadhyay et al., 2021).At the same time with the positive contribution to the society, mining also produces significant amounts of solid waste (Edraki et al., 2014) belonging with …
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From Tailings to Treasure? A New Mother Lode
New technology allows it to recover up to 40% of the gold left in particle form in tailings. DRD Gold extracted 33,600 ounces of gold, worth nearly US$40 million, in the last quarter of 2013. Mintails, a mine tailings processor, has developed new technology to process 350,000 tons of slimes from its extensive tailings resources.
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Molybdenum ore spill is China's biggest tailings leak in …
A spillage of waste molybdenum ore in northeast China last month was the biggest tailings leak the country witnessed in almost 20 years and needed the toughest environmental emergency response ...
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Take two: why mine tailings are worth another look
On November 7, 2023, the US Geological Survey issued a press release announcing that it would invest US$2 million of Bipartisan funding with 14 states to study …
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New Tailings Reprocessing Technology Has Environmental …
Mine sites typically manage tailings by constructing ponds secured by dams. However, some mining companies are figuring out ways to turn tailings to profits with …
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Spatial distribution characteristics, risk assessment and …
1. Introduction. The tailings ponds (TPS) are mine facilities that store solid waste such as tailings (Kossoff et al., 2014; Tang et al., 2020).TPS has the characteristics of high potential energy and pollution, which make it one of the most important public hazards (Wang et al., 2022b; Xie et al., 2009).Since 1915, 257 tailings pond accidents …
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Enhanced recovery of low-grade copper ore and associated …
Reviews of the Process Mineralogy Characteristics and Comprehensive Utilization Technology of Iron Ore Tailings in China. Conserv. Util. Miner. Resour., 42 (No.3) (2022), p. 169. View in Scopus Google Scholar [6] ... New insights for improving low-rank coal flotation performance via emulsified waste fried oil collector. Fuel, 357 (2024 ...
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Vibrating Screen for Tailings, Ore Dewatering Machine
Min. Order FOB Price; 1 Piece: US$2,000.00-20,000.00: Port: Qingdao, China: Production Capacity: 500pieces/Month: Contact Now Inquiry Basket
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Digital tools for tailings monitoring
Other companies already using satellite tech for tailings monitoring include DAMSAT, which uses a combination of InSAR and Global Navigation Satellite System to monitor dam movement, as well as leakage and pollution indicators. The tech was successfully tested at tailings dams at Cajamarca, northern Peru and at Pasco in …
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A new approach for recovering iron from iron ore tailings …
Iron ore tailings, which are important secondary resources, have outstanding latent application value in iron recovery. In this study, a pilot-scale experiment on the iron recovery from iron ore tailings was investigated using innovative technology of pre-concentration and suspension magnetization roasting (SMR), followed by magnetic …
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Good Tailings Management No Longer Optional
Tailings Management in Mexico. The Mexico: Mining Laws and Regulations 2021, NOM-141-SEMARNAT-2003 establishes the specifications and …
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LIFE CYCLE ASSESSMENT OF INTEGRATED EXPLOITATION TECHNOLOGY …
Semantic Scholar extracted view of "LIFE CYCLE ASSESSMENT OF INTEGRATED EXPLOITATION TECHNOLOGY FOR TAILINGS IN BAYAN OBO MINE, CHINA" by L. Wang et al.
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Time to talk about tailings dams
The world saw the potentially devasating effects of unsafe tailings dams during the Vale disaster. ... "Without major changes to law, regulation, and to industry practices, as well as without new technology that substantially reduces risk and increases loss control, our current prediction is for 19 very serious failures between 2018 and 2027 ...
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Brazil's Vale creates company to sell sand from iron ore tailings
RIO DE JANEIRO, Oct 17 (Reuters) - Brazilian miner Vale, opens new tab said on Tuesday it has created a company that will sell and distribute sand obtained from its iron ore tailings, part of its ...
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Wgts-1236 High Frequency Ore Tailings Dewatering Screen
Wgts-1236 High Frequency Ore Tailings Dewatering Screen, Find Details and Price about Screen Dehydration Screen from Wgts-1236 High Frequency Ore Tailings Dewatering Screen - Tangshan Dacheng Machinery Manufacturing Co., Ltd. ... Tianjin, China: Production Capacity: 500/Y: Payment Terms: L/C, T/T, D/P, Western Union, Paypal, …
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Recovery of Rare Earths, Niobium, and Thorium from the Tailings …
The recovery of rare earths, niobium, and thorium from Bayan Obo's tailings has been investigated because the Bayan Obo ore is rich in rare earths and rich in niobium and thorium, but it is mined mainly as an iron ore and will be used up soon. By carbochlorination between 823 K (550 °C) and 873 K (600 °C) for 2 hours, 76 to 93 pct …
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Moriah ore tailings pile could be rare earths source
The tailings pile in Moriah's Mineville hamlet towers over the community and contains the waste from the iron ore extraction process. The mines, now owned by Solvay-North America, a French ...
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From Tailings to Treasure? A New Mother Lode
Mintails, a mine tailings processor, has developed new technology to process 350,000 tons of slimes from its extensive tailings resources. It expects to …
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(PDF) A Review on New Technological Progress for Beneficiation of
PR is a direct, economical, and lasting source of P, and there are abundant reserves of P minerals around the world. In 2015, the world's P reserves reached 49.75 billion tons, with China ranking ...
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Global-scale impact analysis of mine tailings dam failures: …
The other 7 nations that part of the top 10 list in terms of large impact values include Canada, Peru, China, South Africa, Mexico, Bolivia, and Chile. ... The average release value of tailings from 59 incidents was ~ 145,00 m 3 /tonne of crude ore. Tailings releases from gold, copper, and lead mines were the primary contributors per tonne of ...
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