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Seepage field characteristic and stability analysis of tailings dam
Mura, J. C. et al. Monitoring the vulnerability of the dam and dikes in germano iron mining area after the collapse of the tailings Dam of Fundão (Mariana-MG, Brazil) Using DInSAR Techniques with ...
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Buildings | Free Full-Text | Mechanical Properties and
In order to study the feasibility and sand substitution mechanism of cement mortar mixed with iron ore tailings (IOT), iron ore tailings cement mortars (referred to as IOTC) with IOT content of 0%, 25%, and 50% were made and tested. First, the basic properties of IOT used were measured to verify the theoretical feasibility. Second, the …
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USGS Mineral Resources On-Line Spatial Data
Symbols indicating mining-related features digitized from historical USGS topographic maps in the conterminous US. Includes prospect pits, mine shafts and adits, quarries, open-pit mines, tailings piles and ponds, gravel and borrow pits, and other features. Work is progressing from west to east. Download + details
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Utilisation of iron ore tailings as aggregates in concrete
For the normal concrete, conventional materials such as sand, cement and granite aggregates were used. For the tailings concrete being studied, iron ore tailings were used together with the cement to ... Chemical composition of iron ore mine tailings Source: Kuranchie et al. (2014a). Constituents Amount (%) CaO 0.03 SiO 2 57.31 Al 2 O 3 9.58 …
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Mine Waste-Based Next Generation Bricks: A Case Study of Iron
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 …
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Application of mine tailings sand as construction material
The incorporation of 20% mine tailings resulted in 16% increase for 28 days mechanical performance while 10% mine tailings led to a 20% reduction in total voids in cement mortar.
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Efficient tailings treatment
Efficient tailings treatment with a smaller footprint. Tailings treatment continues to be one of the fastest growing challenges in the mining sector. Ultimately, all the issues attached to it – environmental risks, space constraints, and water scarcity – need to be managed as cost-effectively as possible, as the result is a waste product ...
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Ore-sand: A circular economy solution to reduce mineral wastes …
At the same time, changes in mining, environmental and waste policy mean large volumes of mine tailings now need to be treated differently in many places in the world. The rising value of sand and the costs of storing mining residues may give new impetus to a circular economy synergy with a strong contribution to sustainable …
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Use of iron mine tailing as fillers to polyethylene
The accumulation of iron mine tailing is an environmental problem that has been much discussed in academia since the 1970s, mainly due to the high amount …
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Vale produces sand from iron ore tailings
Vale has produced around 250,000 tons of sand from its iron ore tailings at its Brucutu Mine in Minas Gerais, which will be sold or donated to be used in concrete, mortar, cement, and road pavement. The company has spent seven years and about 50 million Brazilian reais (US$8.8 million) in investment and research for the process.
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(PDF) Iron Ore Tailings as Partial Replacement for Fine …
Iron ore tailings (IOT) are one of the mining wastes obtained from the beneficiation process of iron ore concentrates. This paper presents an overview of the work carried out on the use of IOT as ...
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(PDF) 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 …
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Efficient tailings treatment
Whether your mining operation involves the treatment of coal, sand and aggregate, iron ore, gold ore, or copper tailings, we have the in-depth process knowledge and a range …
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Tailings Management at NRCan
Tailings Management is a fundamental component in the design and operation of mining projects in Canada. Potential environmental and socio-economic considerations need to be balanced to ensure disposal and storage of tailings occurs in a sustainable and responsible manner. Natural Resources Canada (NRCan) has a mandate to promote the ...
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The Reprocessing and Revalorization of Critical Minerals in Mine Tailings
Mine tailings, the byproduct of mining and mineral processing, are increasingly mass produced as a result of increased demand for metals and minerals as well as the advancement in technology that allows for the exploitation of lower-grade ores. Lower grades can increase the volume of tailings that may contain new gangue minerals that …
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Sand Mining & Gravel Dredging Equipment
Mining Dredges. Utilizing dredges is a practical means for extracting sand, gravel, Frac Sand, Iron Ore or Coal Fine Tailings, and other minerals. No matter how extreme your mining project is Ellicott® has a dredge that is specifically designed to meet requirements. Mining with a dredge is the most efficient way to obtain materials ...
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iron sand mining tailings line
iron sand mining tailings line Description: Available crusher types: jaw, impact, hammer, cone. Slurry pipeline - Wikipedia. A slurry pipeline is a specially engineered pipeline used to move ores, such as coal or iron, or mining waste, called tailings, over long distances. A mixture of the ore concentrate and water, called slurry, is pumped to ...
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Recycling Mine Tailings for a Sustainable Future Built Environment
The mine tailings being the wastes from rocks and minerals processing, are generally rich in Si, Ca, Al, Mg, and Fe, and also have considerable amounts of heavy metals and metalloids such as Pb ...
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Gold Mine Tailings: A Potential Source of Silica Sand for Glass …
A representative sample of gold mine wastes of sandy grain size was used in making the glass. Based on composition, the glass was formulated by adding an average 10.0 mass% of CaCO3 and 5.0 mass ...
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Gold Mine Tailings: A Potential Source of Silica Sand …
With quartz as the dominating mineral, the silica sand from the MT could be considered for manufacture of container glass, flat plate glass, specialty glass, and fiberglass on account of its luster, colour, and …
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Utilization of Iron Tailings Sand as an Environmentally Friendly
This study presents the shrinkage characterization and shrinkage-reducing efficiency of three different methods on iron tailings, sand concrete and river sand …
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Utilization of tailings in cement and concrete: A review
were all lead-zinc tailings or iron or e tailings, the variation content of SiO 2 is 15.50-69 .9 2 in the lead-zinc tailings or 24.19- 75 .23 in the iron ore tailings.
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(PDF) Ore-sand: A potential new solution to the mine tailings and
SCHEMATIC OF IRON ORE PRODUCTION AND ORE-SAND RECOVERY AT BRUCUTU. Note: simplified, based on the information provided by Vale. Black coloured arrows represent iron ore flows, yellow -by-product ...
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Frontiers | Comprehensive analysis of the stability of tailings
The application of tailings-geotextile composites can effectively reduce tailings dam safety accidents. In this paper, the tailings dam of the Gushan Iron Mine is the research background. The construction of tailings-geotextile composites was briefly studied. Based on the existing experimental data, the permeability and physical …
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Study on the Effect of Flocculation and Sedimentation on the
The tailings of Chengchao iron ore belong to low calcium, magnesium, aluminum, and silicon type, and the SiO 2 content of tailings is 37.73%, which is very different from the SiO 2 content of yellow sand commonly used in building materials.
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Geotechnical Properties of Mine Tailings | Journal of Materials in
The concentrations of the produced coarse iron and fine iron tailings from the Yuhezhai iron mine were about 65–70 and 70 wt%, respectively, and the concentrations of the coarse copper and fine copper tailings from the Bahuerachi copper mine were about 72 and 60 wt%. ... and the coarse oil sand tailings from Wong et al. show a C c of …
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Tailings Re-processing Line
Iron Tailings: The iron tailings discharge from iron ore plant is in large amount, fine size and different types, and complex property, so Xinhai use the process of magnetic separation, flotation, acid leaching and …
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(PDF) Iron Ore Tailings: Characterization and Applications
Keywords: iron ore tailings, mining waste, iron oxide, technological application. 1. ... goods such as sand and gravel, which can eventually be . characterized as unfair competition. 5. Conclusions
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Sustainable use of mine waste and tailings with suitable …
not be suitable for pavements. On the other hand, iron ore waste will have better strength, which can be used for pavements and it is also available in large quantity. 3.1 . Iron ore waste and tailings . Iron is the world's most commonly used metal -steel, for which iron ore is the raw material,
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Mining and Tailings Dam Detection in Satellite Imagery Using …
Metal mining uses a huge amount of water in the crushing and ore separation process and leaves behind residual rocks that have been reduced to the consistency of gravel or sand, called tailings. Tailings are a mixture of particles suspended in liquid, usually toxic and potentially radioactive, and can be deposited in large ponds.
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