the utilization of mine tailings


Utilization of mine tailings as road base material ...

In this paper, a preliminary study is performed on utilization of copper mine tailings as road base material through geopolymerization. The mine tailings studied is from a copper mine in Arizona, USA and contains mainly silica, alumina and calcium.

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Use of tailings - Samarco

Use of tailings. Since 2005, Samarco has been studying options for recycling the tailings resulting from the beneficiation of iron ore. This aspect of mine waste management is one of the pillars of Samarco´s ongoing strategy to resume its operations.

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Towards safer, more sustainable handling of mine tailings ...

Towards safer, more sustainable handling of mine tailings. Our industry analysis tells us that the practice of dewatering tailings is still limited to few areas globally. Only ~5% of tailings generated in 2018 were dewatered into thickened, paste, or dry tailing.

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Mine tailings dams: Characteristics, failure ...

Tailings are mixtures of crushed rock and processing fluids from mills, washeries or concentrators that remain after the extraction of economic metals, minerals, mineral fuels or coal from the mine resource (e.g., Fig. 1a; Hudson-Edwards et al., 2001, Younger and Wolkersdorfer, 2004, Lottermoser, 2007).The word 'tailings' is generic as it describes the by-product of several extractive ...

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Technical Report: Design and Evaluation of Tailings Dams ...

Design and Evaluation of Tailings Dams 2 More recently, concerns have been raised about the stability and environmental performance of tailings dams and impoundments. Stability concerns are raised in part by the use of tailings material in tailings dams/embankments; to mitigate these concerns, such embankments often rely on a certain amount of

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THE FUTURE OF MINING TAILINGS MANAGEMENT - YouTube

Sep 21, 2017· Water Management is becoming a priority in Mining applications Recent disasters from all over the world clearly demonstrate the dangers of traditional mining water management. Tailings dam ...

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How to handle mine tailings safely and sustainably ...

Jul 19, 2019· How to handle mine tailings safely and sustainably? ... responsible water use is the primary driver of the growing interest in tailings dewatering – especially in …

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(PDF) Utilization of mine tailings as road base material ...

The mine tailings studied is from a copper mine in Arizona, USA and contains mainly silica, alumina and calcium. Sodium hydroxide (NaOH) solution is used as the alkaline geopolymerization agent.

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Stabilization of sulphidic mine tailings for prevention of ...

The demonstrated effective utilization of industrial by-products (fly ash, slag, cement kiln dust, etc.) in the preparation of modified cementitious materials for stabilization of sulphidic mining waste reinforces further interest in this area, not only to cope with acid mine drainage, but also to utilize abundant discarded industrial by ...

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(PDF) Filtered Dry Stacked Tailings-The Fundamentals

Mine tailings are often stored underwater behind earthen dams; this is effective in the short term, but failure of these structures typically causes significant environmental damage. Dry stacking ...

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Utilizing Mine Tailings as Substitute Construction ...

copper mine tailings were utilized in producing eco-friendly bricks based on the geopolymerization technology, and the results showed that copper mine tailings could be used to produced ecofriendly mine tailings- -based geopolymer bricks since the requirements of American Society for Testing and Materials (ASTM) were satisfied.

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Mine Tailings - groundtruthtrekking.org

Mine tailings are the ore waste of mines, and are typically a mud-like material. Worldwide, the storage and handling of tailings is a major environmental issue. Many tailings are toxic and must be kept perpetualy isolated from the environment. Scale of tailings production is immense, since metal extraction is usually only ounces or pounds, for ...

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Tailings & Mine Waste 2016 - engr.colostate.edu

The Shear Strength of Filtered Tailings and Waste Rock Blends Toward the Sensible Use of Tailings Filtering Technology. 1B - Geochemistry 1 Bench-Scale Nitrate and Sulphate Biochemical Reactor Case Study, Amulsar Amine, Armenia Geochemical Behavior of Different Waste Rock Configurations from the Lac Tio Mine. . . Passive As & Mn Removal in ...

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Utilisation of iron ore mine tailings for the production ...

Dec 05, 2014· 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 reduction is accomplished by avoiding the …

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Carbon Capture, Utilization and Storage in Mine Tailings ...

The project also will test CO2 delivery and tailings management practices that have proved successful in benchtop-scale experiments at a larger scale at field demonstrations at two Canadian mine sites. The field trials will be the first on-site testing of accelerated CCUS pilots in hard-rock mine tailings globally. Expected Results

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Resolution Copper mine tailings storage facility overview ...

Mar 14, 2018· Resolution Copper will use cutting edge technology for a state of the art modern mine that will be operated responsibly according to our commitment to sustainable development and environmental ...

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Utilization of aluminum sludge (AS) to enhance mine ...

This paper investigates the feasibility of using aluminum sludge (AS) to enhance copper mine tailings (MT)-based geopolymer. The Si/Al and Na/Al molar ratios were adjusted by adding AS into the high silica content MT and using different amounts of NaOH.

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Phytostabilization of Mine Tailings in Arid and Semiarid ...

Mine tailings disposal sites from either inactive or abandoned mine sites are prevalent in arid and semiarid regions throughout the world. Major areas include northern Mexico and the Western United States, the Pacific coast of South America (Chile and Peru), southwestern Spain, western India, South Africa, and Australia (Munshower 1994; Tordoff et al. 2000).

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Tailings.info Hydraulic Mining of Tailings

Figure 2: Simplified diagram showing the hydraulic re-mining of tailings. It can be noted that the use of hydraulic mining for tailings can be to either reprocess the waste, mine the waste as a product, or for moving of the tailings to a more suitable location.

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Mine Tailings - Resolution Copper

We've created a visualization of what mine tailings (waste rock) storage will look like in the future when the mine becomes operational. Reclamation and remediation of the stored tailings will be an ongoing process throughout the mining cycle in order to mitigate environmental impacts. Resolution Copper will use cutting-edge technology for a state of the art …

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Tailings - Wikipedia

Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue, slickens, or terra-cone (terrikon), are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.Tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining ...

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Environmental impact of mining - Wikipedia

Erosion. Erosion of exposed hillsides, mine dumps, tailings dams and resultant siltation of drainages, creeks and rivers can significantly impact the surrounding areas, a prime example being the giant Ok Tedi Mine in Papua New Guinea.In wilderness areas mining may cause destruction and disturbance of ecosystems and habitats, and in areas of farming it may disturb or destroy productive grazing ...

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Utilization of Bergama Gold Tailings as an Additive in the ...

The comprehensive utilization of gold mine tailings includes two aspects. First, recycling, the tailings are selected as a secondary resource to realize comprehensive recovery of useful minerals. Second tailings are to be used tailings directly as non-metallic mineral. Based on the actual situation, mine …

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Solutions for Surface Disposal of Mine Tailings | SpringerLink

The technologies of dry stacking and cemented tailings paste are developed to partly replace the traditional treatment, which stores tailings in impoundments. The technological processes for these two technologies are introduced, respectively. Some case applications of dry stacking and paste tailings disposal are also presented.

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Edumine - Professional Development and Training for Mining

Edumine provides online courses, short courses and live webcasts in support of professional development and training for the mining industry.

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Environmental Risks From Mine Tailings - ThoughtCo

When rain falls on tailings, it leaches away materials that can create water pollution, for example, lead, arsenic, and mercury. Sulfuric acid is sometimes produced when water interacts with tailings, or it can be a by-product of ore processing. As a result, highly acidic water leaks from the tailings and disrupts aquatic life downstream ...

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Investigation Of The Use Of Mine Tailings For Unpaved Road ...

Investigation of the Use of Mine Tailings for Unpaved Road Base Construction 109 sludge before it is processed in the thickener. These flocs presented uniform apparent grain-size distribution larger than or similar to coarse silt. The authors concluded that the beaches formed with

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Utilizing Mine Tailings as Substitute Construction ...

Mine tailings (MT) have been used in previous studies as substitute construction material to recycle waste products, especially in hollow blocks and bricks production and as masonry mortar. This study investigated the use of Philex copper-gold mine tailings (PCGMT) in roller compacted concrete (RCC) production, a mining waste material consisting of finely grinded siliceous particles was ...

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