Copper tailings filtration: Influence of filter cake desaturation

Thereby, an improved understanding of copper tailings behavior results which simplifies filtration plant operation. Copper tailings are used because they hold an outstanding position in the discussion about tailings, as they are responsible for nearly half of the global volume of tailings (Baker et al., 2020).

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A review on complex utilization of mine tailings: Recovery of rare

The process flow diagram depicts the sequence of operations to recover gold and iron from cyanide tailings, with the direct reduction roasting conducted at 1200°C [64]. ... Copper tailings from Chile's Atacama region contained 579.8 ppm total REEs, ...

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CHAPTER II

tailings are most commonly stored on site in a tailings storage facility. Storage methods for conventional tailings include cross-valley and paddock (ring-dyke) impoundments, where the …

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Mine tailings: reprocess, recover & recycle

We can therefore assume that hundreds of billions of tonnes of copper tailings are currently sitting in TSFs across the globe. ... 90% of water from mine tailings and, if a mining company is going to make that investment anyway to secure its future operations, then frankly, it is irresponsible not to consider reprocessing the tailings that ...

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Recycling and Reuse of Mine Tailings | Encyclopedia …

The mine may continue to generate AMD for decades even after it ceases its operation. It is a huge source of concern due to its high environmental impact . Still, in the processing stage, roasting is applied in sulfides to extract …

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Potential of copper tailings as supplementary siliceous materials …

Copper mining is one of the most important industries worldwide and generates a large quantity of copper tailings (CT) through processes such as crushing, processing and screening [24, 25].It is reported that the output of CT in China exceeded 334 million tons in 2021 [26].Although some CT has been disposed of through backfilling, a significant amount remains …

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(PDF) Past, Present, and Future of Copper Mine Tailings

This article reviews the evolution of copper tailings management and governance in Chile, current practices, and changes that could be or may need to be made to improve practices in response to ...

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The Copper Mark Interim Guidance on Tailings Management

It is imperative for the copper industry to ensure that tailings are managed with the ultimate goal of causing zero harm to people and the environment. Global Industry Standard on Tailings …

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The Copper Mark Guidance on Tailings Management

document. The Copper Mark recognizes that its participants need to identify the most appropriate method of tailings construction to ensure the safe and sustainable operation of a facility. The …

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Decarbonisation to drive dramatic increase in mining …

Minera Valle Central in Chile is a successful medium-size operation that extracted 140 kt of copper from tailings between 2018 and 2022, contributing 0.133% of copper to global production. (Re)processing of tailings and waste rock can happen at operational mine sites or at legacy and abandoned sites being evaluated as potential business ...

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TENORM: Copper Mining and Production Wastes

Copper heap leach operations are much smaller than copper dump leaches. On the average, heaps contain between 100,000 and 500,000 metric tons of ore. ... The slag tailings from these operations are co-managed at on-site tailings piles with the tailings from ore beneficiation. Slag tailings ponds range from 142 to 2,270 hectares, with an average ...

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Recycling and Reuse of Mine Tailings: A Review of …

of tailings sources were identified, such as lead, zinc, copper from overload, rock wa ste, processing tailings, metallu rgical slag, and w ater treatment residuals, among others . It

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Selective Process Route to Recover Magnetite from Chalcopyrite …

Copper mine operations consistently generate a large quantity of tailings after their concentration processing. These tailings are either piled up or stored in a dam, where both alternatives of disposal lead to environmental impacts. The dam copper tailings have a huge potential for by-product production thus improving sustainability and profitability in industrial operations. This …

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Mine Tailings: The Cornerstone of Safe Mining Operations

Mine Tailings: The Cornerstone of Safe Mining Operations In the mining industry, where precious minerals and resources are extracted from the depths of the earth, a significant byproduct arises - mine tailings. These tailings demand rigorous management strategies to safeguard the environment, surrounding communities, and the long-term

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Turning the Tide on Tailings: Creating Opportunities Rather

Every operation and organization is unique, and it would be unrealistic and impractical to expect that all tailings will be eliminated or repurposed, certainly in the foreseeable future, anyway. According to the Global Tailings Review, in 2020, there were approximately 8,500 active, inactive and closed tailings storage facilities (TSFs ...

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(PDF) Tailings From Mining Activities, Impact on

As a consequence of the operation and raising procedures of tailings dams, the conditions in the tailings dams could be considered to be dynamic in a longer perspective.

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Global Industry Standard on Tailings Management

Operations Our Operations and Projects. Teck is a leading Canadian resource company committed to responsible mining and mineral development, with world-class copper and zinc operations and an industry-leading copper growth portfolio. Go to Operations /

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The Copper Mark Interim Guidance on Tailings Management

published by the chair of the Global Tailings Review, copper accounts for 46% of the world's tailings (2016). The same paper maintains that to obtain 20.1mio tons of copper, 14'913mio tons of rock are extracted from the ground. With declining ore …

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New approaches for extracting and recovering metals from mine …

The most effective extraction of copper (84 to >90%) was achieved by bioleaching the tailings at 45 °C, using a defined microbial consortium, where elemental sulfur was added …

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Keeping Up with Demand: Copper Tailing …

As the world faces a critical supply deficit in copper, the need to recover valuable metallic copper from mine tailings is becoming more apparent to researchers, mining companies, and governments. Moreover, the …

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Mantos Blancos Mine | Capstone Copper Operations in Chile

Our operations. Mantos Blancos. Mantos Blancos is an open-pit mine located in the Antofagasta region of Chile, within a one-hour drive of port facilities at Antofagasta and Mejillones, and the Glencore-owned Altonorte copper smelter. There is no on-site accommodation as all staff live off-site, mainly in the city of Antofagasta.

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Guidelines on Tailings Dams: Planning, Design, Construction, Operation

Resolution Copper Project and Land Exchange Environmental Impact Statement ... Construction, Operation and Closure. Download PDF. Date Published: May 2012. Authors: Australian National Committee on Large Dams. These Guidelines are primarily directed at providing advice on the above ground storage of tailings but many of the principles apply to ...

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Mine Tailings: The Cornerstone of Safe Mining …

In mining, tailings refer to the residual waste material that remains after the desired minerals have been separated from the ore during the mining process. These typically consist of finely ground rock particles, water, and …

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Environmental Impact Assessment of Mine Tailings Spill …

The generation of tailings in the world today is immense, since only ounces or pounds of metals are extracted for each ton of ore processed. In 2022, it was estimated that more than 14 billion metric tons of mining tailings were produced per year in the world. Currently, many environmental problems associated with tailings management in both Chile and Peru are …

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Considering hydrocyclone operation for tailings dewatering …

The aim of this study was to improve the knowledge regarding to the use of dewatering cyclone in copper concentration plant. In this operation, the tailings are initially sent to thickener and then mixed with cement-water mixture prior to its use in the underground mining.

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DRDGOLD to determine economic viability of copper recovery from Copper

Copper 360 estimates that there are about 50-million to 60-million tonnes of dump material with grades varying between 0.18% and 1.5% copper in the dumps, with the potential to contain 450 000 t ...

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Tailings

Given the unique and challenging site-specific topographical, hydrological and geotechnical conditions at PT-FI, the controlled riverine tailings management system remains the best approach when considering the volume of tailings …

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Bioleaching of heavy metals from metal tailings utilizing bacteria …

The mine in Spain produces about 1.5 million tons of tailings every year, which contains about 0.72% of copper, equivalent to about 10.8 kilotonnes of copper dumped in tailings ponds every year and not used reasonably (Johnson, 2018). In addition, in Chile, 1.6 million tons of tailings are produced every day.

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Compositional properties and geotechnical behavior of mining tailings

What are mining tailings' main chemical, mineralogical, physical, and geotechnical properties, and what potential applications can be assessed based on these properties? To address this question, this literature review focused on these properties as observed in a wide range of tailings. It was identified that these materials are predominantly sandy silts composed …

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Metalkol RTR

In 2021, Metalkol achieved its design capacity for cobalt production and exceeded budget production for both its products, producing 20 718 tonnes of cobalt and 94 807 tonnes of copper. Unlike conventional mining operations which extract …

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