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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Shows that the low-grade fresh tailing is a valuable resource for reprocessing copper and molybdenum by flotation method. Increases the flotation quality by a combination of two …
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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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Tailings dams, which are storage structures for tailings, often are constructed using the tailings itself. A large number of tailings dam failures have been reported recently, especially due to static liquefaction, and can be attributed to a lack of knowledge of the geotechnical principles to be used and the lack of characterization of tailings as they continuously are …
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The project comprises the reprocessing of old cobalt and copper tailings from previous mining operations around Kolwezi, in the DRC. At full capacity, the Metalkol facility will supply more than 120 000 t/y of copper cathode and 24 000 t/y of cobalt to the global market.
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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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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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Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain. Mine tailings, consisting of process effluents that are generated in a …
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Analyzing copper tailings effectively is essential to maintain operational efficiency and meet environmental standards. Understanding the right techniques can help you stay …
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Effective management of copper mine tailings is essential for mining operations to ensure regulatory compliance and minimize environmental impact. To achieve this, various tailings management services are employed, including dewatering, thickening, and filtration …
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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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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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Tailings Working Group and reports directly to the Vice President, Environment and advises other executives on emerging issues or governance concerns, per the Global Industry Standard on Tailings Management (GISTM). GRI Indicators: 306-103, 307-103, G4-DMA (Mining and Metals Sector Disclosures) Highland Valley Copper Operations, Canada. 2015.
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Mining is an important industry, accounting for 6.9% of global GDP. However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments. It reached 7 billion tonnes of mine tailings generated yearly worldwide, and 19 billion solid tailings will be accumulated by 2025. Adding to this, the …
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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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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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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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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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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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Waste management issue in mining industry has become increasingly important. In this regard, construction of tailings dams plays a major role. Most of the tailings dams require some kinds of remedial actions during their operational lifetime, among which heightening is the most common. In the first stage of the remedial provisions for Sarcheshmeh Copper Complex …
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Globally there is an upward trend by mining operations to opt for tailings dewatering technologies to reduce water consumption, minimise surface disturbance (footprint), increase the stability of tailings deposits and, overall, to operate ... Table 2 Particle size distribution for copper tailings projects in microns Project number SG pH -20 µm ...
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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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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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A two-stage mineral bioleaching and metal recovery protocol was developed to extract copper from tailings generated as waste materials were proposed by Falagán et al. (2017), and copper recovery more than 84% was achieved at 45 °C using a defined microbial consortium.
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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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When bioleached aerobically at 30 °C, ∼35% of the copper was extracted from CLC tailings during the first two weeks, but after that time copper concentrations decreased alongside those of soluble iron (Fig. 2 a), and the final copper concentration in the leach liquor was equivalent to 32% extraction from the tailings.
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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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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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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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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 Copper Mark notes that the Global Tailings Review1 explicitly excluded riverine, deep sea and non-tailings related storage systems from the scope of its ...
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Ero Copper uses sustainable, best-in-class management practices at our one operating and three non-operating tailings facilities at the Caraíba Operations and three operating tailings facilities …
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Waste from primary mining operations, especially mine tailings, receive much attention as potential secondary resources that can transform liabilities into resources. ... (< 0.5%-wt in copper tailings), other researchers encourage leaching or other separation techniques to maximize metal recoveries (X. Li et al., 2020; Mäkinen et al., 2020 ...
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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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Furthermore, the chemical constituents of copper mine tailings may consist of remaining copper and many other metals, alongside chemical agents utilized in the extraction of ore. The presence of heavy metals, including copper, lead, zinc, arsenic, cadmium, and other elements, is a significant problem associated with copper mining tailings [ 22 ].
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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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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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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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However, a significant amount of copper is lost into tailings during the processing; therefore, tailings can be considered secondary resources or future deposits of copper.
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