copper tailings reprocessing
Toward sustainable reprocessing and valorization of sulfidic copper …
Sulfidic copper tailings in the EU were selected as a case study. We perform prospective life cycle assessments of future reprocessing scenarios by considering emerging resource recovery technologies, market supply & demand forecasts, and energy system changes. ... The environmental performance of reprocessing of tailings is influenced by ...
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Take two: why mine tailings are worth another look
Codelco and Sibanye Stillwater are also reprocessing their tailings with high commodity grades to extract residual metals, including copper and platinum. And, in May 2023, Sibanye acquired New Century Resources whose innovative tailings recovery-based business model I covered in this Intelligent Miner article .
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Historical assessment of metal recovery potential from …
The purpose of this work is performing such assessments for old porphyry copper tailings from Chile in a reprocessing scenario by flotation, only based on specially developed theoretical concepts and available historical operation data as an economically efficient first step of a reprocessing or even remediation initiative. 2. Assessment …
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(PDF) Recovery of Sulfur, Copper, and Gold by Reprocessing …
Recovery of Sulfur, Copper, and Gold by Reprocessing Old Flotation Tailings at Bor, Serbia. January 2024; Aspects in Mining & Mineral Science 12(2):1366 ... Serbia has copper deposits which have ...
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Copper tailings reprocessing
In a situation in which global copper de-mand is growing and copper prices are steadily increasing, reprocessing copper tailings is be-coming an increasingly logical decision …
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Critical Metals in Copper Mine Tailings
We are pleased to announce the launch of our Regents' Research Grant project Reprocessing Copper Mine Tailings: Critical Minerals Recovery from Past, Current and Future Copper Mine Tailings.. This interdisciplinary project will bring expertise and knowledge from 13 faculty and staff in all 3 Arizona public universities to look for ways to …
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How to reshape the future of tailings?
In gold, copper sulfide and iron ore tailings, there's potential to extract further minerals and mining companies are now figuring out ways to bring out valuable minerals and metals from tailings. ... A standard method of reprocessing involves dragging tailings from an existing dam back to the concentrator and using selected …
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The Reprocessing and Revalorization of Critical Minerals in Mine Tailings
Other methods of reprocessing tailings waste have proven useful for applications unrelated to critical minerals, such as the dense media separation and froth flotation practices of the Witwatersrand gold fields in South Africa. ... This shows that higher concentrations of copper mine tailings are correlated to higher strengths of concrete ...
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Old copper flotation tailings waste reprocessing
The beneficiation plant at this particular mine in Mexico produces a copper concentrate, however their flotation circuit only recovers around 75% of the gold; the rest is lost in the tailings [14 ...
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Keeping Up with Demand: Copper Tailing Reprocessing
Recovering Copper and Reprocessing Tailings. In recent years, the need for efficient recovery, recycling and reuse strategies for waste streams to address climate change, environmental damage, and supply deficits has become clear to researchers and governments. Several technological solutions have been developed, and governments …
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Prospective environmental assessment of reprocessing and …
The environmental impacts of reprocessing copper mine tailings were studied. • Process modeling and technology upscaling were performed for inventory …
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Copper tailings reprocessing
In a situation in which global copper de-mand is growing and copper prices are steadily increasing, reprocessing copper tailings is be-coming an increasingly logical decision [7, 8, 9]. In most of the copper tailings deposited in the last century, there is a sufficiently high content of valuable components so that the tailings can
ادامه مطلب(PDF) Investigation of flotation parameters for copper recovery …
This study is focused on the froth flotation reprocessing of a copper mineral from flotation tailings. The effects of flotation parameters including pulp density, collector dosage, frother dosage ...
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Potentially Exploitable Reprocessing Routes for Recovering …
Abstract This research aimed at recovering metals retained in the tailings from the flotation of copper (Cu) and cobalt (Co) ores conducted at the New …
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How to generate value from tailings with reprocessing to …
In gold, copper sulfide and iron ore tailings, the potential of extracting minerals is an opportunity. Reprocessing tailings to collect the valuable minerals can be a cost-effective approach ...
ادامه مطلبRecovery of cobalt and copper through reprocessing of tailings …
The present research aims at recovering copper and cobalt through reprocessing of tailings from flotation of oxidised ores of copper and cobalt achieved at the Kambove Concentrator (DRC).
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A review of circular economy strategies for mine tailings
In addition to the metals recovery from the tailings, also the mineral fraction in the tailings can be valuable. With reprocessing, the mine tailings can be modified to be utilized in high-value products. E.g. the recent article by Wong-Pinto et al. (2021) reports biosynthesis of copper nanoparticles from copper tailings. In addition, the ...
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Toward Sustainable Reprocessing and Valorization of Sulfidic Copper …
Sulfidic copper tailings in the EU were selected as a case study. We perform prospective life cycle assessments of future reprocessing scenarios by considering emerging resource recovery technologies, market supply & demand forecasts, and energy system changes. ... The environmental performance of reprocessing of tailings is …
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Processing Tests, Adjusted Cost Models and the Economies …
Standard cost models with capex and opex for flotation, leaching, and magnetic separation were adopted to the needs of tailings reprocessing. A copper tailing (around 2 M t) that also contains ...
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Copper tailings reprocessing
Abstract in English Copper is widely used in the modern world. An excellent conductor of electricity, it is used in the electrical industry, in the construction industry because of its good corrosion resistance, and in the manufacture of heat exchangers in heating and cooling systems owing to its excellent thermal conductivity. Copper …
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CHAPTER II
than 8 billion tonnes of tailings were produced from the extraction of metals and minerals (Figure 3). The largest volume of tailings, 46 per cent, is produced from copper mining (Figures 4 and 5). The precise number of active tailings storage facilities is currently unknown. Although incomplete, the Global
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From Tailings to Treasure? A New Mother Lode
Miners Make Money Reprocessing Tailings. ... Resources is investigating the technical viability of extracting an estimated million ounces of gold and 60,000 tons of copper left in the tailings at the old Mt. Morgan Mine site in central Queensland. Numerous other tailings projects are underway in Australia.
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Recovery of cobalt and copper through reprocessing of tailings …
In some cases, tailings may contain copper and cobalt to concentrations that can be economically recovered. The present research aims at recovering copper and cobalt through reprocessing of tailings from flotation of oxidised ores of copper and cobalt achieved at the Kambove Concentrator (DRC). It focuses on the determination of …
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Regionalized Life Cycle Inventories of Global Sulfidic Copper Tailings
Worldwide, an issue of copper production is the generation of mine waste with varying characteristics. This waste can pollute natural environments, and in particular, the heavy metal emissions of the tailings may pose long-term consequences. Currently, life cycle assessments of mine tailings are hampered by both limited data availability in the …
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Past, Present, and Future of Copper Mine Tailings …
Some copper mining companies are starting to recover copper by reprocessing tailings and are evaluating the reprocessing of other metals that currently may not have an economic value but may be attractive resources in the future [11,20]. Therefore, considering recent studies on old tailings storage facilities, it is possible to …
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Prospective environmental assessment of reprocessing …
reprocessing may save from 25 up to 930 kg CO2-eq per tonne of treated copper tailings. Potential environmental benefits depend on the reprocessing routes, technology …
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Feasibility of re-processing mine tailings to obtain critical …
The methodology presented in this study was validated using copper tailings of northern Chile as a case study. The geochemical content of tailings may vary from one geographical area to another depending on the type of mineral deposits. ... Tailings reprocessing from Cabeço do Pião dam in Central Portugal: a kinetic …
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Geochemistry of a copper mine tailings deposit in Repparfjorden
This study investigates copper ore tailings deposited in Repparfjorden, Norway in the 1970's. Bathymetric show that the tailings deposit still occurs as a series of cone-shapes and has retained its original shape for four decades. Analytical data of 51 chemical elements show that some of the tailings are spreading, affecting fjord surface ...
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Turning the Tide on Tailings: Creating Opportunities Rather …
The tailings storage facility at BHP's ndida copper mine in Chile. (Photo: BHP) ... are also reprocessing their tailings with high commodity grades to extract residual metals, including copper and platinum. And Anglo American's Hydraulic Dewatered Stacking (HDS) project (more on this later) seeks a holistic approach, using tailings as a ...
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(PDF) Prospective environmental assessment of reprocessing …
Cu in tailings vs. ratio of reprocessing to metal-only credits (route B without valorization). MDP, human toxicity, and freshwater ecotoxicity are hardly visible due to low values below 5%.
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