2021.11.9 While Freeport-McMoRan touts sustainability practices and other measures taken to reduce the company’s own greenhouse gas emissions, there’s little
Charlar en Línea2022.3.22 Copper is an industrially important metal that has been utilized by humankind for millennia for numerous products. Like all mining sectors, methods for
Charlar en Línea2021.11.1 This LCA model has been developed further to analyze the comparative environmental impacts from six different underground copper mine sites from a wide
Charlar en Línea2023.5.8 Projections from the International Energy Agency (IEA) suggest that by 2040 the demand for copper could more than double, while the demand for lithium could
Charlar en Línea2022.7.11 Introduction Copper is popularly used in the manufacture of electronic equipment, wiring, alloys as well as building materials (Beylot and Villeneuve 2015 ),
Charlar en Línea2022.6.27 Production of green bricks from low-reactive copper mine tailings: Durability and environmental aspects. In response to the net-zero emissions plan for
Charlar en Línea2020.12.17 The World Bank-funded $65.6 million Zambia Mining and Environmental Remediation and Improvement Project (ZMERIP), aims to reduce environmental health
Charlar en Línea2022.7.4 Understanding the level of heavy metal contamination coupled with the assessment of environmental and human risks associated with mine waste dumpsites
Charlar en Línea2021.7.21 The mining giant has committed to a multi-million dollar “environmental and human rights impact assessment” of its former copper and gold mine in Panguna, which was the flashpoint for...
Charlar en Línea2023.10.3 One company aiming to do just that is Sweden-based miner Bluelake Mineral. In the mountains of northern Norway, Bluelake is seeking to reopen the Joma mine that closed 25 years ago because of low ...
Charlar en Línea2021.11.9 Its price nearly doubled from 2019 to 2020 in the US. That’s partly because copper’s role in the transition to clean energy cannot be overstated. “We’re really going to have to re-engineer ...
Charlar en Línea2022.3.7 Over the last decade, AMD waters have gained more attention as a potential source of metals due to the emerging need to recover or recycle metals from secondary resources. Metals recovery supports sustainability and the development of a circular economy with benefits for resource conservation and the environment. In this
Charlar en Línea2023.5.16 There is a need to define mine tailings in a clear, precise, multidisciplinary, transdisciplinary, and holistic manner, considering not only geotechnical and hydraulic concepts but also integrating environmental and geochemical aspects with implications for the sustainability of mining. This article corresponds to an independent study that
Charlar en LíneaThe Chino open-pit copper mine in New Mexico Chalcopyrite specimen from Huarón mine, Peru. Copper extraction refers to the methods used to obtain copper from its ores.The conversion of copper ores consists of a series of physical, chemical and electrochemical processes. Methods have evolved and vary with country depending on the ore source,
Charlar en Línea2021.6.2 Mine tailing storage represents an important environmental issue. The generation and dispersal of dust from mine tailings can contaminate air and surrounding soils. In addition, metals and soluble salts present in these wastes could pollute groundwater and surface water. The recovery of metals from mine tailings can contribute to minimize
Charlar en Línea2022.4.13 Last year, the environmental campaign group Seas At Risk imagined a society in 2050 that had banned mining in 2020. Bereft of a constant supply of metals, the blueprint completely overhauls the ...
Charlar en Línea2021.4.7 The Panguna copper mine in Bougainville sparked a decade-long civil war. AAP Image/Ilya Gridneff What’s more, intensifying social and environmental impacts of copper mines could jeopardise the ...
Charlar en Línea2020.6.16 “Risks to tuna fisheries and other open ocean species would be greatly increased by mine waste released in surface layers as well as noise and light pollution from DSM [deep-sea mining ...
Charlar en Línea2018.4.30 The abandoned copper mine tailings in Musina (Limpopo province, South Africa) was investigated for particle size distribution, mineralogy, physicochemical properties using arrays of granulometric, X-ray ... A comparison of several extracting solutions. Environmental Pollution, 147, 713–722. Article CAS Google Scholar ...
Charlar en Línea2017.12.21 Copper mine tailings pose many threats to the surrounding environment and human health, and thus, their remediation is fundamental. Coal spoil is the waste by-product of coal mining and characterized by low levels of metals, high content of organic matter, and many essential microelements. This study was designed to evaluate the role
Charlar en Línea2023.5.16 (a) Panoramic view of mine tailings beach in Ite Bay, (b) presence of copper in mine tailings, (c) Ite Bay beach with mine tailings with impacted ecosystems, and (d) mine tailings with oxidation. In the 1990s, a series of environmental regulations were promulgated which prohibited the discharge of mine tailings into rivers and their disposal
Charlar en Línea2013.3.16 The removal of metallic contaminants can be very complex due to intricate variations in coordination properties. Chelation is a useful tool that can be engineered to be more specific to a series of metals. A chelant treatment package was developed for the successful removal of copper from a mine effluent where its discharge criterion was
Charlar en Línea2020.12.17 Interventions and Expected Results. The World Bank-funded $65.6 million Zambia Mining and Environmental Remediation and Improvement Project (ZMERIP), aims to reduce environmental health risks in critically polluted mining areas. The project specifically targets the communities living in Chingola, Kabwe, Kitwe and Mufulira
Charlar en Línea2021.8.24 The concentration of copper in the solution of mine tailings exceeded this criterion at all the investigated pH values (Figure 7a), while the iron concentration in solution exceeded this criterion at a low pH value of 2 (Figure 7b). The elution rate of copper and iron from the mine tailings was calculated to be 4.58% and 0.46% respectively.
Charlar en Línea2022.1.5 SANTIAGO, Jan 5 (Reuters) - BHP said it will adapt its Cerro Colorado copper mine in Chile to lessen the impact of a recent court ruling that prevents it from drawing water for its operations ...
Charlar en Línea2023.5.1 Environmental impacts of copper tailings reprocessing in the EU are quantified. ... Ore-sand: A Potential New Solution to the Mine Tailings and Global Sand Sustainability Crises: Final Report (2022), 10.14264/503a3fd. Google Scholar. Gregoir and Van Acker, 2022. L. Gregoir, K. Van Acker.
Charlar en Línea2021.4.21 During the late 1920s and early 1930s, Britannia Mine was considered the largest copper mine in the British Commonwealth, producing around 7,000 tons of ore per day.
Charlar en Línea2021.11.29 Rio Tinto’s proposed copper mine in Arizona has become the cause célèbre in a global trend of activism that threatens to derail the solution to climate change.
Charlar en Línea2021.6.2 Recovery of Zinc and Copper from Mine Tailings by Acid Leaching Solutions Combined with Carbon-Based Materials.pdf Available via license: CC BY 4.0 Content may be subject to copyright.
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