2021
DOI: 10.3390/min11080828
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The Role of Solar Energy (UV-VIS-NIR) as an Assistant for Sulfide Minerals Leaching and Its Potential Application for Metal Extraction

Abstract: The mining industry is facing emerging challenges as a result of the increase in energy consumption and environmental demands. These facts have promoted the use of renewable energy sources, such as wind, geothermal and, mainly, solar energy. This paper discusses the role of solar energy (UV-VIS-NIR) in leaching processes, evaluating its potential application in metal extraction from sulfide minerals, based on photochemical mechanisms that promote the regeneration of ferric iron or the so called ferrous iron cy… Show more

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Cited by 3 publications
(2 citation statements)
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References 87 publications
(101 reference statements)
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“…EMSURE ® ISO) was provided by Merck, New Jersey, USA. S2O8 2− It is also important to mention that coincidentally, in specific regions of the copper industry (Chile, Perú, and Australia), the average irradiance level exceeds the established threshold of 2000 kWh m −2 per year [7]. This condition indicates that these regions may be optimal for solar energy production, enabling us to reduce our reliance on non-renewable energy sources.…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…EMSURE ® ISO) was provided by Merck, New Jersey, USA. S2O8 2− It is also important to mention that coincidentally, in specific regions of the copper industry (Chile, Perú, and Australia), the average irradiance level exceeds the established threshold of 2000 kWh m −2 per year [7]. This condition indicates that these regions may be optimal for solar energy production, enabling us to reduce our reliance on non-renewable energy sources.…”
Section: Methodsmentioning
confidence: 99%
“…From an economic perspective, the reported capital cost of a hydrometallurgy plant with a capacity ranging from 40,000 to 200,000 metric tons per year is between USD 400 and USD 5000 per ton of copper cathode [5]. It is also important to mention that coincidentally, in specific regions of the copper industry (Chile, Perú, and Australia), the average irradiance level exceeds the established threshold of 2000 kWh m −2 per year [7]. This condition indicates that these regions may be optimal for solar energy production, enabling us to reduce our reliance on non-renewable energy sources.…”
Section: Introduction To Metallurgy Of Copper Sulfidesmentioning
confidence: 99%