gold mine tailings treatment in nigeria
Heavy Metal Pollution from Gold Mines: Environmental ...
2016-10-26 · Environmental pollution from gold mines is associated mainly with the release of harmful elements from the tailings and other mine wastes. The infiltration of water through sulphide- containing tailings piles and ponds, surface and underground workings, waste and development rock leads to leaching of large volumes of metals like Zn 2+ , Ni 2 ...
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Minerals | Free Full-Text | Gold Mine Tailings: A ...
Mining of minerals such as gold, copper, and platinum has been one of several activities sustaining the economy of South Africa. However, the mining sector has contributed significantly to environmental contamination through the improper disposal of mine tailings which covers vast areas of land. Therefore, this study utilised a vitrification process to manufacture glass from
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Characterization and treatment of artisanal gold mine
The solid waste generated by artisanal gold mining, with high mercury and gold contents, can be found in several areas in the South America. The present study focused on the tailings of an artisanal gold mine area located in the Brazilian northeastern. Samples of the mine tailings were taken and use
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TREATING CHROME TAILINGS FOR PGMs -
2008-8-19 · Its operations are focused on the treatment of Samancor’s chrome tailings dumps on the Western and Eastern limbs of the Bushveld complex. The Samancor dump operations contain about 500,000 ounces of PGMs at an estimated average non JORC compliant grade of 2.6 g/t. Sylvania director Zoran Marinkovic explains that it is not economically viable to convert its
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The Impact of Mine Tailings on the Witwatersrand and the ...
2017-6-24 · The gross alpha and beta activity in treated water from one of the numerous gold mines in Gauteng province averaged 1.15 ± 0.13 and 0.87 ± 0.11 Bq L−1, respectively. The average readings of the fissure water from the same mine were 0.56 ± 0.10 and 0.52 ± 0.11 Bq L−1, respectively. Water samples collected at the foot of the Princess gold mine tailings dump
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Re-Processing Gold Tailings in South Africa
historic gold tailings dams in the Witwatersrand area of South Africa is being investigated. The objective is to recover uranium and residual gold from the tailings, as well as to oxidize the sulphides to eliminate long term environmental liabilities associated with acid mine drainage. The tailings from the re-processing plant will be re-
Read More
Characterization and treatment of artisanal gold mine
The present study focused on the tailings of an artisanal gold mine area located in the Brazilian northeastern. Samples of the mine tailings were taken and used to perform a physical and chemical characterization study using X-ray diffraction, scanning electron microscopy, neutron activation, X-ray fluorescence, induced coupled plasma-mass ...
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Recovering Cyanide From Gold Plant Tailings
of the general public for the gold mining industry, due to several highly . publicized cyanide spills in recent years (breaches of tailings dams, accidents involving trucks carrying cyanide to gold plants, etc.). The cost of recovering and recycling cyanide from tailings will generally . be lower than the cost of purchasing new cyanide.
Read More
Characterization and treatment of artisanal gold mine
The solid waste generated by artisanal gold mining, with high mercury and gold contents, can be found in several areas in the South America. The present study focused on the tailings of an artisanal gold mine area located in the Brazilian northeastern. Samples of the mine tailings were taken and use
Read More
Minerals | Free Full-Text | Gold Mine Tailings: A ...
Mining of minerals such as gold, copper, and platinum has been one of several activities sustaining the economy of South Africa. However, the mining sector has contributed significantly to environmental contamination through the improper disposal of mine tailings which covers vast areas of land. Therefore, this study utilised a vitrification process to manufacture glass from
Read More
Gold Tailings & The Environment | Pan African
2020-12-3 · Gold Tailings & The Environment. Owing to its gold mining heritage, Johannesburg is the most radioactive city on the planet, says nonprofit organisation Earthlife Africa. Uranium was considered “merely a waste product” in the late
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Evaluation of Arsenic Leaching Potential in Gold Mine ...
2019-12-12 · Evaluation of Arsenic Leaching Potential in Gold Mine Tailings Amended with Peat and Mine Drainage Treatment Sludge T. V. Rakotonimaro,* M. Guittonny, C. M. Neculita, F. Trépanier, and G. Pépin M inimizing potential environmental impacts is presently a pressing priority for the mining indus-try. In boreal regions, land, forest, water (surface
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TREATING CHROME TAILINGS FOR PGMs -
2008-8-19 · Its operations are focused on the treatment of Samancor’s chrome tailings dumps on the Western and Eastern limbs of the Bushveld complex. The Samancor dump operations contain about 500,000 ounces of PGMs at an estimated average non JORC compliant grade of 2.6 g/t. Sylvania director Zoran Marinkovic explains that it is not economically viable to convert its
Read More
The Impact of Mine Tailings on the Witwatersrand and the ...
2017-6-24 · The gross alpha and beta activity in treated water from one of the numerous gold mines in Gauteng province averaged 1.15 ± 0.13 and 0.87 ± 0.11 Bq L−1, respectively. The average readings of the fissure water from the same mine were 0.56 ± 0.10 and 0.52 ± 0.11 Bq L−1, respectively. Water samples collected at the foot of the Princess gold mine tailings dump
Read More
(PDF) Recovery of gold from the Mouteh Gold Mine
Reco very of gold from the Mouteh Gold Mine tailings dam. of samples taken was around 200 kg (5–7 kg from each. hole). The gold assay of the samples ranged from 0.6 to 2.3. g/t, with an average ...
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Re-Processing Gold Tailings in South Africa
historic gold tailings dams in the Witwatersrand area of South Africa is being investigated. The objective is to recover uranium and residual gold from the tailings, as well as to oxidize the sulphides to eliminate long term environmental liabilities associated with acid mine drainage. The tailings from the re-processing plant will be re-
Read More
Recovering Cyanide From Gold Plant Tailings
of the general public for the gold mining industry, due to several highly . publicized cyanide spills in recent years (breaches of tailings dams, accidents involving trucks carrying cyanide to gold plants, etc.). The cost of recovering and recycling cyanide from tailings will generally . be lower than the cost of purchasing new cyanide.
Read More
Biological Treatment of Tailings Solution at the Nickel ...
2020-7-24 · Biological Treatment of Tailings Solution at the Nickel Plate Mine Barry Given, B.Sc Sharon Meyer, M.Sc Barrick Gold Inc – Nickel Plate Mine. P.O. Box 788. Penticton, BC V2A 6Y7 Abstract During the closure of the Nickel Plate Mine, located in south central British Columbia, there was a need to remove
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TREATING CHROME TAILINGS FOR PGMs -
2008-8-19 · Its operations are focused on the treatment of Samancor’s chrome tailings dumps on the Western and Eastern limbs of the Bushveld complex. The Samancor dump operations contain about 500,000 ounces of PGMs at an estimated average non JORC compliant grade of 2.6 g/t. Sylvania director Zoran Marinkovic explains that it is not economically viable to convert its
Read More
The Impact of Mine Tailings on the Witwatersrand and the ...
2017-6-24 · The gross alpha and beta activity in treated water from one of the numerous gold mines in Gauteng province averaged 1.15 ± 0.13 and 0.87 ± 0.11 Bq L−1, respectively. The average readings of the fissure water from the same mine were 0.56 ± 0.10 and 0.52 ± 0.11 Bq L−1, respectively. Water samples collected at the foot of the Princess gold mine tailings dump
Read More
Gold mine tailings dams are a high risk part of mining as ...
Gold mine tailings dams are a high risk part of mining as they contain hazardous materials such as cyanide, mercury and arsenic from processing operations which present a risk to the public and to the environment. When tailing dams fail, the impact is disastrous for humans and the natural environment. The International Commission on Large Dams ...
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(PDF) Recovery of gold from the Mouteh Gold Mine
Reco very of gold from the Mouteh Gold Mine tailings dam. of samples taken was around 200 kg (5–7 kg from each. hole). The gold assay of the samples ranged from 0.6 to 2.3. g/t, with an average ...
Read More
Tailings Retreatment: The Next Revenue Source for the ...
In 2014, a tailings dam at the Mount Polley copper and gold mine in British Columbia failed as a result of an unstable foundation, sending 24 million cubic metres of slurry into the surrounding waterways. A year later, the Samarco mine’s tailings dam failed as a result of seismic activity combined with structural defects and other issues.
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Physico-chemical Characteristics of a Gold Mining Tailings ...
The physical and chemical qualities of the process effluent and the tailings dam wastewater of AngloGold-Ashanti Limited, a gold mining company in Ghana, were studied from June to September, 2010.
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Process effluents and mine tailings: sources, effects and ...
2016-12-19 · 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
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Gold Tailings Reprocessing Technology - xinhaiepc
2. A tailings pond in North Korea stored more than 10 million tonnes of gold tailings. The average gold grade of the tailings is 1g/t. The recoverable valuable element is mainly gold, with little other kinds of harmful elements. There is no hidden
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Decomposition of Cyanide from Gold Leaching Tailingsby ...
Cyanidation is widely used by most gold mine worldwide and will remain prevail in years (or decades) to come, while cyanide is hazardous, toxic pollutants whose presence in wastewater and tailings can seriously affect human and its environment; hence, it is necessary to control these contaminants. The purpose of this study was to examine the effects through the
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Biological Treatment of Tailings Solution at the Nickel ...
2020-7-24 · Biological Treatment of Tailings Solution at the Nickel Plate Mine Barry Given, B.Sc Sharon Meyer, M.Sc Barrick Gold Inc – Nickel Plate Mine. P.O. Box 788. Penticton, BC V2A 6Y7 Abstract During the closure of the Nickel Plate Mine, located in south central British Columbia, there was a need to remove
Read More