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Minor mining, major influence: Economic implications and policy challenges of artisanal gold mining
Resources PolicyMuhammad Umair
exaly
Experimental study on thiosulfate leaching of gold from a high copper gold concentrate [PDF]
E3S Web of Conferences, 2021 The conventional cyanide leaching process is used to extract gold from a high copper gold concentrate. Because the copper associated minerals consume sodium cyanide in large quantities, the cost of the reagents is high and the economic benefit is not ...
Yanbo Chen +10 more
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Study on Technological Process Innovation of Non-Cyanide Leaching [PDF]
E3S Web of Conferences, 2021 Nowadays, there are many gold leaching processes, and the dominant one is cyanidation, but the virulence of cyanidation seriously endangers the environment and human health. In order to reduce environmental pollution and improve the recovery rate of gold,
Chao Xu +10 more
doaj +1 more source
Research on the Increase of Mineral Dissociation Degree by High Pressure Water Jet [PDF]
E3S Web of Conferences, 2021 The traditional grinding technology of ball mill has many problems, such as high energy consumption, unable to maintain the original crystal shape, and it is difficult to obtain high quality and high purity ultrafine powder.
Cai Mingming +8 more
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Study on recovery of copper and zinc from cyanide lean solution in a smelting company [PDF]
E3S Web of Conferences, 2021 In the process of cyanidation of gold concentrate from a smelting company, the content of copper and zinc in the liquid gradually increased. In production, acidizing process is used to treat the lean solution from high copper concentrate, and mixed ...
Guanglin Qin +10 more
doaj +1 more source