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Abstract: With the increasing of proportion of refractory gold ore and public’s attention to environmental issues，the cyanide process has been severely constrained by both technology and environmental protection.The use of non-cyanide process for the extraction of gold and silver is an inevitable trend.Over the past decades，there were ...
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2022621 · tailings gold recovery by cyanide leaching from future ores by diego medina
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202361 · Cyanide detoxification and iron mineral recycle of cyanide tailings by the sustainable utilization technology of oxidation-reduction roasting: Process optimization and mechanism study Author links open overlay panel Bing Zhao a b c , Lingbo Zhao a b c , Peng Gao a b c , Yuexin Han a b c , Yanjun Li a b c , Zaizheng Dong a b c , Yan Song a …
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202384 · The resource utilization of cyanide tailings has significant environmental and economic benefits. The efficient recovery of gold from low-grade cyanide tailings containing 1.71 g/t Au was performed by a chlorination roasting–flotation process. The effects of roasting temperature, calcium chloride, internal coke, external coke, copper sulfide …
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2008328 · A mixture of chloride and bromide lixiviants is used to improve the stability of the gold complex. The process also involves the generation of Cu and Fe chloride redox couples at the anode of the cell, which enhance the leaching of sulphide and other refractory minerals in the anode compartment.
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202361 · The cyanide tailings sample used in this study was supplied by Liaoning Xindu Gold Smelter, China, which was derived from the oxidation roasting, grinding and cyanide leaching process of arsenic-bearing refractory gold ore.
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2016315 · The Jig, placed between the ball mill and classifier, is one of the most valuable and affordable improvements in cyanidation in recent years and was developed by the metallurgical engineering and Mining Equipment Companies. This Mineral Jig has the marked advantage of removing a large portion of the metallic values without excessive …
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20081031 · This research is aimed at investigating possible neutralization of cyanide in tailing dam of Muteh gold processing plant in Isfahan, Iran at various conditions such as pH and temperature using USEPA Visual MINTEQ geochemical model simulation. The model is based on geochemical equilibrium which uses the simultaneous solution of the …
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2022127 · The interface characteristics of cyanide tailings are different from those of the raw ore. In this study, valuable elements could not be thoroughly recovered via the flotation of cyanide tailings from Shandong, China. The interface and floatability of these tailings were investigated by phase analysis and flotation tests. The chalcopyrite in the …
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20051231 · Cyanide tends to react readily with most other chemical elements, producing a wide variety of toxic, cyanide related compounds. This research was aimed at investigating a feasible and economical technique for the detoxification of cyanide from the tailing effluent of Muteh gold mine in Isfahan, Iran.
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