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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
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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
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Experimental Study on Efficient Recovery of High-Grade Sulfide Ore [PDF]
E3S Web of Conferences, 2023 A gold mine is a typical broken zone altered rock type gold deposit, with some high grade primary sulfide ore at 20~30m from the surface, and the ore grade is about 5g/t.
Li Guangsheng +4 more
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Study on the Influence of Underground Filling Body on Flotation Index of Beneficiation in Gold Mine [PDF]
E3S Web of Conferences, 2023 The processing capacity of a gold concentrator in Shandong mine is 10000 t/d, and the production process of one-stage grinding + one roughing, two sweeping and one finishing is adopted. The grinding fineness is 50%-55% of -200 mesh content, the flotation
Zhang Xiaoguang +3 more
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Advances in Civil Engineering, 2023 In order to solve the problem that the broken rock mass is easy to collapse and fall during the excavation of a submarine gold mine, two kinds of bolt-mesh-concreting combined support schemes are designed by means of field engineering geological ...
Yu-yun Fan +6 more
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Distribution of In Situ Stress in Northwest Jiaodong Peninsula
Advances in Civil Engineering, 2022 In order to study the present state of the tectonic stress field in northwest Jiaodong Peninsula, the characteristics of the ground stress distribution along depth were analyzed with the method of regression analysis.
Xingquan Liu +6 more
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Geofluids, 2023 As the heat hazard problem in the deep mine becomes more prominent, it is difficult to alleviate the high-temperature problem by increasing the air supply and adjusting the ventilation mode alone.
Chunlong Wang +7 more
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Recovery of Copper and Cyanide from Copper-cyanide Solution by Direct Electrolysis [PDF]
E3S Web of Conferences, 2021 Using direct electrolysis method, the recovery of copper and cyanide from high concentration copper cyanide solution was researched. The distribution of copper cyanide species was calculated by stability constants and balance equation. The results showed
Gao Teng-Yue, Xu Chao, Qin Guang-Lin
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