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Experimental Study on the Dressing and Smelting of a Pyrrhotite-bearing Primary Gold Ore [PDF]
E3S Web of Conferences, 2023 The content of pyrrhotite in a primary gold mine containing pyrrhotite is 0.68%. In the process of alkaline leaching pretreatment, there are problems such as large ore quantity and high alkali consumption.
Chen Yanbo, Wang Junjie
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Application of Bio-Oxidation in Leaching of a Low-Grade Primary Gold Ore in Inner Mongolia
Kuangchan zonghe liyong, 2022 Bio-oxidation leaching test was conducted on a low-grade primary gold mine in Inner Mongolia. The acid consumption of ore, cyanidation, bio-oxidation stirred leaching, column leaching, add sulfur and sulfur concentrate to reduce acid consumption , and ...
Yongzhang Jian
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Selective Pre-leaching of Tellurium From Telluride-Type Gold Concentrate
Frontiers in Chemistry, 2021 With a telluride-type gold ore flotation concentrate as the research object, the Na2S + NaOH collaborative leaching process was applied to selectively separate tellurium before the cyanide leaching of gold and silver.
Wei Yang +9 more
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Geofluids, 2022 In situ leaching (ISL) is becoming the main mining practice for sandstone-type uranium deposits in China. The key to ISL technology is to aid the leaching solution in contacting the ore bed over a large range, which will induce a series of chemical ...
Qizhi Wang +12 more
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Experimental Study on Cyanidation Leaching of a Low-grade Gold Mine in Guangxi
Kuangchan zonghe liyong, 2023 Gold content of a low-grade gold ore in Guangxi is 1.29 g/t, the gangue minerals are mainly quartz, and the content of non-ferrous metals such as copper, lead, zinc and other harmful elements arsenic is extremely low.
Linsong Yuan +5 more
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Study on vibratory leaching behavior and damage evolution of cement stabilized macadam (CSM)
Case Studies in Construction Materials, 2022 Leaching is one of the main causes of water damage to the highway base, which can aggravate under the vibrations of the highway load and substantially deteriorate the durability of highway.
Junlin Liang +6 more
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Influence of surfactant on the permeability at different positions of a leaching column.
PLoS ONE, 2022 To solve the problems of poor permeability and low leaching rate in ore heap leaching, solid surface physical chemistry, seepage mechanics theory for porous media, CT scanning and SEM were used to carry out column leaching tests with a homemade segmented
Ai Chun-Ming +4 more
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Study on Influencing Factors of Leaching Process of High-iron Zinc Calcine
Kuangchan zonghe liyong, 2023 Zinc calcine with high Fe content is leached with a large amount of Fe at the same time, which affects the subsequent operation. In order to solve this problem, the high iron zinc calcine of a company in Shaanxi was taken as the research object.
Zhiyu Wang, Jialin Guo, Yue He
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Molecules, 2023 The purpose of this work is to significantly improve the vanadium grade of vanadium-bearing shale after flotation preconcentration, which is conducive to reducing the acid consumption and industrial costs in the subsequently enhanced acid leaching of ...
Yue Tang, Guohua Ye, Qi Zuo
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Leaching of vanadium, potassium, and iron from spent catalyst of the manufacture of sulfuric acid
Journal of Materials Research and Technology, 2021 The sulfuric acid industry produces large volumes of spent catalyst containing vanadium. To develop an efficient method for vanadium recovery, hydrogen peroxide was used to oxidize sulfur in the spent catalyst, forming sulfuric acid, which, in turn ...
Liushun Wu +4 more
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