Results 1 to 10 of about 65,980 (242)

Experimental Study on the Dressing and Smelting of a Pyrrhotite-bearing Primary Gold Ore [PDF]

open access: yesE3S 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
doaj   +1 more source

Application of Bio-Oxidation in Leaching of a Low-Grade Primary Gold Ore in Inner Mongolia

open access: yesKuangchan 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
doaj   +1 more source

Experimental Study on Cyanidation Leaching of a Low-grade Gold Mine in Guangxi

open access: yesKuangchan 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
doaj   +1 more source

Selective Pre-leaching of Tellurium From Telluride-Type Gold Concentrate

open access: yesFrontiers 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
doaj   +1 more source

Mineral Composition and Full-Scale Pore Structure of Qianjiadian Sandstone-Type Uranium Deposits: Application for In Situ Leaching Mining

open access: yesGeofluids, 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
doaj   +1 more source

Influence of surfactant on the permeability at different positions of a leaching column.

open access: yesPLoS 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
doaj   +2 more sources

Study on vibratory leaching behavior and damage evolution of cement stabilized macadam (CSM)

open access: yesCase 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
doaj   +1 more source

Study on Influencing Factors of Leaching Process of High-iron Zinc Calcine

open access: yesKuangchan 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
doaj   +1 more source

Effect of surfactant addition on leaching process of weathered crust elution-deposited rare earth ores with magnesium sulfate

open access: yesInternational Journal of Mining Science and Technology, 2023
Surfactants were proposed to be added into magnesium sulfate solution to improve the leaching process of weathered crust elution-deposited rare earth ores (WREOs).
Fang Zhou   +4 more
doaj   +1 more source

Leaching of High Arsenic Content Dust and a New Process for the Preparation of Copper Arsenate [PDF]

open access: yesArchives of Metallurgy and Materials, 2018
In this research, the high arsenic content dust of copper smelting, as a raw material, the extraction of copper and arsenic from the high arsenic content dust in the leaching system containing acidic and alkaline compounds was investigated.
W. Sheng, Y.-Y. Shen, Z. Sheng-Quan
doaj   +1 more source

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