Results 1 to 10 of about 389,354 (362)
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +2 more sources
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Leaching of High Arsenic Content Dust and a New Process for the Preparation of Copper Arsenate [PDF]
Archives 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
Recovery of Barium Ions from a Barium Residue in Guizhou by Hydrochloric Acid Leaching
Kuangchan zonghe liyong, 2023 A large amount of barium slag accumulation will cause great harm to the environment. The use of hydrochloric acid leaching for barium residue can effectively recover the residual soluble barium salt in the barium residue and greatly reduce the harm of ...
Dewei Li +4 more
doaj +1 more source