Journal ArticleDOI
Electrochemical mechanism and flotation of chalcopyrite and galena in the presence of sodium silicate and sodium sulfite
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TLDR
In this paper, the electrochemical mechanism involved in the selective separation of chalcopyrite from galena was investigated by flotation and electrochemical methods in the presence of sodium sulfite and sodium silicate, respectively, as a single depressant and their mixture as a combined depressant.About:
This article is published in Transactions of Nonferrous Metals Society of China.The article was published on 2020-04-01. It has received 20 citations till now. The article focuses on the topics: Sodium sulfite & Depressant.read more
Citations
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Current Status of the Effect of Seawater Ions on Copper Flotation: Difficulties, Opportunities, and Industrial Experience
TL;DR: The limited availability of conventional water resources and inefficient water management has resulted in seawater use in the flotation process of copper sulfide ores at several concentrator plants as discussed by the authors.
Journal ArticleDOI
Mechanical activation of siliceous tailings and its application as cement admixtures
TL;DR: In this paper , the authors applied the mechanical activation method for improving the pozzolanic activity of siliceous tailings, and the activated tailings were used as admixtures in cement production.
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A reagent scheme for galena/sphalerite flotation separation: Insights from first-principles calculations
TL;DR: In this article, a reagent scheme comprising aerofloat collectors and Zn2+ and SO32− depressants is developed for the flotation separation of galena from sphalerite-rich sulphide ore.
References
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Journal ArticleDOI
The surface oxidation of pyrite
A.N. Buckley,Ronald Woods +1 more
TL;DR: The surface oxidation of pyrite in air-saturated acid solutions resulted in the formation of a surface sulfur layer the extent and nature of which depended on solution composition and exposure time.
Journal ArticleDOI
Effect of oxidation on the collectorless flotation of chalcopyrite
TL;DR: In this paper, the effects of conditioning gas and pH on the collectorless flotation of chalcopyrite have been studied, and it has been shown that metal dissolution and precipitation of these metal hydroxide species may control the surface hydrophobicity.
Journal ArticleDOI
Membrane technologies for Li+/Mg2+ separation from salt-lake brines and seawater: A comprehensive review
TL;DR: In this paper, the authors reviewed the latest advances in various membrane technologies, including nanofiltration membrane, electrodialysis, membrane capacitive deionization approaches, solid electrolyte electrolysis-based technology, etc.
Journal ArticleDOI
Systematic review of lithium extraction from salt-lake brines via precipitation approaches
TL;DR: In this article, a review of the precipitation technology for lithium extraction and the relative mechanism proposed in literature to identify its important parameters are presented, such as dosage, pH value, temperature, and particle size of precipitate.
Journal ArticleDOI
Electrochemical oxidation of pyrite (FeS2) in aqueous electrolytes
TL;DR: In this paper, it was shown that when pyrite is polarised in the potential region of −0.35 to 0.25 V versus SCE in 1 M HCl at sweep rates ≥ 30 mV s−1, the redox process is reversible electrochemical adsorption/desorption.
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