Journal ArticleDOI
Use of sodium sulfosalicylate as an activator in hemimorphite sulfidation xanthate flotation
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TLDR
In this article , the effects of sodium sulfosalicylate activation and sodium sulfide sulfidation on hemimorphite flotation were studied, and the results showed that sulfosalicylic acid ions helped form more zinc sulfide on the mineral surface.About:
This article is published in Colloids and Surfaces A: Physicochemical and Engineering Aspects.The article was published on 2022-02-01. It has received 4 citations till now. The article focuses on the topics: Sulfidation & Chemistry.read more
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A novel method for improving sulfidization xanthate flotation of malachite: Copper–ammonium synergistic activation
TL;DR: In this paper , copper ions and ammonium salts were used as activators to modify the malachite surface, which improved its reactivity and improved the sulfidization and hydrophobicity of the mineral surface.
Journal ArticleDOI
Sodium sulfosalicylate activation mechanism on sulfidation flotation of smithsonite using dodecylamine as a collector
TL;DR: In this paper , the sulfidation-dodecylamine flotation effects of smithsonite using sodium sulfosalicylate activation were investigated by micro-flotation, atomic force microscopy (AFM), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), time-of-flight secondary ion mass spectrometry (ToF-SIMS), and fourier transform infrared spectrometer (FTIR).
Journal ArticleDOI
Selective flotation separation of hemimorphite from quartz using the biosurfactant sodium N-lauroylsarcosinate as a novel collector
TL;DR: In this paper , the authors used the biosurfactant sodium N-lauroylsarcosinate (LS) to improve the efficiency of recovery of hemimorphite from quartz by flotation.
Journal ArticleDOI
Leaching Kinetics of Hemimorphite with 5-Sulfosalicylic Acid
TL;DR: In this article , a shrinkage nucleus model was used to describe the surface chemistry of leaching and the activation energy of hemimorphite by 5-sulfosalicylic acid in the leaching process was determined as 55.244 kJ/mol.
References
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Journal ArticleDOI
Status of the three-phase line tension: a review
Alidad Amirfazli,A. W. Neumann +1 more
TL;DR: While the interface displacement model appears to have brought about consensus with respect to certain aspects of line tension behavior near wetting, this model maybe still too phenomenological to be satisfactory from a more fundamental standing.
Journal ArticleDOI
Treatment of oil-in-water emulsions by coagulation and dissolved-air flotation
TL;DR: In this paper, the effect of several parameters on flotation efficiency for separation of the emulsified oil was examined, namely, the presence of the nonionic surfactant Tween 80, used for the stabilisation of emulsions, the initial pH value, the concentration of chemical additives, such as polyelectrolytes (organic flocculants of cationic or anionic type) or ferric chloride (inorganic coagulant), and the concentrations of sodium oleate (used as flotation collector) and the recycle ratio.
Journal ArticleDOI
A shrinking particle - shrinking core model for leaching of a zinc ore containing silica
TL;DR: In this article, a mathematical model was developed for leaching of zinc ores containing silicates such as hemimorphite which produce a gel during leaching with sulfuric acid.
Journal ArticleDOI
The proximity effect on semiconducting mineral surfaces: a new aspect of mineral surface reactivity and surface complexation theory?
TL;DR: The surface proximity effect can be manifested in different ways, although the principle is the same as discussed by the authors, whereby the chemical reaction of one surface site influences the electronic structure and reactivity of neighboring or nearby sites.
Journal ArticleDOI
Insights into the mechanism of ethanol formation from syngas on Cu and an expanded prediction of improved Cu-based catalyst
TL;DR: In this paper, the thermochemistry and activation barriers for all possible elementary steps involved in ethanol formation from syngas on Cu catalyst have been systematically investigated, and an extended prediction for the selective modification of Cu-based catalyst has been proposed to improve catalytic performance toward ethanol formation.
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