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Article
Thermodynamic theory of flotation for a complex multiphase solid–liquid system and high-entropy flotation
The flotation of complex solid–liquid multiphase systems involve interactions among multiple components, the core problem facing flotation theory. Meanwhile, the combined use of multicomponent flotation reagen...
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Article
Advances in depressants for flotation separation of Cu-Fe sulfide minerals at low alkalinity: A critical review
The flotation separation of Cu-Fe sulfide minerals at low alkalinity can be achieved using selective depressants. In the flotation system of Cu-Fe sulfide minerals, depressants usually preferentially interact ...
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Article
Effect of dissolved components of malachite and calcite on surface properties and flotation behavior
In general, malachite is recovered via sulfidization–xanthate flotation, although many unsatisfactory flotation indexes are frequently obtained as a result of the presence of associated calcite. This phenomeno...
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Article
Activation mechanism of ammonium oxalate with pyrite in the lime system and its response to flotation separation of pyrite from arsenopyrite
The activation properties of ammonium oxalate on the flotation of pyrite and arsenopyrite in the lime system were studied in this work. Single mineral flotation tests showed that the ammonium oxalate strongly ...
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Article
Enhanced sulfidization of azurite surfaces by ammonium phosphate and its effect on flotation
Although azurite is one of the most important copper oxide minerals, the recovery of this mineral via sulfidization-xanthate flotation is typically unsatisfactory. The present work demonstrated the enhanced su...
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Article
Utilization of DTAB as a collector for the reverse flotation separation of quartz from fluorapatite
Reverse flotation desilication is an indispensable step for obtaining high-grade fluorapatite. In this work, dodecyltrimethylammonium bromide (DTAB) is recommended as an efficient collector for the reverse flo...
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Article
Adsorption Characteristics of Starch Digested with Alkali on Fine Hematite Particles
In this paper, the influence of alkali on the flocculation of starch on fine hematite was investigated through a series of tests, like turbidities, paste titration, adsorption, conductance, scanning electron m...
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Article
Open AccessEnhanced sulfidation xanthate flotation of malachite using ammonium ions as activator
In this study, ammonium ion was used to enhance the sulfidation flotation of malachite. The effect of ammonium ion on the sulfidation flotation of malachite was investigated using microflotation test, inductiv...
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Chapter and Conference Paper
Effect of Ethylenediamine on Smithsonite Flotation
Smithsonite, a typical zinc oxide mineral, has been developed for many years as an alternative source. However, restricted to inferior ability of floating, zinc oxide is one well-known refractory mineral with ...
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Article
Dissolution regularities of smithsonite in methane sulfonic acid
Methane sulfonic acid (MSA) was proposed as a clean and efficient leaching agent to extract zinc from smithsonite. Experimental variables such as acid concentration, reaction temperature, particle size, and st...
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Article
Leaching characteristics and mechanism of copper flotation tailings in sulfuric acid solution
The copper deposit in Yangla zone of China is large, and its recovery is low only using flotation process. Therefore, the copper in the flotation tailings is leached by sulfuric acid can improve copper recover...
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Article
Dynamic Simulation of the Thermal Decomposition of Pyrite Under Vacuum
The ultrasoft pseudopotential plane wave method is applied to dynamic simulation of the thermal decomposition mechanism of FeS2 under vacuum. The FeS2 (100), (111), and (210) surface relaxation and the geometric ...
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Article
Beneficiation of a low-grade, hematite-magnetite ore in China
In China, most reserves of rich iron ores have now been depleted and sustainable development of low-grade iron ores has become a critical discussion topic in the mining industry today. The aim of this study wa...
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Article
Preparation of novel magnetic fluorescent microspheres from copperas and fluorescence enhancement with zinc ions
The aim of this study is to develop a new method for the preparation of Fe3O4@SiO2–An NPs from copperas. The core–shell structures of the nanoparticles and chemical composition have been confirmed by TEM, XRD and...
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Article
Discovery of a new source of unavoidable ions in pyrite aqueous solutions
The release of fluid inclusions has a strong potential for the unintentional activation of pyrite during flotation. The present study aims to characterize fluid inclusions in a natural pure pyrite. The results...
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Article
Effects of sodium carbonate on the carbothermic reduction of siderite ore with high phosphorus content
Siderite ore with high phosphorus content was reduced isothermally at 1,050° C with pulverized coal and different dosages of sodium carbonate. X-ray diffraction (XRD), scanning electron microscopy (SEM) and en...
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Article
Mineralogy study on a low-grade Cu-Ni-PGM sulfide ore in **baoshan, China
The **baoshan serpentine complex is characterized by low grades Cu, Ni and platinum group metals (PGM), and little is known about the relative abundance of the valuable minerals and gangue. With the aid of mo...
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Article
Dissolubility and surface properties of a natural sphalerite in aqueous solution
The dissolubility of a natural sphalerite (ZnS) in the entire pH range was theoretically calculated, and its practical dissolution in an aqueous solution at different pH values in an inert environment, togethe...
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Article
Response surface methodology for optimization of copper leaching from a low-grade flotation middling
The study aims to leach copper from a low-grade flotation middling by optimizing the leaching process using response surface methodology. The effect of key parameters, i.e., sulfuric acid concentration, nitric...
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Article
Performance of a full-scale continuous centrifugal concentrator in reconcentrating fine hematite from tailings
The study aimed to evaluate the separation performance of a full-scale continuous centrifugal concentrator in the reconcentration of fine hematite from high-gradient magnetic separation (HGMS) concentrate in a...
