pyrite flotation paper

: Advances in depressants used for pyrite flotation
2022year8month4day · Pyrite is separated from other minerals mainly by flotation. However, the hydrophilicity of pyrite is affected by many factors, causing it to easily enter the
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: Flotation separation of chalcopyrite and pyrite via Fenton
2022year9month1day · The selective flotation separation of pyrite and chalcopyrite, and the comprehensive utilization of AMD play a vital role in the cleaner production of copper
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: Froth Flotation of Chalcopyrite/Pyrite Ore: A Critical Review
2022year9month21day · In the present work an intense bibliographic search is developed, with updated information on the microscopic fundamentals that govern the behavior of
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: Effect of lattice defects on the electronic structures and ...
The effect of the three types of lattice defects on the pyrite floatability was explored. The calculated results showed that the band-gaps of pyrites with Co-substitution and
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: ScienceDirect | Science, health and medical journals,
ScienceDirect | Science, health and medical journals, full text ...
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: Flotation behaviors of pyrites with different
2004year5month1day · The flotation behavior of pyrite with different collectors was investigated as a function of pH and the results are given in Fig. 2. The purified pyrite sample was floated well between pH 3 and 6 ...
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: Flotation behaviors of pyrites with different chemical
2004year5month1day · Microflotation tests, electrokinetic and electrochemical measurements were carried out to investigate the flotation behavior of pyrite samples taken from different
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: Flotation of Pyrite - Metallurgist & Mineral
2017year5month3day · Flotation of Pyrite. Table of Contents. This paper is a record of the first of a series of tests on sulfide minerals to be made by the metallurgical department of the University of California. The purpose of
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: (PDF) Froth flotation process and its application
2021year8month14day · The paper is about the froth flotation process and its application. It is a metallurgical process for the extraction of metals in a pure state from their ores:
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: Interface adsorption mechanism of the improved flotation
2021year11month15day · The pure pyrite sample were obtained from Haixi prefecture in Qinghai province, China. The results of element analysis is shown in Table 1, indicating the purity of pyrite is above 95% and bits of Al-Si minerals impurities in the samples.The samples were dry ground and wet screened to − 26 µm for micro flotation tests, and the particle size
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: The depression of pyrite in selective flotation by different
2016year10month1day · Introduction. Pyrite (FeS 2, iron disulfide), is the most abundant sulfide mineral and commonly associated with valuable minerals such as sphalerite, chalcopyrite, galena, gold as well as coal (Wang and Forssberg, 1991, Wang, 1995, Dimitrijevic et al., 1996, Jiang et al., 1998).Pyrite has very low economic significance and is usually
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: Recovery of pyrite from copper tailings by flotation
2019year9month1day · The pyrite grade in the fresh tailing sample and in the flotation product was determined indirectly from the content sulfur, copper and iron. Calculations carried out considering the elemental chemical composition presented in Table 1 and the mineralogical species that contained sulfur, identified by the XRD analysis, allowed to determine that
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: Frontiers | Effect of Grinding Media on Grinding-Flotation
Grinding media have significant influence on the flotation of chalcopyrite and pyrite. This effect is mainly related to the change in the surface properties of chalcopyrite and pyrite. This paper investigates the influence of steel ball and nano-ceramic ball grinding on the floatability of chalcopyrite and pyrite. Flotation results, as well-scanning electron
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: Role of Montmorillonite, Kaolinite, or Illite in Pyrite
2020year9month15day · Flotation tests suggested that the detrimental effect of clay minerals on the flotation of pyrite increased as follows: montmorillonite > kaolinite > illite. With the help of rheology measurements, it was found that montmorillonite significantly increased pulp viscosity, which in turn substantially reduced pyrite recovery and grade.
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: Resource Utilization of Acid Mine Drainage (AMD): A Review
2022year8month1day · The application of AMD in beneficiation fields, such as activating pyrite and chalcopyrite flotation, regulating pulp pH, and leaching copper-bearing waste rock, provides easy access to the innovative utilization of AMD. ... A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an ...
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: Characterization of structure-function properties relevant
2023year3month22day · Starches can adsorb on and depress copper-activated pyrite desirably during flotation, an important process in ore mineral extraction. In order to dev
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: Role of Montmorillonite, Kaolinite, or Illite in Pyrite
2020year8month19day · It is widely acknowledged that clay minerals have detrimental effects on the process of flotation, but the mechanisms involved are still not fully understood. In this work, the effects of montmorillonite, kaolinite, and illite on pyrite flotation were investigated from the perspective of various structures of clay minerals. Flotation tests suggested that
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: The Adsorption of Cu Species onto Pyrite Surface and Its
2015year10month12day · Figure 1 shows that pyrite exhibits good flotation performance at pH range of 4 to 9 when in the absence of CuSO 4, and as much as 80% of the pyrite can be floated.But at a pH range of 9 to 12, pyrite is depressed and the recovery decreases significantly with the increase in pH. The decrease in recovery is attributed to the
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: ScienceDirect | Science, health and medical journals,
ScienceDirect | Science, health and medical journals, full text ...
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: Advances in depressants used for pyrite flotation
2022year8month4day · Pyrite is separated from other minerals mainly by flotation. However, the hydrophilicity of pyrite is affected by many factors, causing it to easily enter the concentrate and consequently reduce the quality of concentrate. Highly efficient pyrite depressants can be selectively adsorbed on the surface of pyrite to improve its hydrophilicity, thereby
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: The depression of pyrite in selective flotation by different
2016year10month1day · Introduction. Pyrite (FeS 2, iron disulfide), is the most abundant sulfide mineral and commonly associated with valuable minerals such as sphalerite, chalcopyrite, galena, gold as well as coal (Wang and Forssberg, 1991, Wang, 1995, Dimitrijevic et al., 1996, Jiang et al., 1998).Pyrite has very low economic significance and is usually
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: Selectively Depress Copper-Activated Pyrite in Copper
2021year1month26day · Pyrite depression in the flotation of copper ores is difficult due to the activation of Cu2+ ions on pyrite surface. In this study, the radical chain reaction involving the redox cycling of Cu(I/II) induced by sodium metabisulphite (MBS) was exploited to selectively depress the flotation of copper-activated pyrite at pH 8.0. Electrochemical
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: Recovery of pyrite from copper tailings by flotation
2019year9month1day · The pyrite grade in the fresh tailing sample and in the flotation product was determined indirectly from the content sulfur, copper and iron. Calculations carried out considering the elemental chemical composition presented in Table 1 and the mineralogical species that contained sulfur, identified by the XRD analysis, allowed to determine that
Read More

: Role of Montmorillonite, Kaolinite, or Illite in Pyrite
2020year9month15day · Flotation tests suggested that the detrimental effect of clay minerals on the flotation of pyrite increased as follows: montmorillonite > kaolinite > illite. With the help of rheology measurements, it was found that montmorillonite significantly increased pulp viscosity, which in turn substantially reduced pyrite recovery and grade.
Read More

: An Insight into Flotation Chemistry of Pyrite
2018year4month19day · The flotation chemistry between pyrite and isomeric xanthates (butyl xanthate and isobutyl xanthate) was investigated by means of adsorption experiments, surface tension tests, and molecular dynamic
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: Characterization of structure-function properties relevant
2023year3month22day · Starches can adsorb on and depress copper-activated pyrite desirably during flotation, an important process in ore mineral extraction. In order to dev
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: Effect of Physisorption of Collecting Agent on Flotation of
2022year9month19day · Abstract Flotation of pyrite is examined as function of pH and ferrous ion concentration. To explain depression of pyrite flotation in the neutral pH range and at high concentration of ferrous ions, the mechanism of physisorption of a collecting agent is used. It is experimentally determined that interaction products of xanthate and ferrous ions
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: Atomic reconstruction and oxygen adsorption behavior of
The analysis of the surface chemical behavior of pyrite is highly crucial in the fields of environmental conservation, metal extraction, and flotation separation. In this paper, the mechanism of atomic reconstruction on the pyrite surface and the adsorption behavior of O 2 on a reconstructed surface are calculated by density functional theory ...
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: Minerals | Free Full-Text | A Novel Method to
2018year12month10day · A novel method to limit the adverse effect of fine serpentine on the flotation of pyrite was investigated in this paper. The flotation results showed that coarser serpentine possessed a weaker
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